[INFO] cloning repository https://github.com/tqn/rslambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tqn/rslambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b76315a3f3dbd573bc83297e67b3444c32d538b
[INFO] checking tqn/rslambda against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftqn%2Frslambda" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tqn/rslambda
[INFO] finished tweaking git repo https://github.com/tqn/rslambda
[INFO] tweaked toml for git repo https://github.com/tqn/rslambda written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tqn/rslambda 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/tqn/rslambda 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61
[INFO] running `Command { std: "docker" "start" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61", 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" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61", 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" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rslambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.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[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.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/lambda.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if let Abs(f, box Abs(x, body)) = self {
[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] 90 -         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout] 90 +         if let Abs(f, Abs(x, body)) = self {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 90 -         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout] 90 +         if let Abs(f, deref!(Abs(x, body))) = self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/lambda.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[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] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let box App(Var(ident), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let box App(deref!(Var(ident)), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/lambda.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if let Abs(f, box Abs(x, body)) = self {
[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] 90 -         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout] 90 +         if let Abs(f, Abs(x, body)) = self {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 90 -         if let Abs(f, box Abs(x, body)) = self {
[INFO] [stdout] 90 +         if let Abs(f, deref!(Abs(x, body))) = self {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/lambda.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[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] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let App(box Var(ident), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let deref!(App(box Var(ident), r)) = body {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if let box Var(ident) = body {
[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] 106 -             if let box Var(ident) = body {
[INFO] [stdout] 106 +             if let Var(ident) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 106 -             if let box Var(ident) = body {
[INFO] [stdout] 106 +             if let deref!(Var(ident)) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/lambda.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[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] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let box App(Var(ident), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let box App(deref!(Var(ident)), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if let box Abs(var, body) = func {
[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] 122 -                 if let box Abs(var, body) = func {
[INFO] [stdout] 122 +                 if let Abs(var, body) = func {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 122 -                 if let box Abs(var, body) = func {
[INFO] [stdout] 122 +                 if let deref!(Abs(var, body)) = func {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[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] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let box App(l, Var(v)) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let box App(l, deref!(Var(v))) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[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] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let App(l, box Var(v)) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let deref!(App(l, box Var(v))) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 if let box App(l, r) = b {
[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] 191 -                 if let box App(l, r) = b {
[INFO] [stdout] 191 +                 if let App(l, r) = b {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 191 -                 if let box App(l, r) = b {
[INFO] [stdout] 191 +                 if let deref!(App(l, r)) = b {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]   --> src/lambda.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |             while let box App(box Var(ident), r) = body {
[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] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let App(box Var(ident), r) = body {
[INFO] [stdout]    |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]    |
[INFO] [stdout] 95 -             while let box App(box Var(ident), r) = body {
[INFO] [stdout] 95 +             while let deref!(App(box Var(ident), r)) = body {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if let box Var(ident) = body {
[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] 106 -             if let box Var(ident) = body {
[INFO] [stdout] 106 +             if let Var(ident) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 106 -             if let box Var(ident) = body {
[INFO] [stdout] 106 +             if let deref!(Var(ident)) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if let box Abs(var, body) = func {
[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] 122 -                 if let box Abs(var, body) = func {
[INFO] [stdout] 122 +                 if let Abs(var, body) = func {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 122 -                 if let box Abs(var, body) = func {
[INFO] [stdout] 122 +                 if let deref!(Abs(var, body)) = func {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:149:35
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[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] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let box App(l, Var(v)) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let box App(l, deref!(Var(v))) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 if let box App(l, box Var(v)) = body {
[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] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let App(l, box Var(v)) = body {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 if let box App(l, box Var(v)) = body {
[INFO] [stdout] 149 +                 if let deref!(App(l, box Var(v))) = body {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box` patterns have been removed (feature `box_patterns`)
[INFO] [stdout]    --> src/lambda.rs:191:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 if let box App(l, r) = b {
[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] 191 -                 if let box App(l, r) = b {
[INFO] [stdout] 191 +                 if let App(l, r) = b {
[INFO] [stdout]     |
[INFO] [stdout] help: ...otherwise replace it with an invocation of macro `deref`
[INFO] [stdout]     |
[INFO] [stdout] 191 -                 if let box App(l, r) = b {
[INFO] [stdout] 191 +                 if let deref!(App(l, r)) = b {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rslambda` (bin "rslambda") due to 9 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rslambda` (bin "rslambda" test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61", kill_on_drop: false }`
[INFO] [stdout] 9be1b38bc231306fac14b254ce416b140c7030f19e0302d37bf43367ff115c61
