[INFO] cloning repository https://github.com/adi/immutable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adi/immutable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5560de697a5b9d0889b193a65e54d4ce89b19e3
[INFO] testing adi/immutable 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%2Fadi%2Fimmutable" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adi/immutable 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/adi/immutable
[INFO] finished tweaking git repo https://github.com/adi/immutable
[INFO] tweaked toml for git repo https://github.com/adi/immutable written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/adi/immutable 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] c0845eca696a7a9d1b713c1b0a8b2a589414b80121ac0297d12b612d6bd60712
[INFO] running `Command { std: "docker" "start" "-a" "c0845eca696a7a9d1b713c1b0a8b2a589414b80121ac0297d12b612d6bd60712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0845eca696a7a9d1b713c1b0a8b2a589414b80121ac0297d12b612d6bd60712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0845eca696a7a9d1b713c1b0a8b2a589414b80121ac0297d12b612d6bd60712", kill_on_drop: false }`
[INFO] [stdout] c0845eca696a7a9d1b713c1b0a8b2a589414b80121ac0297d12b612d6bd60712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 77d56a20e72b65b8c8141fb0e82a40d4a76ddcc5e3c2a89e5d06d794dcb34886
[INFO] running `Command { std: "docker" "start" "-a" "77d56a20e72b65b8c8141fb0e82a40d4a76ddcc5e3c2a89e5d06d794dcb34886", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling immutable v0.1.0 (/opt/rustwide/workdir/immutable)
[INFO] [stderr]    Compiling example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> example/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "77d56a20e72b65b8c8141fb0e82a40d4a76ddcc5e3c2a89e5d06d794dcb34886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d56a20e72b65b8c8141fb0e82a40d4a76ddcc5e3c2a89e5d06d794dcb34886", kill_on_drop: false }`
[INFO] [stdout] 77d56a20e72b65b8c8141fb0e82a40d4a76ddcc5e3c2a89e5d06d794dcb34886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263aae76732091ee509f85c480590d3b8f501659050b66ca68392e7099bd776b
[INFO] running `Command { std: "docker" "start" "-a" "263aae76732091ee509f85c480590d3b8f501659050b66ca68392e7099bd776b", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable v0.1.0 (/opt/rustwide/workdir/immutable)
[INFO] [stderr]    Compiling example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> example/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "263aae76732091ee509f85c480590d3b8f501659050b66ca68392e7099bd776b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263aae76732091ee509f85c480590d3b8f501659050b66ca68392e7099bd776b", kill_on_drop: false }`
[INFO] [stdout] 263aae76732091ee509f85c480590d3b8f501659050b66ca68392e7099bd776b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3c85d5bf71ade7c4ea63baf430fa16e102c9be610f6dbd15fe02c847fc318d6
[INFO] running `Command { std: "docker" "start" "-a" "e3c85d5bf71ade7c4ea63baf430fa16e102c9be610f6dbd15fe02c847fc318d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> example/src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `example` (bin "example" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example-f2d79384c5a9b007)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/immutable-57a472aec9206133)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests immutable
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3c85d5bf71ade7c4ea63baf430fa16e102c9be610f6dbd15fe02c847fc318d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c85d5bf71ade7c4ea63baf430fa16e102c9be610f6dbd15fe02c847fc318d6", kill_on_drop: false }`
[INFO] [stdout] e3c85d5bf71ade7c4ea63baf430fa16e102c9be610f6dbd15fe02c847fc318d6