[INFO] fetching crate cbox 0.3.0...
[INFO] testing cbox-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cbox 0.3.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate cbox 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbox 0.3.0
[INFO] finished tweaking crates.io crate cbox 0.3.0
[INFO] tweaked toml for crates.io crate cbox 0.3.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70ae2b45d7d894ca3abbf00c374cff6bb5fb412dab2ad0b56f3c71bddfbc2a5d
[INFO] running `Command { std: "docker" "start" "-a" "70ae2b45d7d894ca3abbf00c374cff6bb5fb412dab2ad0b56f3c71bddfbc2a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ae2b45d7d894ca3abbf00c374cff6bb5fb412dab2ad0b56f3c71bddfbc2a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ae2b45d7d894ca3abbf00c374cff6bb5fb412dab2ad0b56f3c71bddfbc2a5d", kill_on_drop: false }`
[INFO] [stdout] 70ae2b45d7d894ca3abbf00c374cff6bb5fb412dab2ad0b56f3c71bddfbc2a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a4b19c62eb00ef811f3bfc7b2062c9f472a5796f24fb69d8952904f94f4d7a
[INFO] running `Command { std: "docker" "start" "-a" "37a4b19c62eb00ef811f3bfc7b2062c9f472a5796f24fb69d8952904f94f4d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbox v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "37a4b19c62eb00ef811f3bfc7b2062c9f472a5796f24fb69d8952904f94f4d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a4b19c62eb00ef811f3bfc7b2062c9f472a5796f24fb69d8952904f94f4d7a", kill_on_drop: false }`
[INFO] [stdout] 37a4b19c62eb00ef811f3bfc7b2062c9f472a5796f24fb69d8952904f94f4d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec95d90930c6f91385af260d613654ffa6f06ab26ec0b56b2164e047d77f653
[INFO] running `Command { std: "docker" "start" "-a" "dec95d90930c6f91385af260d613654ffa6f06ab26ec0b56b2164e047d77f653", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbox v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "dec95d90930c6f91385af260d613654ffa6f06ab26ec0b56b2164e047d77f653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec95d90930c6f91385af260d613654ffa6f06ab26ec0b56b2164e047d77f653", kill_on_drop: false }`
[INFO] [stdout] dec95d90930c6f91385af260d613654ffa6f06ab26ec0b56b2164e047d77f653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c791f985f477c4fb06af05e32b168a5d863c5b3c5ccbf148fab9e5d0affcde2
[INFO] running `Command { std: "docker" "start" "-a" "3c791f985f477c4fb06af05e32b168a5d863c5b3c5ccbf148fab9e5d0affcde2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cbox-f9f98d7d36a61ce8)
[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 cbox
[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" "3c791f985f477c4fb06af05e32b168a5d863c5b3c5ccbf148fab9e5d0affcde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c791f985f477c4fb06af05e32b168a5d863c5b3c5ccbf148fab9e5d0affcde2", kill_on_drop: false }`
[INFO] [stdout] 3c791f985f477c4fb06af05e32b168a5d863c5b3c5ccbf148fab9e5d0affcde2