[INFO] fetching crate zest4096 0.1.27...
[INFO] testing zest4096-0.1.27 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate zest4096 0.1.27 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate zest4096 0.1.27 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zest4096 0.1.27
[INFO] finished tweaking crates.io crate zest4096 0.1.27
[INFO] tweaked toml for crates.io crate zest4096 0.1.27 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate zest4096 0.1.27 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6259d458db9df10542229512f01b63676af4ddca5f383beff6cfc7bbf6a48a5
[INFO] running `Command { std: "docker" "start" "-a" "a6259d458db9df10542229512f01b63676af4ddca5f383beff6cfc7bbf6a48a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6259d458db9df10542229512f01b63676af4ddca5f383beff6cfc7bbf6a48a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6259d458db9df10542229512f01b63676af4ddca5f383beff6cfc7bbf6a48a5", kill_on_drop: false }`
[INFO] [stdout] a6259d458db9df10542229512f01b63676af4ddca5f383beff6cfc7bbf6a48a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ad0b8dd6ca72101ff806e3856b9c75ac71de90cc9ac533159eaf0056d99530
[INFO] running `Command { std: "docker" "start" "-a" "e5ad0b8dd6ca72101ff806e3856b9c75ac71de90cc9ac533159eaf0056d99530", kill_on_drop: false }`
[INFO] [stderr]    Compiling zest4096 v0.1.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e5ad0b8dd6ca72101ff806e3856b9c75ac71de90cc9ac533159eaf0056d99530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ad0b8dd6ca72101ff806e3856b9c75ac71de90cc9ac533159eaf0056d99530", kill_on_drop: false }`
[INFO] [stdout] e5ad0b8dd6ca72101ff806e3856b9c75ac71de90cc9ac533159eaf0056d99530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c2d7b9a365aefbecd6c5d43593f6e7d545a6c1c76adc97fd1775714d5a70bd
[INFO] running `Command { std: "docker" "start" "-a" "27c2d7b9a365aefbecd6c5d43593f6e7d545a6c1c76adc97fd1775714d5a70bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling zest4096 v0.1.27 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "27c2d7b9a365aefbecd6c5d43593f6e7d545a6c1c76adc97fd1775714d5a70bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c2d7b9a365aefbecd6c5d43593f6e7d545a6c1c76adc97fd1775714d5a70bd", kill_on_drop: false }`
[INFO] [stdout] 27c2d7b9a365aefbecd6c5d43593f6e7d545a6c1c76adc97fd1775714d5a70bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9718f186cbcea349a8c82aef9b05c3bbf616398117b2beedcf4139d89895ce72
[INFO] running `Command { std: "docker" "start" "-a" "9718f186cbcea349a8c82aef9b05c3bbf616398117b2beedcf4139d89895ce72", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zest4096-486f1d942e9a7921)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zest4096
[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] [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" "9718f186cbcea349a8c82aef9b05c3bbf616398117b2beedcf4139d89895ce72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9718f186cbcea349a8c82aef9b05c3bbf616398117b2beedcf4139d89895ce72", kill_on_drop: false }`
[INFO] [stdout] 9718f186cbcea349a8c82aef9b05c3bbf616398117b2beedcf4139d89895ce72