[INFO] fetching crate rlex 0.1.15...
[INFO] checking rlex-0.1.15 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate rlex 0.1.15 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rlex 0.1.15
[INFO] finished tweaking crates.io crate rlex 0.1.15
[INFO] tweaked toml for crates.io crate rlex 0.1.15 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlex 0.1.15 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c498cac40a26d7ff371fb03878c5ee7092aff7d1eea33a8c49ff9b2095dce66
[INFO] running `Command { std: "docker" "start" "-a" "8c498cac40a26d7ff371fb03878c5ee7092aff7d1eea33a8c49ff9b2095dce66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c498cac40a26d7ff371fb03878c5ee7092aff7d1eea33a8c49ff9b2095dce66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c498cac40a26d7ff371fb03878c5ee7092aff7d1eea33a8c49ff9b2095dce66", kill_on_drop: false }`
[INFO] [stdout] 8c498cac40a26d7ff371fb03878c5ee7092aff7d1eea33a8c49ff9b2095dce66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ddaa50f83f133b38198268242ebb3550af3497e91bff4a89d74a81839db1993
[INFO] running `Command { std: "docker" "start" "-a" "0ddaa50f83f133b38198268242ebb3550af3497e91bff4a89d74a81839db1993", kill_on_drop: false }`
[INFO] [stderr]     Checking rlex v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]    --> src/lib.rs:541:6
[INFO] [stdout]     |
[INFO] [stdout] 541 | enum State {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]    --> src/lib.rs:548:6
[INFO] [stdout]     |
[INFO] [stdout] 548 | enum Token {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Closed` is never constructed
[INFO] [stdout]    --> src/lib.rs:544:5
[INFO] [stdout]     |
[INFO] [stdout] 541 | enum State {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 544 |     Closed,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Tok3` is never constructed
[INFO] [stdout]    --> src/lib.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 548 | enum Token {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 551 |     Tok3,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0ddaa50f83f133b38198268242ebb3550af3497e91bff4a89d74a81839db1993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddaa50f83f133b38198268242ebb3550af3497e91bff4a89d74a81839db1993", kill_on_drop: false }`
[INFO] [stdout] 0ddaa50f83f133b38198268242ebb3550af3497e91bff4a89d74a81839db1993