[INFO] fetching crate imager-rs 0.2.0...
[INFO] testing imager-rs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate imager-rs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imager-rs 0.2.0 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 imager-rs 0.2.0
[INFO] finished tweaking crates.io crate imager-rs 0.2.0
[INFO] tweaked toml for crates.io crate imager-rs 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate imager-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9e4afc8d8c3abacd20204eecc042d5d036be8d4e0907ff77fac8202ddf7a0cfc
[INFO] running `Command { std: "docker" "start" "-a" "9e4afc8d8c3abacd20204eecc042d5d036be8d4e0907ff77fac8202ddf7a0cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e4afc8d8c3abacd20204eecc042d5d036be8d4e0907ff77fac8202ddf7a0cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4afc8d8c3abacd20204eecc042d5d036be8d4e0907ff77fac8202ddf7a0cfc", kill_on_drop: false }`
[INFO] [stdout] 9e4afc8d8c3abacd20204eecc042d5d036be8d4e0907ff77fac8202ddf7a0cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d32b0d18a28e3f91eb9655db62c403d5329c9c0e465ccfa3ecfb3b398bcc64fa
[INFO] running `Command { std: "docker" "start" "-a" "d32b0d18a28e3f91eb9655db62c403d5329c9c0e465ccfa3ecfb3b398bcc64fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling imager-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "d32b0d18a28e3f91eb9655db62c403d5329c9c0e465ccfa3ecfb3b398bcc64fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32b0d18a28e3f91eb9655db62c403d5329c9c0e465ccfa3ecfb3b398bcc64fa", kill_on_drop: false }`
[INFO] [stdout] d32b0d18a28e3f91eb9655db62c403d5329c9c0e465ccfa3ecfb3b398bcc64fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0f5cef0eda321a88fe6caa50219e2e7b3cc36646650e9a1209e4b8b2d21065d1
[INFO] running `Command { std: "docker" "start" "-a" "0f5cef0eda321a88fe6caa50219e2e7b3cc36646650e9a1209e4b8b2d21065d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling imager-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0f5cef0eda321a88fe6caa50219e2e7b3cc36646650e9a1209e4b8b2d21065d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5cef0eda321a88fe6caa50219e2e7b3cc36646650e9a1209e4b8b2d21065d1", kill_on_drop: false }`
[INFO] [stdout] 0f5cef0eda321a88fe6caa50219e2e7b3cc36646650e9a1209e4b8b2d21065d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 12de7bb01e4acbcf94e0f8382c730a0377861be6b4971d781e47d1e8543e3568
[INFO] running `Command { std: "docker" "start" "-a" "12de7bb01e4acbcf94e0f8382c730a0377861be6b4971d781e47d1e8543e3568", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imager_rs-a5081136ad2c26ff)
[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" "12de7bb01e4acbcf94e0f8382c730a0377861be6b4971d781e47d1e8543e3568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12de7bb01e4acbcf94e0f8382c730a0377861be6b4971d781e47d1e8543e3568", kill_on_drop: false }`
[INFO] [stdout] 12de7bb01e4acbcf94e0f8382c730a0377861be6b4971d781e47d1e8543e3568