[INFO] fetching crate st-fifo-tool 1.0.0...
[INFO] testing st-fifo-tool-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate st-fifo-tool 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate st-fifo-tool 1.0.0
[INFO] finished tweaking crates.io crate st-fifo-tool 1.0.0
[INFO] tweaked toml for crates.io crate st-fifo-tool 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate st-fifo-tool 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate st-fifo-tool 1.0.0 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d0c8ffa636293cdadd91f2190a2229b9d82c13d48bf15e1e12794330fce896
[INFO] running `Command { std: "docker" "start" "-a" "55d0c8ffa636293cdadd91f2190a2229b9d82c13d48bf15e1e12794330fce896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d0c8ffa636293cdadd91f2190a2229b9d82c13d48bf15e1e12794330fce896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d0c8ffa636293cdadd91f2190a2229b9d82c13d48bf15e1e12794330fce896", kill_on_drop: false }`
[INFO] [stdout] 55d0c8ffa636293cdadd91f2190a2229b9d82c13d48bf15e1e12794330fce896
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8deff4356b87fa4332e172ed352a0d3b8ef9aefaf777629bbf06a4f64233b3
[INFO] running `Command { std: "docker" "start" "-a" "af8deff4356b87fa4332e172ed352a0d3b8ef9aefaf777629bbf06a4f64233b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling st-fifo-tool v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "af8deff4356b87fa4332e172ed352a0d3b8ef9aefaf777629bbf06a4f64233b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8deff4356b87fa4332e172ed352a0d3b8ef9aefaf777629bbf06a4f64233b3", kill_on_drop: false }`
[INFO] [stdout] af8deff4356b87fa4332e172ed352a0d3b8ef9aefaf777629bbf06a4f64233b3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74bd4e355032836ab82c174511b4e014fd2253eb5d043319a3a3fb1e7d373a2f
[INFO] running `Command { std: "docker" "start" "-a" "74bd4e355032836ab82c174511b4e014fd2253eb5d043319a3a3fb1e7d373a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling st-fifo-tool v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "74bd4e355032836ab82c174511b4e014fd2253eb5d043319a3a3fb1e7d373a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bd4e355032836ab82c174511b4e014fd2253eb5d043319a3a3fb1e7d373a2f", kill_on_drop: false }`
[INFO] [stdout] 74bd4e355032836ab82c174511b4e014fd2253eb5d043319a3a3fb1e7d373a2f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0595d864233b368a0315719c8730441de5a43310045a5bb39c884c7a0075bd0
[INFO] running `Command { std: "docker" "start" "-a" "b0595d864233b368a0315719c8730441de5a43310045a5bb39c884c7a0075bd0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/st_fifo_tool-4faeb2cad312ffbe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests st_fifo_tool
[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" "b0595d864233b368a0315719c8730441de5a43310045a5bb39c884c7a0075bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0595d864233b368a0315719c8730441de5a43310045a5bb39c884c7a0075bd0", kill_on_drop: false }`
[INFO] [stdout] b0595d864233b368a0315719c8730441de5a43310045a5bb39c884c7a0075bd0