[INFO] fetching crate flag-bearer-core 0.1.0-rc.7...
[INFO] testing flag-bearer-core-0.1.0-rc.7 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flag-bearer-core 0.1.0-rc.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate flag-bearer-core 0.1.0-rc.7
[INFO] finished tweaking crates.io crate flag-bearer-core 0.1.0-rc.7
[INFO] tweaked toml for crates.io crate flag-bearer-core 0.1.0-rc.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flag-bearer-core 0.1.0-rc.7 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 flag-bearer-core 0.1.0-rc.7 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a743aeeed8038b7f61a3953a0c79fe87301aa894fbb9814179d905ae0a43e8cd
[INFO] running `Command { std: "docker" "start" "-a" "a743aeeed8038b7f61a3953a0c79fe87301aa894fbb9814179d905ae0a43e8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a743aeeed8038b7f61a3953a0c79fe87301aa894fbb9814179d905ae0a43e8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a743aeeed8038b7f61a3953a0c79fe87301aa894fbb9814179d905ae0a43e8cd", kill_on_drop: false }`
[INFO] [stdout] a743aeeed8038b7f61a3953a0c79fe87301aa894fbb9814179d905ae0a43e8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8dbcdc420fa5e20494a51fe668b90e5c0ac221b180b072333c581c9fcceeea69
[INFO] running `Command { std: "docker" "start" "-a" "8dbcdc420fa5e20494a51fe668b90e5c0ac221b180b072333c581c9fcceeea69", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag-bearer-core v0.1.0-rc.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "8dbcdc420fa5e20494a51fe668b90e5c0ac221b180b072333c581c9fcceeea69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbcdc420fa5e20494a51fe668b90e5c0ac221b180b072333c581c9fcceeea69", kill_on_drop: false }`
[INFO] [stdout] 8dbcdc420fa5e20494a51fe668b90e5c0ac221b180b072333c581c9fcceeea69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0246ea1d666c98b34fa2da6d59d1c646f2012dcb6c6d6051506da3ddf1563855
[INFO] running `Command { std: "docker" "start" "-a" "0246ea1d666c98b34fa2da6d59d1c646f2012dcb6c6d6051506da3ddf1563855", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag-bearer-core v0.1.0-rc.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0246ea1d666c98b34fa2da6d59d1c646f2012dcb6c6d6051506da3ddf1563855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0246ea1d666c98b34fa2da6d59d1c646f2012dcb6c6d6051506da3ddf1563855", kill_on_drop: false }`
[INFO] [stdout] 0246ea1d666c98b34fa2da6d59d1c646f2012dcb6c6d6051506da3ddf1563855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 84ddf8226b1dc92ad5a5280de4f5f8c2603f92960697a043ad585b613e211ea9
[INFO] running `Command { std: "docker" "start" "-a" "84ddf8226b1dc92ad5a5280de4f5f8c2603f92960697a043ad585b613e211ea9", 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/flag_bearer_core-744fb0bfd883d7ba)
[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] [stderr]    Doc-tests flag_bearer_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SemaphoreState (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.48s; merged doctests compilation took 0.47s
[INFO] running `Command { std: "docker" "inspect" "84ddf8226b1dc92ad5a5280de4f5f8c2603f92960697a043ad585b613e211ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ddf8226b1dc92ad5a5280de4f5f8c2603f92960697a043ad585b613e211ea9", kill_on_drop: false }`
[INFO] [stdout] 84ddf8226b1dc92ad5a5280de4f5f8c2603f92960697a043ad585b613e211ea9