[INFO] cloning repository https://github.com/JordanAdams/purge-modules
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JordanAdams/purge-modules" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanAdams%2Fpurge-modules", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanAdams%2Fpurge-modules'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d89d453d6382c4daf4287b39ce1e7fe2738837bc
[INFO] testing JordanAdams/purge-modules against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanAdams%2Fpurge-modules" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JordanAdams/purge-modules on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JordanAdams/purge-modules
[INFO] finished tweaking git repo https://github.com/JordanAdams/purge-modules
[INFO] tweaked toml for git repo https://github.com/JordanAdams/purge-modules written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JordanAdams/purge-modules already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a3ccdd9b924b4b63522214d4c340322fc5adc85c52df7bc77d9247021632ca
[INFO] running `Command { std: "docker" "start" "-a" "65a3ccdd9b924b4b63522214d4c340322fc5adc85c52df7bc77d9247021632ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a3ccdd9b924b4b63522214d4c340322fc5adc85c52df7bc77d9247021632ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a3ccdd9b924b4b63522214d4c340322fc5adc85c52df7bc77d9247021632ca", kill_on_drop: false }`
[INFO] [stdout] 65a3ccdd9b924b4b63522214d4c340322fc5adc85c52df7bc77d9247021632ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470d1256e8c0de93ed413dabf111b5da149b0253d01408b02f4a411a9aa6a328
[INFO] running `Command { std: "docker" "start" "-a" "470d1256e8c0de93ed413dabf111b5da149b0253d01408b02f4a411a9aa6a328", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling purge-node-modules v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 remove_dir(path).expect(format!("Failed to delete {}", path.display()));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&str`, found struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `purge-node-modules` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "470d1256e8c0de93ed413dabf111b5da149b0253d01408b02f4a411a9aa6a328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470d1256e8c0de93ed413dabf111b5da149b0253d01408b02f4a411a9aa6a328", kill_on_drop: false }`
[INFO] [stdout] 470d1256e8c0de93ed413dabf111b5da149b0253d01408b02f4a411a9aa6a328