[INFO] fetching crate messagebird 0.0.2...
[INFO] testing messagebird-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate messagebird 0.0.2 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate messagebird 0.0.2 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 messagebird 0.0.2
[INFO] finished tweaking crates.io crate messagebird 0.0.2
[INFO] tweaked toml for crates.io crate messagebird 0.0.2 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate messagebird 0.0.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] f584e4f5afda73d3827628e0eb82e5e2abb872af3607ed29cb375d042b0c7903
[INFO] running `Command { std: "docker" "start" "-a" "f584e4f5afda73d3827628e0eb82e5e2abb872af3607ed29cb375d042b0c7903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f584e4f5afda73d3827628e0eb82e5e2abb872af3607ed29cb375d042b0c7903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f584e4f5afda73d3827628e0eb82e5e2abb872af3607ed29cb375d042b0c7903", kill_on_drop: false }`
[INFO] [stdout] f584e4f5afda73d3827628e0eb82e5e2abb872af3607ed29cb375d042b0c7903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 5e4026450d7b1012951e5d6dc650d6d53ca8481996e61d239d27b06a800829c3
[INFO] running `Command { std: "docker" "start" "-a" "5e4026450d7b1012951e5d6dc650d6d53ca8481996e61d239d27b06a800829c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling messagebird v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5e4026450d7b1012951e5d6dc650d6d53ca8481996e61d239d27b06a800829c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4026450d7b1012951e5d6dc650d6d53ca8481996e61d239d27b06a800829c3", kill_on_drop: false }`
[INFO] [stdout] 5e4026450d7b1012951e5d6dc650d6d53ca8481996e61d239d27b06a800829c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] f3337712068aa9d8a5d337bbe1be768bd96ccb8ffcf8a9cea5560c1b99ddb68e
[INFO] running `Command { std: "docker" "start" "-a" "f3337712068aa9d8a5d337bbe1be768bd96ccb8ffcf8a9cea5560c1b99ddb68e", kill_on_drop: false }`
[INFO] [stderr]    Compiling messagebird v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f3337712068aa9d8a5d337bbe1be768bd96ccb8ffcf8a9cea5560c1b99ddb68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3337712068aa9d8a5d337bbe1be768bd96ccb8ffcf8a9cea5560c1b99ddb68e", kill_on_drop: false }`
[INFO] [stdout] f3337712068aa9d8a5d337bbe1be768bd96ccb8ffcf8a9cea5560c1b99ddb68e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 8fbb3daf554d39efdc917a3ff6263850ddd81cd8b19712ca2c93bdef99ed0146
[INFO] running `Command { std: "docker" "start" "-a" "8fbb3daf554d39efdc917a3ff6263850ddd81cd8b19712ca2c93bdef99ed0146", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/messagebird-6784131d03cfe450)
[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" "8fbb3daf554d39efdc917a3ff6263850ddd81cd8b19712ca2c93bdef99ed0146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbb3daf554d39efdc917a3ff6263850ddd81cd8b19712ca2c93bdef99ed0146", kill_on_drop: false }`
[INFO] [stdout] 8fbb3daf554d39efdc917a3ff6263850ddd81cd8b19712ca2c93bdef99ed0146