[INFO] fetching crate mammoth 0.0.0...
[INFO] testing mammoth-0.0.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate mammoth 0.0.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate mammoth 0.0.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad320f1dcefdbf1b071f10402af35cb1bb9370c06274caab134754eb781fd586
[INFO] running `Command { std: "docker" "start" "-a" "ad320f1dcefdbf1b071f10402af35cb1bb9370c06274caab134754eb781fd586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad320f1dcefdbf1b071f10402af35cb1bb9370c06274caab134754eb781fd586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad320f1dcefdbf1b071f10402af35cb1bb9370c06274caab134754eb781fd586", kill_on_drop: false }`
[INFO] [stdout] ad320f1dcefdbf1b071f10402af35cb1bb9370c06274caab134754eb781fd586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22cce328545ff14b756fc3d94081d9cae704cab80b9ccd728be79a0fd04192e
[INFO] running `Command { std: "docker" "start" "-a" "f22cce328545ff14b756fc3d94081d9cae704cab80b9ccd728be79a0fd04192e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mammoth v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f22cce328545ff14b756fc3d94081d9cae704cab80b9ccd728be79a0fd04192e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22cce328545ff14b756fc3d94081d9cae704cab80b9ccd728be79a0fd04192e", kill_on_drop: false }`
[INFO] [stdout] f22cce328545ff14b756fc3d94081d9cae704cab80b9ccd728be79a0fd04192e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6fe1465f0505cd1316f3fc7f8d2e162b671ea12b11a2154e2ade4980faba46
[INFO] running `Command { std: "docker" "start" "-a" "7b6fe1465f0505cd1316f3fc7f8d2e162b671ea12b11a2154e2ade4980faba46", kill_on_drop: false }`
[INFO] [stderr]    Compiling mammoth v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "7b6fe1465f0505cd1316f3fc7f8d2e162b671ea12b11a2154e2ade4980faba46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6fe1465f0505cd1316f3fc7f8d2e162b671ea12b11a2154e2ade4980faba46", kill_on_drop: false }`
[INFO] [stdout] 7b6fe1465f0505cd1316f3fc7f8d2e162b671ea12b11a2154e2ade4980faba46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fd5ef9e29c263466aeb8dd76d5f92524a8158771b75ac2b5d50ef57a627ad38
[INFO] running `Command { std: "docker" "start" "-a" "3fd5ef9e29c263466aeb8dd76d5f92524a8158771b75ac2b5d50ef57a627ad38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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" "3fd5ef9e29c263466aeb8dd76d5f92524a8158771b75ac2b5d50ef57a627ad38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd5ef9e29c263466aeb8dd76d5f92524a8158771b75ac2b5d50ef57a627ad38", kill_on_drop: false }`
[INFO] [stdout] 3fd5ef9e29c263466aeb8dd76d5f92524a8158771b75ac2b5d50ef57a627ad38