[INFO] fetching crate usbenum 0.1.0...
[INFO] building usbenum-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate usbenum 0.1.0 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbenum 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usbenum 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19222319c0651a03c177780ff1a2c41334b06de73ca2f62b25021795c4a2ee8b
[INFO] running `Command { std: "docker" "start" "-a" "19222319c0651a03c177780ff1a2c41334b06de73ca2f62b25021795c4a2ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19222319c0651a03c177780ff1a2c41334b06de73ca2f62b25021795c4a2ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19222319c0651a03c177780ff1a2c41334b06de73ca2f62b25021795c4a2ee8b", kill_on_drop: false }`
[INFO] [stdout] 19222319c0651a03c177780ff1a2c41334b06de73ca2f62b25021795c4a2ee8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c14a06bf2eb4573f27164eba065a74e7c944d087f9ed116982747bc7c86b736e
[INFO] running `Command { std: "docker" "start" "-a" "c14a06bf2eb4573f27164eba065a74e7c944d087f9ed116982747bc7c86b736e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[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 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` profile [optimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "c14a06bf2eb4573f27164eba065a74e7c944d087f9ed116982747bc7c86b736e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14a06bf2eb4573f27164eba065a74e7c944d087f9ed116982747bc7c86b736e", kill_on_drop: false }`
[INFO] [stdout] c14a06bf2eb4573f27164eba065a74e7c944d087f9ed116982747bc7c86b736e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e34a62fc59f812502b9bd9b208030170e5bf7258c379d218f4ff38093435ceb
[INFO] running `Command { std: "docker" "start" "-a" "5e34a62fc59f812502b9bd9b208030170e5bf7258c379d218f4ff38093435ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling usbenum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5e34a62fc59f812502b9bd9b208030170e5bf7258c379d218f4ff38093435ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e34a62fc59f812502b9bd9b208030170e5bf7258c379d218f4ff38093435ceb", kill_on_drop: false }`
[INFO] [stdout] 5e34a62fc59f812502b9bd9b208030170e5bf7258c379d218f4ff38093435ceb