[INFO] fetching crate brioche-ducc-serde 0.1.2-brioche...
[INFO] testing brioche-ducc-serde-0.1.2-brioche against 1.55.0 for beta-1.56-1
[INFO] extracting crate brioche-ducc-serde 0.1.2-brioche into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate brioche-ducc-serde 0.1.2-brioche 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 brioche-ducc-serde 0.1.2-brioche
[INFO] finished tweaking crates.io crate brioche-ducc-serde 0.1.2-brioche
[INFO] tweaked toml for crates.io crate brioche-ducc-serde 0.1.2-brioche written to /workspace/builds/worker-50/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brioche-ducc v0.1.2-brioche
[INFO] [stderr]   Downloaded brioche-ducc-sys v0.1.2-brioche
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 213ad2cf99a671d786b900b559357984c689fc1cdb6a27b9dc255961bb7caac3
[INFO] running `Command { std: "docker" "start" "-a" "213ad2cf99a671d786b900b559357984c689fc1cdb6a27b9dc255961bb7caac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "213ad2cf99a671d786b900b559357984c689fc1cdb6a27b9dc255961bb7caac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213ad2cf99a671d786b900b559357984c689fc1cdb6a27b9dc255961bb7caac3", kill_on_drop: false }`
[INFO] [stdout] 213ad2cf99a671d786b900b559357984c689fc1cdb6a27b9dc255961bb7caac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 10e93689a8edbed9aa33c71e429b26ef0a2dec8e3799aae38356ece5eb664696
[INFO] running `Command { std: "docker" "start" "-a" "10e93689a8edbed9aa33c71e429b26ef0a2dec8e3799aae38356ece5eb664696", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling brioche-ducc-sys v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc v0.1.2-brioche
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "10e93689a8edbed9aa33c71e429b26ef0a2dec8e3799aae38356ece5eb664696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e93689a8edbed9aa33c71e429b26ef0a2dec8e3799aae38356ece5eb664696", kill_on_drop: false }`
[INFO] [stdout] 10e93689a8edbed9aa33c71e429b26ef0a2dec8e3799aae38356ece5eb664696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 1a8cc4d9d17ff79d3f31d1159069495be8389af29aa0de6356733525fd967cbe
[INFO] running `Command { std: "docker" "start" "-a" "1a8cc4d9d17ff79d3f31d1159069495be8389af29aa0de6356733525fd967cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling brioche-ducc-serde v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1a8cc4d9d17ff79d3f31d1159069495be8389af29aa0de6356733525fd967cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8cc4d9d17ff79d3f31d1159069495be8389af29aa0de6356733525fd967cbe", kill_on_drop: false }`
[INFO] [stdout] 1a8cc4d9d17ff79d3f31d1159069495be8389af29aa0de6356733525fd967cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 7d6d918770b97559079899e34f3f673099cad540d8eedf4fa5fac80873a9ff04
[INFO] running `Command { std: "docker" "start" "-a" "7d6d918770b97559079899e34f3f673099cad540d8eedf4fa5fac80873a9ff04", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brioche_ducc_serde-93527bc715d95f9c)
[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 brioche-ducc-serde
[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" "7d6d918770b97559079899e34f3f673099cad540d8eedf4fa5fac80873a9ff04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6d918770b97559079899e34f3f673099cad540d8eedf4fa5fac80873a9ff04", kill_on_drop: false }`
[INFO] [stdout] 7d6d918770b97559079899e34f3f673099cad540d8eedf4fa5fac80873a9ff04