[INFO] fetching crate mammoth 0.0.0...
[INFO] testing mammoth-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mammoth 0.0.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate mammoth 0.0.0 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 mammoth 0.0.0
[INFO] finished tweaking crates.io crate mammoth 0.0.0
[INFO] tweaked toml for crates.io crate mammoth 0.0.0 written to /workspace/builds/worker-91/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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 9adf8965d4ad30c6d2020dd56b9bb8934639d439e6272f8cf37ba355b9d287fe
[INFO] running `Command { std: "docker" "start" "-a" "9adf8965d4ad30c6d2020dd56b9bb8934639d439e6272f8cf37ba355b9d287fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9adf8965d4ad30c6d2020dd56b9bb8934639d439e6272f8cf37ba355b9d287fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adf8965d4ad30c6d2020dd56b9bb8934639d439e6272f8cf37ba355b9d287fe", kill_on_drop: false }`
[INFO] [stdout] 9adf8965d4ad30c6d2020dd56b9bb8934639d439e6272f8cf37ba355b9d287fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 9fb0f1c13f8c16ac538c345a262cfa3b6d01a5399146f658ad8cf1a2e15a6cc4
[INFO] running `Command { std: "docker" "start" "-a" "9fb0f1c13f8c16ac538c345a262cfa3b6d01a5399146f658ad8cf1a2e15a6cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mammoth v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "9fb0f1c13f8c16ac538c345a262cfa3b6d01a5399146f658ad8cf1a2e15a6cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb0f1c13f8c16ac538c345a262cfa3b6d01a5399146f658ad8cf1a2e15a6cc4", kill_on_drop: false }`
[INFO] [stdout] 9fb0f1c13f8c16ac538c345a262cfa3b6d01a5399146f658ad8cf1a2e15a6cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] bde3eef277f33f1c16f42f83b33112afa318a24abbce8c4b41fb91a354522072
[INFO] running `Command { std: "docker" "start" "-a" "bde3eef277f33f1c16f42f83b33112afa318a24abbce8c4b41fb91a354522072", kill_on_drop: false }`
[INFO] [stderr]    Compiling mammoth v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bde3eef277f33f1c16f42f83b33112afa318a24abbce8c4b41fb91a354522072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde3eef277f33f1c16f42f83b33112afa318a24abbce8c4b41fb91a354522072", kill_on_drop: false }`
[INFO] [stdout] bde3eef277f33f1c16f42f83b33112afa318a24abbce8c4b41fb91a354522072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] b943d65642fef52995b2e5457bfd4c7177ab1f067b09a2ac6ab61f50976b323f
[INFO] running `Command { std: "docker" "start" "-a" "b943d65642fef52995b2e5457bfd4c7177ab1f067b09a2ac6ab61f50976b323f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mammoth-ca267738ec34df87)
[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" "b943d65642fef52995b2e5457bfd4c7177ab1f067b09a2ac6ab61f50976b323f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b943d65642fef52995b2e5457bfd4c7177ab1f067b09a2ac6ab61f50976b323f", kill_on_drop: false }`
[INFO] [stdout] b943d65642fef52995b2e5457bfd4c7177ab1f067b09a2ac6ab61f50976b323f