[INFO] fetching crate queue-file 1.4.10...
[INFO] building queue-file-1.4.10 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate queue-file 1.4.10 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate queue-file 1.4.10
[INFO] finished tweaking crates.io crate queue-file 1.4.10
[INFO] tweaked toml for crates.io crate queue-file 1.4.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate queue-file 1.4.10 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding snafu v0.7.5 (available: v0.8.9)
[INFO] [stderr]       Adding test-case v2.2.2 (available: v3.3.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 6e3e33192b0b0003d1c6b80406593511254f3de6a67dd67dd7ef155d5dc3946f
[INFO] running `Command { std: "docker" "start" "-a" "6e3e33192b0b0003d1c6b80406593511254f3de6a67dd67dd7ef155d5dc3946f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3e33192b0b0003d1c6b80406593511254f3de6a67dd67dd7ef155d5dc3946f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3e33192b0b0003d1c6b80406593511254f3de6a67dd67dd7ef155d5dc3946f", kill_on_drop: false }`
[INFO] [stdout] 6e3e33192b0b0003d1c6b80406593511254f3de6a67dd67dd7ef155d5dc3946f
[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] a1c868fc6d5e204aa498153bde1bb5987a2ad12bded360b0a3871c1058753d7a
[INFO] running `Command { std: "docker" "start" "-a" "a1c868fc6d5e204aa498153bde1bb5987a2ad12bded360b0a3871c1058753d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling snafu v0.7.5
[INFO] [stderr]    Compiling queue-file v1.4.10 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/lib.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Io { source: std::io::Error },
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     unused_qualifications
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -     Io { source: std::io::Error },
[INFO] [stdout] 65 +     Io { source: io::Error },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `queue-file` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a1c868fc6d5e204aa498153bde1bb5987a2ad12bded360b0a3871c1058753d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c868fc6d5e204aa498153bde1bb5987a2ad12bded360b0a3871c1058753d7a", kill_on_drop: false }`
[INFO] [stdout] a1c868fc6d5e204aa498153bde1bb5987a2ad12bded360b0a3871c1058753d7a