[INFO] fetching crate redbox 0.0.1...
[INFO] testing redbox-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate redbox 0.0.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate redbox 0.0.1 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 redbox 0.0.1
[INFO] finished tweaking crates.io crate redbox 0.0.1
[INFO] tweaked toml for crates.io crate redbox 0.0.1 written to /workspace/builds/worker-108/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] [stderr]     Blocking waiting for file lock on package cache
[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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 582d50b4ae328ef833e2254853f72d781b3a613c36f439f9959e7d919ef4ebee
[INFO] running `Command { std: "docker" "start" "-a" "582d50b4ae328ef833e2254853f72d781b3a613c36f439f9959e7d919ef4ebee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582d50b4ae328ef833e2254853f72d781b3a613c36f439f9959e7d919ef4ebee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582d50b4ae328ef833e2254853f72d781b3a613c36f439f9959e7d919ef4ebee", kill_on_drop: false }`
[INFO] [stdout] 582d50b4ae328ef833e2254853f72d781b3a613c36f439f9959e7d919ef4ebee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] a93ce8efc815f6b621f8bbd57c7d1802a9894a03393d250534fb460f2d0b1767
[INFO] running `Command { std: "docker" "start" "-a" "a93ce8efc815f6b621f8bbd57c7d1802a9894a03393d250534fb460f2d0b1767", kill_on_drop: false }`
[INFO] [stderr]    Compiling redbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "a93ce8efc815f6b621f8bbd57c7d1802a9894a03393d250534fb460f2d0b1767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93ce8efc815f6b621f8bbd57c7d1802a9894a03393d250534fb460f2d0b1767", kill_on_drop: false }`
[INFO] [stdout] a93ce8efc815f6b621f8bbd57c7d1802a9894a03393d250534fb460f2d0b1767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] a9060911e65d53bb7cc6b23b1374fcb812d588f8a484d070324b6715722d2ebc
[INFO] running `Command { std: "docker" "start" "-a" "a9060911e65d53bb7cc6b23b1374fcb812d588f8a484d070324b6715722d2ebc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling redbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "a9060911e65d53bb7cc6b23b1374fcb812d588f8a484d070324b6715722d2ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9060911e65d53bb7cc6b23b1374fcb812d588f8a484d070324b6715722d2ebc", kill_on_drop: false }`
[INFO] [stdout] a9060911e65d53bb7cc6b23b1374fcb812d588f8a484d070324b6715722d2ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 34e473b924fdb2218cea6cbf73a89907b64788aa532c1657a1218bd4a88f66a3
[INFO] running `Command { std: "docker" "start" "-a" "34e473b924fdb2218cea6cbf73a89907b64788aa532c1657a1218bd4a88f66a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/redbox-7adc6d5e51da4744)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests redbox
[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" "34e473b924fdb2218cea6cbf73a89907b64788aa532c1657a1218bd4a88f66a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e473b924fdb2218cea6cbf73a89907b64788aa532c1657a1218bd4a88f66a3", kill_on_drop: false }`
[INFO] [stdout] 34e473b924fdb2218cea6cbf73a89907b64788aa532c1657a1218bd4a88f66a3