[INFO] fetching crate magnetic 2.5.2...
[INFO] testing magnetic-2.5.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate magnetic 2.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate magnetic 2.5.2
[INFO] finished tweaking crates.io crate magnetic 2.5.2
[INFO] tweaked toml for crates.io crate magnetic 2.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate magnetic 2.5.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magnetic 2.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b666ff896d645be05e2a71bed24ef5b4710e0b1ab22dcbccf1834f2ec50a47e
[INFO] running `Command { std: "docker" "start" "-a" "2b666ff896d645be05e2a71bed24ef5b4710e0b1ab22dcbccf1834f2ec50a47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b666ff896d645be05e2a71bed24ef5b4710e0b1ab22dcbccf1834f2ec50a47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b666ff896d645be05e2a71bed24ef5b4710e0b1ab22dcbccf1834f2ec50a47e", kill_on_drop: false }`
[INFO] [stdout] 2b666ff896d645be05e2a71bed24ef5b4710e0b1ab22dcbccf1834f2ec50a47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 665ca4f8073916f256deb754ce7fab07154f10348389a8837fcd52e24b0910cc
[INFO] running `Command { std: "docker" "start" "-a" "665ca4f8073916f256deb754ce7fab07154f10348389a8837fcd52e24b0910cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetic v2.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "665ca4f8073916f256deb754ce7fab07154f10348389a8837fcd52e24b0910cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665ca4f8073916f256deb754ce7fab07154f10348389a8837fcd52e24b0910cc", kill_on_drop: false }`
[INFO] [stdout] 665ca4f8073916f256deb754ce7fab07154f10348389a8837fcd52e24b0910cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7956418b7e73722fda8878c0e4087d279e41ba58101cf265286b1e28b20ab940
[INFO] running `Command { std: "docker" "start" "-a" "7956418b7e73722fda8878c0e4087d279e41ba58101cf265286b1e28b20ab940", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling magnetic v2.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.02s
[INFO] running `Command { std: "docker" "inspect" "7956418b7e73722fda8878c0e4087d279e41ba58101cf265286b1e28b20ab940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7956418b7e73722fda8878c0e4087d279e41ba58101cf265286b1e28b20ab940", kill_on_drop: false }`
[INFO] [stdout] 7956418b7e73722fda8878c0e4087d279e41ba58101cf265286b1e28b20ab940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 889ded033079a12b6bdc700027f0e402ccf7024d334a036db06e9174b8bbf2dd
[INFO] running `Command { std: "docker" "start" "-a" "889ded033079a12b6bdc700027f0e402ccf7024d334a036db06e9174b8bbf2dd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magnetic-46b6f8c3b3c79ec7)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf_p2 ... ok
[INFO] [stdout] test buffer::dynamic::test::bad_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::p2_buf ... ok
[INFO] [stdout] test mpsc::test::one_thread ... ok
[INFO] [stdout] test mpsc::test::disconnect ... ok
[INFO] [stdout] test spmc::test::disconnect ... ok
[INFO] [stdout] test mpmc::test::one_thread ... ok
[INFO] [stdout] test mpmc::test::disconnect ... ok
[INFO] [stdout] test spmc::test::one_thread ... ok
[INFO] [stdout] test spsc::test::disconnect ... ok
[INFO] [stdout] test spsc::test::one_thread ... ok
[INFO] [stdout] test spsc::test::two_thread_seq ... ok
[INFO] [stdout] test mpmc::test::two_thread_seq ... ok
[INFO] [stdout] test mpsc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::producer_and_consumer_implement_send ... ok
[INFO] [stdout] test buffer::array::test::array_buf ... ok
[INFO] [stdout] test buffer::array::test::bad_buf ... ok
[INFO] [stdout] test spmc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::two_thread_par ... ok
[INFO] [stdout] test mpmc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test mpsc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test spmc::test::four_thread_par has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "889ded033079a12b6bdc700027f0e402ccf7024d334a036db06e9174b8bbf2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889ded033079a12b6bdc700027f0e402ccf7024d334a036db06e9174b8bbf2dd", kill_on_drop: false }`
[INFO] [stdout] 889ded033079a12b6bdc700027f0e402ccf7024d334a036db06e9174b8bbf2dd