[INFO] fetching crate quick_from 0.1.0...
[INFO] checking quick_from-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate quick_from 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate quick_from 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quick_from 0.1.0
[INFO] finished tweaking crates.io crate quick_from 0.1.0
[INFO] tweaked toml for crates.io crate quick_from 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate quick_from 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c9af8e76db2dd6ce5d7d8d217e306c7097df240c61228dcdb0d47c6f62a2fd
[INFO] running `Command { std: "docker" "start" "-a" "93c9af8e76db2dd6ce5d7d8d217e306c7097df240c61228dcdb0d47c6f62a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c9af8e76db2dd6ce5d7d8d217e306c7097df240c61228dcdb0d47c6f62a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c9af8e76db2dd6ce5d7d8d217e306c7097df240c61228dcdb0d47c6f62a2fd", kill_on_drop: false }`
[INFO] [stdout] 93c9af8e76db2dd6ce5d7d8d217e306c7097df240c61228dcdb0d47c6f62a2fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e2e69234c23cd50c72d17e20e2c7ed9322dd0504547a8c5291d51f52cc16bb
[INFO] running `Command { std: "docker" "start" "-a" "87e2e69234c23cd50c72d17e20e2c7ed9322dd0504547a8c5291d51f52cc16bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking quick_from v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]  --> tests/test1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     B,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]  --> tests/test1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     C,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> tests/test1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Y`
[INFO] [stdout]   --> tests/test1.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Y,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Z`
[INFO] [stdout]   --> tests/test1.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Z,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `Command { std: "docker" "inspect" "87e2e69234c23cd50c72d17e20e2c7ed9322dd0504547a8c5291d51f52cc16bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e2e69234c23cd50c72d17e20e2c7ed9322dd0504547a8c5291d51f52cc16bb", kill_on_drop: false }`
[INFO] [stdout] 87e2e69234c23cd50c72d17e20e2c7ed9322dd0504547a8c5291d51f52cc16bb