[INFO] fetching crate staged_file 0.1.0...
[INFO] testing staged_file-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate staged_file 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate staged_file 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate staged_file 0.1.0
[INFO] finished tweaking crates.io crate staged_file 0.1.0
[INFO] tweaked toml for crates.io crate staged_file 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a7319087e7cd3e311456ab996a31b67a569bfa181400ac70c965d8d386fb19
[INFO] running `Command { std: "docker" "start" "-a" "32a7319087e7cd3e311456ab996a31b67a569bfa181400ac70c965d8d386fb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a7319087e7cd3e311456ab996a31b67a569bfa181400ac70c965d8d386fb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a7319087e7cd3e311456ab996a31b67a569bfa181400ac70c965d8d386fb19", kill_on_drop: false }`
[INFO] [stdout] 32a7319087e7cd3e311456ab996a31b67a569bfa181400ac70c965d8d386fb19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f618ce8b8c08be3b96dc37d7772fa435b501905713fbc49ba599393ad82afcad
[INFO] running `Command { std: "docker" "start" "-a" "f618ce8b8c08be3b96dc37d7772fa435b501905713fbc49ba599393ad82afcad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.20.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling staged_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "f618ce8b8c08be3b96dc37d7772fa435b501905713fbc49ba599393ad82afcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f618ce8b8c08be3b96dc37d7772fa435b501905713fbc49ba599393ad82afcad", kill_on_drop: false }`
[INFO] [stdout] f618ce8b8c08be3b96dc37d7772fa435b501905713fbc49ba599393ad82afcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35f4ab8ebcde764d5c0b535f504d0a7ebb2e2c6957f6effae42d8d3f888b207
[INFO] running `Command { std: "docker" "start" "-a" "e35f4ab8ebcde764d5c0b535f504d0a7ebb2e2c6957f6effae42d8d3f888b207", kill_on_drop: false }`
[INFO] [stderr]    Compiling staged_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e35f4ab8ebcde764d5c0b535f504d0a7ebb2e2c6957f6effae42d8d3f888b207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35f4ab8ebcde764d5c0b535f504d0a7ebb2e2c6957f6effae42d8d3f888b207", kill_on_drop: false }`
[INFO] [stdout] e35f4ab8ebcde764d5c0b535f504d0a7ebb2e2c6957f6effae42d8d3f888b207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fea115df9c94a3a04c8b1e60bf27245702f8a86e1f21128ee8356b0bad77e59f
[INFO] running `Command { std: "docker" "start" "-a" "fea115df9c94a3a04c8b1e60bf27245702f8a86e1f21128ee8356b0bad77e59f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/staged_file-81d3416db95bc701)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::no_commit_staged_file ... ok
[INFO] [stdout] test test::commit_staged_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests staged_file
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fea115df9c94a3a04c8b1e60bf27245702f8a86e1f21128ee8356b0bad77e59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea115df9c94a3a04c8b1e60bf27245702f8a86e1f21128ee8356b0bad77e59f", kill_on_drop: false }`
[INFO] [stdout] fea115df9c94a3a04c8b1e60bf27245702f8a86e1f21128ee8356b0bad77e59f