[INFO] fetching crate usbd_mass_storage 0.1.0...
[INFO] building usbd_mass_storage-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate usbd_mass_storage 0.1.0 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbd_mass_storage 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding packing v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding usb-device v0.2.9 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0644bd21863691a23f15f9c75c8c72ab08babd94084f1400ee8a9eb73eebbf4
[INFO] running `Command { std: "docker" "start" "-a" "e0644bd21863691a23f15f9c75c8c72ab08babd94084f1400ee8a9eb73eebbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0644bd21863691a23f15f9c75c8c72ab08babd94084f1400ee8a9eb73eebbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0644bd21863691a23f15f9c75c8c72ab08babd94084f1400ee8a9eb73eebbf4", kill_on_drop: false }`
[INFO] [stdout] e0644bd21863691a23f15f9c75c8c72ab08babd94084f1400ee8a9eb73eebbf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b586b9cfe243dc88c785d02451fe819e5e9b35635901962e14c0159abe48adaa
[INFO] running `Command { std: "docker" "start" "-a" "b586b9cfe243dc88c785d02451fe819e5e9b35635901962e14c0159abe48adaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling itm_logger v0.1.2
[INFO] [stderr]    Compiling usb-device v0.2.9
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling packing v0.1.0
[INFO] [stderr]    Compiling usbd_mass_storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itm_logger::*`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub use itm_logger::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "b586b9cfe243dc88c785d02451fe819e5e9b35635901962e14c0159abe48adaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b586b9cfe243dc88c785d02451fe819e5e9b35635901962e14c0159abe48adaa", kill_on_drop: false }`
[INFO] [stdout] b586b9cfe243dc88c785d02451fe819e5e9b35635901962e14c0159abe48adaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b510e74d40a937f2f72571a0004f507179f7af1eec87a3650aa073f2117b8f9e
[INFO] running `Command { std: "docker" "start" "-a" "b510e74d40a937f2f72571a0004f507179f7af1eec87a3650aa073f2117b8f9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbd_mass_storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itm_logger::*`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub use itm_logger::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itm_logger::*`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub use itm_logger::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b510e74d40a937f2f72571a0004f507179f7af1eec87a3650aa073f2117b8f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b510e74d40a937f2f72571a0004f507179f7af1eec87a3650aa073f2117b8f9e", kill_on_drop: false }`
[INFO] [stdout] b510e74d40a937f2f72571a0004f507179f7af1eec87a3650aa073f2117b8f9e