[INFO] fetching crate usbd_mass_storage 0.1.0...
[INFO] testing usbd_mass_storage-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate usbd_mass_storage 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate usbd_mass_storage 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbd_mass_storage 0.1.0
[INFO] finished tweaking crates.io crate usbd_mass_storage 0.1.0
[INFO] tweaked toml for crates.io crate usbd_mass_storage 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c60d5979a3b1e99ca495fc277c3fb2a8b2a8eb7c2ccdf68acf8fe489751b1e6
[INFO] running `Command { std: "docker" "start" "-a" "6c60d5979a3b1e99ca495fc277c3fb2a8b2a8eb7c2ccdf68acf8fe489751b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c60d5979a3b1e99ca495fc277c3fb2a8b2a8eb7c2ccdf68acf8fe489751b1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c60d5979a3b1e99ca495fc277c3fb2a8b2a8eb7c2ccdf68acf8fe489751b1e6", kill_on_drop: false }`
[INFO] [stdout] 6c60d5979a3b1e99ca495fc277c3fb2a8b2a8eb7c2ccdf68acf8fe489751b1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9c8b458d2ba1029bb25dd08381049cfa60b1229794a55846fc7f797df1ce5e6
[INFO] running `Command { std: "docker" "start" "-a" "c9c8b458d2ba1029bb25dd08381049cfa60b1229794a55846fc7f797df1ce5e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling usb-device v0.2.8
[INFO] [stderr]    Compiling itm_logger v0.1.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]    Compiling packing v0.1.0
[INFO] [stderr]    Compiling usbd_mass_storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `Command { std: "docker" "inspect" "c9c8b458d2ba1029bb25dd08381049cfa60b1229794a55846fc7f797df1ce5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c8b458d2ba1029bb25dd08381049cfa60b1229794a55846fc7f797df1ce5e6", kill_on_drop: false }`
[INFO] [stdout] c9c8b458d2ba1029bb25dd08381049cfa60b1229794a55846fc7f797df1ce5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aea87e4ebdce37c24f6c9051f731b874fd886f2261fb279c4087cd2cfc047d3
[INFO] running `Command { std: "docker" "start" "-a" "2aea87e4ebdce37c24f6c9051f731b874fd886f2261fb279c4087cd2cfc047d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbd_mass_storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "2aea87e4ebdce37c24f6c9051f731b874fd886f2261fb279c4087cd2cfc047d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aea87e4ebdce37c24f6c9051f731b874fd886f2261fb279c4087cd2cfc047d3", kill_on_drop: false }`
[INFO] [stdout] 2aea87e4ebdce37c24f6c9051f731b874fd886f2261fb279c4087cd2cfc047d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c9e2fe04278c20663638adf130e5e19f3673c288039249d071a3d12e90a318b
[INFO] running `Command { std: "docker" "start" "-a" "4c9e2fe04278c20663638adf130e5e19f3673c288039249d071a3d12e90a318b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/usbd_mass_storage-49c27adc2ccb6452)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usbd_mass_storage
[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" "4c9e2fe04278c20663638adf130e5e19f3673c288039249d071a3d12e90a318b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9e2fe04278c20663638adf130e5e19f3673c288039249d071a3d12e90a318b", kill_on_drop: false }`
[INFO] [stdout] 4c9e2fe04278c20663638adf130e5e19f3673c288039249d071a3d12e90a318b