[INFO] fetching crate minimal-left-right 0.1.0...
[INFO] testing minimal-left-right-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate minimal-left-right 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate minimal-left-right 0.1.0
[INFO] finished tweaking crates.io crate minimal-left-right 0.1.0
[INFO] tweaked toml for crates.io crate minimal-left-right 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minimal-left-right 0.1.0 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 minimal-left-right 0.1.0 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40cd3fc82c57624a5b7b6e2ec02f9264aebf46bba436c58ca603a1e151ed40d8
[INFO] running `Command { std: "docker" "start" "-a" "40cd3fc82c57624a5b7b6e2ec02f9264aebf46bba436c58ca603a1e151ed40d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40cd3fc82c57624a5b7b6e2ec02f9264aebf46bba436c58ca603a1e151ed40d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cd3fc82c57624a5b7b6e2ec02f9264aebf46bba436c58ca603a1e151ed40d8", kill_on_drop: false }`
[INFO] [stdout] 40cd3fc82c57624a5b7b6e2ec02f9264aebf46bba436c58ca603a1e151ed40d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eb6f87334022cfe21ac23cc6c30b2e2e618af325d541714ef73ae0446ab07875
[INFO] running `Command { std: "docker" "start" "-a" "eb6f87334022cfe21ac23cc6c30b2e2e618af325d541714ef73ae0446ab07875", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling minimal-left-right v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "eb6f87334022cfe21ac23cc6c30b2e2e618af325d541714ef73ae0446ab07875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6f87334022cfe21ac23cc6c30b2e2e618af325d541714ef73ae0446ab07875", kill_on_drop: false }`
[INFO] [stdout] eb6f87334022cfe21ac23cc6c30b2e2e618af325d541714ef73ae0446ab07875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 35c5952920b5a6499c8254d3c783e0a0e95a3af2823a2526e0c4b58ae6569329
[INFO] running `Command { std: "docker" "start" "-a" "35c5952920b5a6499c8254d3c783e0a0e95a3af2823a2526e0c4b58ae6569329", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimal-left-right v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "35c5952920b5a6499c8254d3c783e0a0e95a3af2823a2526e0c4b58ae6569329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c5952920b5a6499c8254d3c783e0a0e95a3af2823a2526e0c4b58ae6569329", kill_on_drop: false }`
[INFO] [stdout] 35c5952920b5a6499c8254d3c783e0a0e95a3af2823a2526e0c4b58ae6569329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e3595f0d1cd54fdab13e9708e9244f46547c1bacb47da999b48e40c22f0bde6d
[INFO] running `Command { std: "docker" "start" "-a" "e3595f0d1cd54fdab13e9708e9244f46547c1bacb47da999b48e40c22f0bde6d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minimal_left_right-aa2e1a0f3069ebcc)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::a_second_writer_panics - should panic ... ok
[INFO] [stdout] test tests::test_autosync ... ok
[INFO] [stdout] test tests::simulate_publish_without_drop ... ok
[INFO] [stdout] test tests::test_interruption_during_publish ... ok
[INFO] [stdout] test tests::test_interruption_before_and_after_publish ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimal_left_right
[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" "e3595f0d1cd54fdab13e9708e9244f46547c1bacb47da999b48e40c22f0bde6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3595f0d1cd54fdab13e9708e9244f46547c1bacb47da999b48e40c22f0bde6d", kill_on_drop: false }`
[INFO] [stdout] e3595f0d1cd54fdab13e9708e9244f46547c1bacb47da999b48e40c22f0bde6d