[INFO] fetching crate usbd_bulk_only_transport 0.1.0...
[INFO] testing usbd_bulk_only_transport-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate usbd_bulk_only_transport 0.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate usbd_bulk_only_transport 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbd_bulk_only_transport 0.1.0
[INFO] finished tweaking crates.io crate usbd_bulk_only_transport 0.1.0
[INFO] tweaked toml for crates.io crate usbd_bulk_only_transport 0.1.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec6bd8bdb375d16be9a2d6e36c22af4f295da811e6c6db2d371de11ba68a6c5a
[INFO] running `Command { std: "docker" "start" "-a" "ec6bd8bdb375d16be9a2d6e36c22af4f295da811e6c6db2d371de11ba68a6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec6bd8bdb375d16be9a2d6e36c22af4f295da811e6c6db2d371de11ba68a6c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6bd8bdb375d16be9a2d6e36c22af4f295da811e6c6db2d371de11ba68a6c5a", kill_on_drop: false }`
[INFO] [stdout] ec6bd8bdb375d16be9a2d6e36c22af4f295da811e6c6db2d371de11ba68a6c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c9e8977579954536fb8c0f5a52eec2b43990cbb59cc35dd6b77f40658d344c4
[INFO] running `Command { std: "docker" "start" "-a" "5c9e8977579954536fb8c0f5a52eec2b43990cbb59cc35dd6b77f40658d344c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling typenum v1.14.0
[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 v0.2.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]    Compiling packing v0.1.0
[INFO] [stderr]    Compiling usbd_mass_storage v0.1.0
[INFO] [stderr]    Compiling usbd_bulk_only_transport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "5c9e8977579954536fb8c0f5a52eec2b43990cbb59cc35dd6b77f40658d344c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9e8977579954536fb8c0f5a52eec2b43990cbb59cc35dd6b77f40658d344c4", kill_on_drop: false }`
[INFO] [stdout] 5c9e8977579954536fb8c0f5a52eec2b43990cbb59cc35dd6b77f40658d344c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cafa1af1860d51a596f4822ee955215631529788a3fdd979af97fbe69deec3e2
[INFO] running `Command { std: "docker" "start" "-a" "cafa1af1860d51a596f4822ee955215631529788a3fdd979af97fbe69deec3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbd_bulk_only_transport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "cafa1af1860d51a596f4822ee955215631529788a3fdd979af97fbe69deec3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafa1af1860d51a596f4822ee955215631529788a3fdd979af97fbe69deec3e2", kill_on_drop: false }`
[INFO] [stdout] cafa1af1860d51a596f4822ee955215631529788a3fdd979af97fbe69deec3e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fcb1660564d7ff1292fd2cebbedfd8f98bc50a60324b54056a326dfa837d165
[INFO] running `Command { std: "docker" "start" "-a" "0fcb1660564d7ff1292fd2cebbedfd8f98bc50a60324b54056a326dfa837d165", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/usbd_bulk_only_transport-9dc9f167ac9bd189)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bulk_only_transport::command_block_wrapper::test_truncate_to_signature ... 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] [stderr]    Doc-tests usbd_bulk_only_transport
[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" "0fcb1660564d7ff1292fd2cebbedfd8f98bc50a60324b54056a326dfa837d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcb1660564d7ff1292fd2cebbedfd8f98bc50a60324b54056a326dfa837d165", kill_on_drop: false }`
[INFO] [stdout] 0fcb1660564d7ff1292fd2cebbedfd8f98bc50a60324b54056a326dfa837d165