[INFO] cloning repository https://github.com/St2r/compiler-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/St2r/compiler-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSt2r%2Fcompiler-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSt2r%2Fcompiler-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc71912bfcd4df5c15fc467cb6a4ea7dbe4b7be4
[INFO] checking St2r/compiler-utils against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSt2r%2Fcompiler-utils" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/St2r/compiler-utils on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/St2r/compiler-utils
[INFO] finished tweaking git repo https://github.com/St2r/compiler-utils
[INFO] tweaked toml for git repo https://github.com/St2r/compiler-utils written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/St2r/compiler-utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 945692c498a1aa96d6f5809018d4817caca40da73529b9c26c7418e355a63058
[INFO] running `Command { std: "docker" "start" "-a" "945692c498a1aa96d6f5809018d4817caca40da73529b9c26c7418e355a63058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945692c498a1aa96d6f5809018d4817caca40da73529b9c26c7418e355a63058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945692c498a1aa96d6f5809018d4817caca40da73529b9c26c7418e355a63058", kill_on_drop: false }`
[INFO] [stdout] 945692c498a1aa96d6f5809018d4817caca40da73529b9c26c7418e355a63058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d27c298a418370eef5670ee2700ee308ba9bad3bd493dc577aab2aec2629c6b
[INFO] running `Command { std: "docker" "start" "-a" "3d27c298a418370eef5670ee2700ee308ba9bad3bd493dc577aab2aec2629c6b", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Grammar`
[INFO] [stdout]  --> src/grammar/grammar.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Grammar{
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grammar/grammar.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn new() {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Grammar`
[INFO] [stdout]  --> src/grammar/grammar.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Grammar{
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/grammar/grammar.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn new() {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `compiler_utils::com`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use compiler_utils::com;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `com` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `testf` in module `grammar`
[INFO] [stdout]  --> src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     grammar::testf();
[INFO] [stdout]   |              ^^^^^ not found in `grammar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `compiler_utils::com`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use compiler_utils::com;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `com` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler-utils` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `testf` in module `grammar`
[INFO] [stdout]  --> src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     grammar::testf();
[INFO] [stdout]   |              ^^^^^ not found in `grammar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d27c298a418370eef5670ee2700ee308ba9bad3bd493dc577aab2aec2629c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d27c298a418370eef5670ee2700ee308ba9bad3bd493dc577aab2aec2629c6b", kill_on_drop: false }`
[INFO] [stdout] 3d27c298a418370eef5670ee2700ee308ba9bad3bd493dc577aab2aec2629c6b