[INFO] cloning repository https://github.com/HaroldVemeno/rustlambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HaroldVemeno/rustlambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaroldVemeno%2Frustlambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaroldVemeno%2Frustlambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ed64c92dbeebec299ff8a37f0bd595d625303d
[INFO] checking HaroldVemeno/rustlambda against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHaroldVemeno%2Frustlambda" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HaroldVemeno/rustlambda
[INFO] finished tweaking git repo https://github.com/HaroldVemeno/rustlambda
[INFO] tweaked toml for git repo https://github.com/HaroldVemeno/rustlambda written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HaroldVemeno/rustlambda on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HaroldVemeno/rustlambda 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8
[INFO] running `Command { std: "docker" "start" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8", 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" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking empty-box v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking rustlambda 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 CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval/eval.rs:94:35
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Abstr(var, box Appl(rest, box Variable(last)))
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/eval/eval.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Abstr(var, box Appl(rest, box Variable(last)))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/eval/eval.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |         Appl(box Abstr(from, body), to) => {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/expr.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |             (Abstr(a_var, box a_body), Abstr(b_var, box b_body)) => {
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/expr.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |             (Abstr(a_var, box a_body), Abstr(b_var, box b_body)) => {
[INFO] [stdout]    |                                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/expr.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |             (Abstr(v, box b), Expr::Abstr(w, box c)) => {
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]   --> src/expr.rs:94:46
[INFO] [stdout]    |
[INFO] [stdout] 94 |             (Abstr(v, box b), Expr::Abstr(w, box c)) => {
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/expr.rs:169:47
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Abstr(bound_f, box Abstr(bound_x, box body)) => {
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/expr.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Abstr(bound_f, box Abstr(bound_x, box body)) => {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/expr.rs:175:30
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         Appl(box Variable(now_f), box rest) if now_f == bound_f => {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/expr.rs:175:51
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         Appl(box Variable(now_f), box rest) if now_f == bound_f => {
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `last` in this scope
[INFO] [stdout]   --> src/eval/eval.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |             if var == last && !rest.unbounds().contains(&var) =>
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/eval/eval.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |             if var == last && !rest.unbounds().contains(&var) =>
[INFO] [stdout]    |                                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]   --> src/eval/eval.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |             *do_reduce(rest, defs, st)
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/eval/eval.rs:112:35
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let res = beta_reduce(body, from, to);
[INFO] [stdout]     |                                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `from` in this scope
[INFO] [stdout]    --> src/eval/eval.rs:112:41
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let res = beta_reduce(body, from, to);
[INFO] [stdout]     |                                         ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `a_body` in this scope
[INFO] [stdout]   --> src/expr.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     a_body.alpha_eq(b_body)
[INFO] [stdout]    |                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `b_body` in this scope
[INFO] [stdout]   --> src/expr.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     a_body.alpha_eq(b_body)
[INFO] [stdout]    |                                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `a_body` in this scope
[INFO] [stdout]   --> src/expr.rs:80:43
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     Expr::alpha_eq_mapped(a_body, b_body, map)
[INFO] [stdout]    |                                           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `b_body` in this scope
[INFO] [stdout]   --> src/expr.rs:80:51
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     Expr::alpha_eq_mapped(a_body, b_body, map)
[INFO] [stdout]    |                                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `b` in this scope
[INFO] [stdout]   --> src/expr.rs:98:39
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 Expr::alpha_eq_mapped(b, c, other_to_self)
[INFO] [stdout]    |                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 Expr::alpha_eq_mapped(b, c, other_to_self)
[INFO] [stdout] 98 +                 Expr::alpha_eq_mapped(v, c, other_to_self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]   --> src/expr.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 Expr::alpha_eq_mapped(b, c, other_to_self)
[INFO] [stdout]    |                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 Expr::alpha_eq_mapped(b, c, other_to_self)
[INFO] [stdout] 98 +                 Expr::alpha_eq_mapped(b, v, other_to_self)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/expr.rs:171:47
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 let mut current_body: &Expr = body;
[INFO] [stdout]     |                                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `bound_x` in this scope
[INFO] [stdout]    --> src/expr.rs:174:53
[INFO] [stdout]     |
[INFO] [stdout] 174 |                         Variable(now_x) if now_x == bound_x => break Some(ret),
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 174 -                         Variable(now_x) if now_x == bound_x => break Some(ret),
[INFO] [stdout] 174 +                         Variable(now_x) if now_x == bound_f => break Some(ret),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `now_f` in this scope
[INFO] [stdout]    --> src/expr.rs:175:64
[INFO] [stdout]     |
[INFO] [stdout] 175 |                         Appl(box Variable(now_f), box rest) if now_f == bound_f => {
[INFO] [stdout]     |                                                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rest` in this scope
[INFO] [stdout]    --> src/expr.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 | ...                   rest
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 177 -                             rest
[INFO] [stdout] 177 +                             ret
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/repl.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error, process};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustlambda` (lib) due to 27 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8", kill_on_drop: false }`
[INFO] [stdout] de21aba91962907dffa88d16ce9840fd4128f4eb264f4575866a7678719c4ce8
