[INFO] fetching crate gen_value 0.7.0...
[INFO] checking gen_value-0.7.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate gen_value 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate gen_value 0.7.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gen_value 0.7.0
[INFO] finished tweaking crates.io crate gen_value 0.7.0
[INFO] tweaked toml for crates.io crate gen_value 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 815134b9707daf806069a444bc79361d7ec0a1a400fae7ba5d003f36b42f14ae
[INFO] running `Command { std: "docker" "start" "-a" "815134b9707daf806069a444bc79361d7ec0a1a400fae7ba5d003f36b42f14ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "815134b9707daf806069a444bc79361d7ec0a1a400fae7ba5d003f36b42f14ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815134b9707daf806069a444bc79361d7ec0a1a400fae7ba5d003f36b42f14ae", kill_on_drop: false }`
[INFO] [stdout] 815134b9707daf806069a444bc79361d7ec0a1a400fae7ba5d003f36b42f14ae
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ecd39aa3c3af52b418b2eec222ea57674683b1d1d7c974c3a930db81c7687d
[INFO] running `Command { std: "docker" "start" "-a" "04ecd39aa3c3af52b418b2eec222ea57674683b1d1d7c974c3a930db81c7687d", kill_on_drop: false }`
[INFO] [stderr]     Checking gen_value v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:120:50
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> core::fmt::Result {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout] 16  |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 120 -     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> core::fmt::Result {
[INFO] [stdout] 120 +     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:120:50
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> core::fmt::Result {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:5
[INFO] [stdout]     |
[INFO] [stdout] 16  |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 120 -     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> core::fmt::Result {
[INFO] [stdout] 120 +     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "04ecd39aa3c3af52b418b2eec222ea57674683b1d1d7c974c3a930db81c7687d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ecd39aa3c3af52b418b2eec222ea57674683b1d1d7c974c3a930db81c7687d", kill_on_drop: false }`
[INFO] [stdout] 04ecd39aa3c3af52b418b2eec222ea57674683b1d1d7c974c3a930db81c7687d