[INFO] fetching crate slings 0.3.47...
[INFO] testing slings-0.3.47 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate slings 0.3.47 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate slings 0.3.47
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slings 0.3.47
[INFO] tweaked toml for crates.io crate slings 0.3.47 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slings 0.3.47 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 slings 0.3.47 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.7.11
[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] 39f9b1b2fba88bcfcfb545f5a9267ab4ef9b9260e93115050d7147f0963bc1f9
[INFO] running `Command { std: "docker" "start" "-a" "39f9b1b2fba88bcfcfb545f5a9267ab4ef9b9260e93115050d7147f0963bc1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f9b1b2fba88bcfcfb545f5a9267ab4ef9b9260e93115050d7147f0963bc1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f9b1b2fba88bcfcfb545f5a9267ab4ef9b9260e93115050d7147f0963bc1f9", kill_on_drop: false }`
[INFO] [stdout] 39f9b1b2fba88bcfcfb545f5a9267ab4ef9b9260e93115050d7147f0963bc1f9
[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] 41ba9d858d3c5fddf160afa15e5b4a8aa7ddd2a9211d8932d6f7061fdc345a5a
[INFO] running `Command { std: "docker" "start" "-a" "41ba9d858d3c5fddf160afa15e5b4a8aa7ddd2a9211d8932d6f7061fdc345a5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.7.11
[INFO] [stderr]    Compiling slings v0.3.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "41ba9d858d3c5fddf160afa15e5b4a8aa7ddd2a9211d8932d6f7061fdc345a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ba9d858d3c5fddf160afa15e5b4a8aa7ddd2a9211d8932d6f7061fdc345a5a", kill_on_drop: false }`
[INFO] [stdout] 41ba9d858d3c5fddf160afa15e5b4a8aa7ddd2a9211d8932d6f7061fdc345a5a
[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] 71d0bc8cb366358646d3832b94c1fcd847148518c6b1f8545a3264ee24fe9e8a
[INFO] running `Command { std: "docker" "start" "-a" "71d0bc8cb366358646d3832b94c1fcd847148518c6b1f8545a3264ee24fe9e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling slings v0.3.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "71d0bc8cb366358646d3832b94c1fcd847148518c6b1f8545a3264ee24fe9e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d0bc8cb366358646d3832b94c1fcd847148518c6b1f8545a3264ee24fe9e8a", kill_on_drop: false }`
[INFO] [stdout] 71d0bc8cb366358646d3832b94c1fcd847148518c6b1f8545a3264ee24fe9e8a
[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] 77ccbf8cebd2ee4eb16f1c63b4cdc7a3d44bbb223ec2d272225246303271f781
[INFO] running `Command { std: "docker" "start" "-a" "77ccbf8cebd2ee4eb16f1c63b4cdc7a3d44bbb223ec2d272225246303271f781", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slings-beb368901b71f479)
[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 slings
[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" "77ccbf8cebd2ee4eb16f1c63b4cdc7a3d44bbb223ec2d272225246303271f781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ccbf8cebd2ee4eb16f1c63b4cdc7a3d44bbb223ec2d272225246303271f781", kill_on_drop: false }`
[INFO] [stdout] 77ccbf8cebd2ee4eb16f1c63b4cdc7a3d44bbb223ec2d272225246303271f781