[INFO] cloning repository https://github.com/julyfun/r0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julyfun/r0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulyfun%2Fr0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulyfun%2Fr0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5e425dd0d2ce259b36c67985f1d3debd61fe5c2
[INFO] checking julyfun/r0 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulyfun%2Fr0" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/julyfun/r0
[INFO] finished tweaking git repo https://github.com/julyfun/r0
[INFO] tweaked toml for git repo https://github.com/julyfun/r0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/julyfun/r0 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/julyfun/r0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.199
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded serde v1.0.199
[INFO] [stderr]   Downloaded syn v2.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d
[INFO] running `Command { std: "docker" "start" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking r0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.100.0
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, var_ast, box res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, deref!(var_ast), box res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, box var_ast, res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, box var_ast, deref!(res_ast)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 35 -         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout] 35 +         Prim1(op, e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 35 -         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout] 35 +         Prim1(op, deref!(e1)) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, e1, box e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, deref!(e1), box e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, box e1, e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, box e1, deref!(e2)) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, deref!(Var(x2_)), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, box Var(x2_), _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, box Var(x2_), deref!(_i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.100.0
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, deref!(Prim2(_add, box Var(x2_), box _i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         deref!(Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, Var(x1_), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, deref!(Var(x1_)), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, box Var(x1_), _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, box Var(x1_), deref!(_i3)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         deref!(Prim2(_add1, box Var(x1_), box _i3)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Prim1(op, box e) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 80 -         Prim1(op, box e) => {
[INFO] [stdout] 80 +         Prim1(op, e) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         Prim1(op, box e) => {
[INFO] [stdout] 80 +         Prim1(op, deref!(e)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Prim2(op, box e1, box e2) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, e1, box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, deref!(e1), box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, var_ast, box res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, deref!(var_ast), box res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Prim2(op, box e1, box e2) => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, box e1, e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, box e1, deref!(e2)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, box var_ast, res_ast) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 22 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 22 +         Let(var, box var_ast, deref!(res_ast)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, var_ast, box res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, deref!(var_ast), box res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 35 -         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout] 35 +         Prim1(op, e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 35 -         Prim1(op, box e1) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout] 35 +         Prim1(op, deref!(e1)) => Prim1(op, Box::new(uniqify_expr(e1, uniq_name_env))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:118:31
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, box var_ast, res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, box var_ast, deref!(res_ast)) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, e1, box e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, deref!(e1), box e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, box e1, e2) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 36 -         Prim2(op, box e1, box e2) => Prim2(
[INFO] [stdout] 36 +         Prim2(op, box e1, deref!(e2)) => Prim2(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, deref!(Var(x2_)), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, box Var(x2_), _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, box Prim2(_add, box Var(x2_), deref!(_i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         box Let(x2, _i1, deref!(Prim2(_add, box Var(x2_), box _i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         box Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2)),
[INFO] [stdout] 57 +         deref!(Let(x2, _i1, box Prim2(_add, box Var(x2_), box _i2))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, Var(x1_), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, deref!(Var(x1_)), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, box Var(x1_), _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         box Prim2(_add1, box Var(x1_), deref!(_i3)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         box Prim2(_add1, box Var(x1_), box _i3),
[INFO] [stdout] 58 +         deref!(Prim2(_add1, box Var(x1_), box _i3)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Prim1(op, box e) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 80 -         Prim1(op, box e) => {
[INFO] [stdout] 80 +         Prim1(op, e) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         Prim1(op, box e) => {
[INFO] [stdout] 80 +         Prim1(op, deref!(e)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Prim2(op, box e1, box e2) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, e1, box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, deref!(e1), box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/compiler.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Prim2(op, box e1, box e2) => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, box e1, e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         Prim2(op, box e1, box e2) => {
[INFO] [stdout] 94 +         Prim2(op, box e1, deref!(e2)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:143:23
[INFO] [stdout]     |
[INFO] [stdout] 143 |         box Prim1(op, box that_2),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         box Prim1(op, that_2),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         box Prim1(op, deref!(that_2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, var_ast, box res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, deref!(var_ast), box res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         box Prim1(op, box that_2),
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         Prim1(op, box that_2),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         deref!(Prim1(op, box that_2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:118:31
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, box var_ast, res_ast) => {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         Let(var, box var_ast, box res_ast) => {
[INFO] [stdout] 118 +         Let(var, box var_ast, deref!(res_ast)) => {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:28
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, that30, box that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, deref!(that30), box that10),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:143:23
[INFO] [stdout]     |
[INFO] [stdout] 143 |         box Prim1(op, box that_2),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         box Prim1(op, that_2),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         box Prim1(op, deref!(that_2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         box Prim1(op, box that_2),
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         Prim1(op, box that_2),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 143 -         box Prim1(op, box that_2),
[INFO] [stdout] 143 +         deref!(Prim1(op, box that_2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, box that30, that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, box that30, deref!(that10)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:28
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, that30, box that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, deref!(that30), box that10),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             Prim2(op2, box that30, box that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             deref!(Prim2(op2, box that30, box that10)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, deref!(Var(var_t1)), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, box Var(var_t1), Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, box Var(var_t1), deref!(Var(var_t2))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, box that30, that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             box Prim2(op2, box that30, deref!(that10)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             deref!(Prim2(op3, box Var(var_t1), box Var(var_t2))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             Prim2(op2, box that30, box that10),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 146 -             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 146 +             deref!(Prim2(op2, box that30, box that10)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         box Let(
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 144 -         box Let(
[INFO] [stdout] 144 +         Let(
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 144 ~         deref!(Let(
[INFO] [stdout] 145 |             t2,
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 148 ~         )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, deref!(Var(var_t1)), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, box Var(var_t1), Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             box Prim2(op3, box Var(var_t1), deref!(Var(var_t2))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 147 -             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 147 +             deref!(Prim2(op3, box Var(var_t1), box Var(var_t2))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/compiler.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         box Let(
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]     |
[INFO] [stdout] 144 -         box Let(
[INFO] [stdout] 144 +         Let(
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 144 ~         deref!(Let(
[INFO] [stdout] 145 |             t2,
[INFO] [stdout] 146 |             box Prim2(op2, box that30, box that10),
[INFO] [stdout] 147 |             box Prim2(op3, box Var(var_t1), box Var(var_t2)),
[INFO] [stdout] 148 ~         )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout] 17 +         Prim1(op, e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout] 17 +         Prim1(op, deref!(e)) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, deref!(e1), box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, box e1, e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, box e1, deref!(e2)) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Let(name, box e1, box e2) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, e1, box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, deref!(e1), box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Let(name, box e1, box e2) => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, box e1, e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, box e1, deref!(e2)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout] 17 +         Prim1(op, e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 17 -         Prim1(op, box e) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout] 17 +         Prim1(op, deref!(e)) if op.as_str() == "-" => -interp_exp(e, env),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, deref!(e1), box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, box e1, e2) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 18 -         Prim2(op, box e1, box e2) if op.as_str() == "+" => {
[INFO] [stdout] 18 +         Prim2(op, box e1, deref!(e2)) if op.as_str() == "+" => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Let(name, box e1, box e2) => {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, e1, box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, deref!(e1), box e2) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/interp.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Let(name, box e1, box e2) => {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: enable feature `deref_patterns` instead and...
[INFO] [stdout] help: ...if possible just remove keyword `box`...
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, box e1, e2) => {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         Let(name, box e1, box e2) => {
[INFO] [stdout] 23 +         Let(name, box e1, deref!(e2)) => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r0` (lib) due to 32 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r0` (lib test) due to 32 previous errors
[INFO] running `Command { std: "docker" "inspect" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d", kill_on_drop: false }`
[INFO] [stdout] b19b2ca706cd8cd0ddab208ba273908f01a6311684e8774ae1a6b8510a6b5c4d
