[INFO] fetching crate serde-jam-derive 0.0.0...
[INFO] testing serde-jam-derive-0.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serde-jam-derive 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] finished tweaking crates.io crate serde-jam-derive 0.0.0
[INFO] tweaked toml for crates.io crate serde-jam-derive 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-jam-derive 0.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-jam-derive 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a00dec4ce6eb3dfc6c48b52de9ca708f92a3338d1acfda5b2d38ba0c12c23fd2
[INFO] running `Command { std: "docker" "start" "-a" "a00dec4ce6eb3dfc6c48b52de9ca708f92a3338d1acfda5b2d38ba0c12c23fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00dec4ce6eb3dfc6c48b52de9ca708f92a3338d1acfda5b2d38ba0c12c23fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00dec4ce6eb3dfc6c48b52de9ca708f92a3338d1acfda5b2d38ba0c12c23fd2", kill_on_drop: false }`
[INFO] [stdout] a00dec4ce6eb3dfc6c48b52de9ca708f92a3338d1acfda5b2d38ba0c12c23fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10756aca8cf2bd5f1324187a61bb821432444b59f762c666547f5ceeee8d3b24
[INFO] running `Command { std: "docker" "start" "-a" "10756aca8cf2bd5f1324187a61bb821432444b59f762c666547f5ceeee8d3b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "10756aca8cf2bd5f1324187a61bb821432444b59f762c666547f5ceeee8d3b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10756aca8cf2bd5f1324187a61bb821432444b59f762c666547f5ceeee8d3b24", kill_on_drop: false }`
[INFO] [stdout] 10756aca8cf2bd5f1324187a61bb821432444b59f762c666547f5ceeee8d3b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf0ef4a4da679e13afc99970b2df7edad0a043ea40d2ca1742cca28c1d4387e
[INFO] running `Command { std: "docker" "start" "-a" "eaf0ef4a4da679e13afc99970b2df7edad0a043ea40d2ca1742cca28c1d4387e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-jam-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "eaf0ef4a4da679e13afc99970b2df7edad0a043ea40d2ca1742cca28c1d4387e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf0ef4a4da679e13afc99970b2df7edad0a043ea40d2ca1742cca28c1d4387e", kill_on_drop: false }`
[INFO] [stdout] eaf0ef4a4da679e13afc99970b2df7edad0a043ea40d2ca1742cca28c1d4387e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc4a858446f34c1e0e3e07e0a56aa5e96ecaae8ba0c60a51846ba6bea2d069ba
[INFO] running `Command { std: "docker" "start" "-a" "bc4a858446f34c1e0e3e07e0a56aa5e96ecaae8ba0c60a51846ba6bea2d069ba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_jam_derive-e5985ed8913fe17b)
[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 serde_jam_derive
[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" "bc4a858446f34c1e0e3e07e0a56aa5e96ecaae8ba0c60a51846ba6bea2d069ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4a858446f34c1e0e3e07e0a56aa5e96ecaae8ba0c60a51846ba6bea2d069ba", kill_on_drop: false }`
[INFO] [stdout] bc4a858446f34c1e0e3e07e0a56aa5e96ecaae8ba0c60a51846ba6bea2d069ba