[INFO] cloning repository https://github.com/justinwoo/my-prompt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinwoo/my-prompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31fe91406eec9af103cecd8b99fb4a3c0feff65a
[INFO] checking justinwoo/my-prompt against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinwoo/my-prompt on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/justinwoo/my-prompt
[INFO] finished tweaking git repo https://github.com/justinwoo/my-prompt
[INFO] tweaked toml for git repo https://github.com/justinwoo/my-prompt written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/justinwoo/my-prompt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ee90a0770a4122309e83aaccee8644d444ebc22e8cca7d920cbaa80cd533c80
[INFO] running `"docker" "start" "-a" "8ee90a0770a4122309e83aaccee8644d444ebc22e8cca7d920cbaa80cd533c80"`
[INFO] [stderr]     Checking termcolor v1.0.4 (https://github.com/justinwoo/termcolor?branch=non-printing-escape#eaf83d93)
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "8ee90a0770a4122309e83aaccee8644d444ebc22e8cca7d920cbaa80cd533c80"`
[INFO] running `"docker" "rm" "-f" "8ee90a0770a4122309e83aaccee8644d444ebc22e8cca7d920cbaa80cd533c80"`
[INFO] [stdout] 8ee90a0770a4122309e83aaccee8644d444ebc22e8cca7d920cbaa80cd533c80