[INFO] fetching crate usbenum 0.1.0...
[INFO] testing usbenum-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate usbenum 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate usbenum 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbenum 0.1.0
[INFO] finished tweaking crates.io crate usbenum 0.1.0
[INFO] tweaked toml for crates.io crate usbenum 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate usbenum 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded udev v0.6.2
[INFO] [stderr]   Downloaded serde v1.0.128
[INFO] [stderr]   Downloaded serde_derive v1.0.128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1d63c447c670dd1d56d9f91af04adae7a5f61bfb1721630aea8d71c5243e304
[INFO] running `Command { std: "docker" "start" "-a" "b1d63c447c670dd1d56d9f91af04adae7a5f61bfb1721630aea8d71c5243e304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d63c447c670dd1d56d9f91af04adae7a5f61bfb1721630aea8d71c5243e304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d63c447c670dd1d56d9f91af04adae7a5f61bfb1721630aea8d71c5243e304", kill_on_drop: false }`
[INFO] [stdout] b1d63c447c670dd1d56d9f91af04adae7a5f61bfb1721630aea8d71c5243e304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba148292fc69c7ce2e1216a3b604d577302124e7c8f5344da708f1afcdfb71e
[INFO] running `Command { std: "docker" "start" "-a" "bba148292fc69c7ce2e1216a3b604d577302124e7c8f5344da708f1afcdfb71e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling udev v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling usbenum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "bba148292fc69c7ce2e1216a3b604d577302124e7c8f5344da708f1afcdfb71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba148292fc69c7ce2e1216a3b604d577302124e7c8f5344da708f1afcdfb71e", kill_on_drop: false }`
[INFO] [stdout] bba148292fc69c7ce2e1216a3b604d577302124e7c8f5344da708f1afcdfb71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2009003b6c5d37629c135836472d2d258c9d18bdeefe0ff4df6cac18fc7c9cc1
[INFO] running `Command { std: "docker" "start" "-a" "2009003b6c5d37629c135836472d2d258c9d18bdeefe0ff4df6cac18fc7c9cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbenum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2009003b6c5d37629c135836472d2d258c9d18bdeefe0ff4df6cac18fc7c9cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2009003b6c5d37629c135836472d2d258c9d18bdeefe0ff4df6cac18fc7c9cc1", kill_on_drop: false }`
[INFO] [stdout] 2009003b6c5d37629c135836472d2d258c9d18bdeefe0ff4df6cac18fc7c9cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f838c8fe9c4575831a8b0436b17d510901ed0b17242c8d6a633b6dd314f51f4b
[INFO] running `Command { std: "docker" "start" "-a" "f838c8fe9c4575831a8b0436b17d510901ed0b17242c8d6a633b6dd314f51f4b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/usbenum-3bd4affcbd34aa1e)
[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 usbenum
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - list_connected_usb_drives (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f838c8fe9c4575831a8b0436b17d510901ed0b17242c8d6a633b6dd314f51f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f838c8fe9c4575831a8b0436b17d510901ed0b17242c8d6a633b6dd314f51f4b", kill_on_drop: false }`
[INFO] [stdout] f838c8fe9c4575831a8b0436b17d510901ed0b17242c8d6a633b6dd314f51f4b