[INFO] cloning repository https://github.com/tjf801/untyped-lambda-calculus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjf801/untyped-lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Funtyped-lambda-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Funtyped-lambda-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9991d900dcb39f9f96aec57225bd6f1ab763330
[INFO] checking tjf801/untyped-lambda-calculus against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Funtyped-lambda-calculus" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tjf801/untyped-lambda-calculus
[INFO] finished tweaking git repo https://github.com/tjf801/untyped-lambda-calculus
[INFO] tweaked toml for git repo https://github.com/tjf801/untyped-lambda-calculus written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjf801/untyped-lambda-calculus 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/tjf801/untyped-lambda-calculus 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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274
[INFO] running `Command { std: "docker" "start" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274", 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" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274", 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" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:130:31
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Self::Lambda(var, box body) => {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:56
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                                                        ^^^^^^^
[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 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/main.rs:130:31
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Self::Lambda(var, box body) => {
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_patterns` have been removed
[INFO] [stdout]    --> src/main.rs:144:56
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Self::Apply(box Self::Lambda(v, box body), box arg) => {
[INFO] [stdout]     |                                                        ^^^^^^^
[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 CURRENT_RUSTC_VERSION
[INFO] [stdout]   = note: superseded by `deref_patterns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `body` in this scope
[INFO] [stdout]    --> src/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 body.substitute(j+1, term);
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]    --> src/main.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let mut arg = arg.clone();
[INFO] [stdout]     |                               ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/main.rs:148:37
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 arg.shift_free_name(v, 1, 0);
[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/main.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 body.substitute(0, arg);
[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/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 body.shift_free(-1, 0);
[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/main.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 body.shift_free_name(v, -1, 0);
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/main.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 body.shift_free_name(v, -1, 0);
[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/main.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 *self = body.clone(); // TODO: i hope the optimizer catches this...
[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/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 body.substitute(j+1, term);
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `arg` in this scope
[INFO] [stdout]    --> src/main.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let mut arg = arg.clone();
[INFO] [stdout]     |                               ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/main.rs:148:37
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 arg.shift_free_name(v, 1, 0);
[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/main.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 body.substitute(0, arg);
[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/main.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 body.shift_free(-1, 0);
[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/main.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 body.shift_free_name(v, -1, 0);
[INFO] [stdout]     |                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `v` in this scope
[INFO] [stdout]    --> src/main.rs:153:38
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 body.shift_free_name(v, -1, 0);
[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/main.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 *self = body.clone(); // TODO: i hope the optimizer catches this...
[INFO] [stdout]     |                         ^^^^ not found in this scope
[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 `lambda` (bin "lambda") due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `lambda` (bin "lambda" test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274", kill_on_drop: false }`
[INFO] [stdout] abd1a4ae451f018df15303830d1c6a1831c95a3673a72437c6ce48a540c5e274
