[INFO] fetching crate shadow 0.0.1...
[INFO] building shadow-0.0.1 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate shadow 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate shadow 0.0.1 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shadow 0.0.1
[INFO] finished tweaking crates.io crate shadow 0.0.1
[INFO] tweaked toml for crates.io crate shadow 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0fe9dc846cd72fd8f5cbd42977d1b4f43c5e496ee7ca6b13e18f6c29f3c4a43
[INFO] running `Command { std: "docker" "start" "-a" "c0fe9dc846cd72fd8f5cbd42977d1b4f43c5e496ee7ca6b13e18f6c29f3c4a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0fe9dc846cd72fd8f5cbd42977d1b4f43c5e496ee7ca6b13e18f6c29f3c4a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fe9dc846cd72fd8f5cbd42977d1b4f43c5e496ee7ca6b13e18f6c29f3c4a43", kill_on_drop: false }`
[INFO] [stdout] c0fe9dc846cd72fd8f5cbd42977d1b4f43c5e496ee7ca6b13e18f6c29f3c4a43
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7fc10e3037523dddd7c662003b9dad288f924ea47c8493cee06171c871291bb
[INFO] running `Command { std: "docker" "start" "-a" "d7fc10e3037523dddd7c662003b9dad288f924ea47c8493cee06171c871291bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling shadow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "d7fc10e3037523dddd7c662003b9dad288f924ea47c8493cee06171c871291bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fc10e3037523dddd7c662003b9dad288f924ea47c8493cee06171c871291bb", kill_on_drop: false }`
[INFO] [stdout] d7fc10e3037523dddd7c662003b9dad288f924ea47c8493cee06171c871291bb
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3a6b81d20676d41abceec6fae721418a1cb98500e9e674330ca86689b4e3f8
[INFO] running `Command { std: "docker" "start" "-a" "3e3a6b81d20676d41abceec6fae721418a1cb98500e9e674330ca86689b4e3f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/shadow-3c71dde3035a3986)
[INFO] running `Command { std: "docker" "inspect" "3e3a6b81d20676d41abceec6fae721418a1cb98500e9e674330ca86689b4e3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3a6b81d20676d41abceec6fae721418a1cb98500e9e674330ca86689b4e3f8", kill_on_drop: false }`
[INFO] [stdout] 3e3a6b81d20676d41abceec6fae721418a1cb98500e9e674330ca86689b4e3f8