[INFO] fetching crate forth-lexer 0.1.1...
[INFO] checking forth-lexer-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate forth-lexer 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate forth-lexer 0.1.1
[INFO] finished tweaking crates.io crate forth-lexer 0.1.1
[INFO] tweaked toml for crates.io crate forth-lexer 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate forth-lexer 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c300fc0215f08c7c2c6376b3e984dc4f3eed5f3490d4f205b407c12428667f3e
[INFO] running `Command { std: "docker" "start" "-a" "c300fc0215f08c7c2c6376b3e984dc4f3eed5f3490d4f205b407c12428667f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c300fc0215f08c7c2c6376b3e984dc4f3eed5f3490d4f205b407c12428667f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c300fc0215f08c7c2c6376b3e984dc4f3eed5f3490d4f205b407c12428667f3e", kill_on_drop: false }`
[INFO] [stdout] c300fc0215f08c7c2c6376b3e984dc4f3eed5f3490d4f205b407c12428667f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5e6ad2f3d01739d61351ba8f52bc31516c242a669641445f12c25b5efd9e12a
[INFO] running `Command { std: "docker" "start" "-a" "d5e6ad2f3d01739d61351ba8f52bc31516c242a669641445f12c25b5efd9e12a", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking forth-lexer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/parser.rs:240:15
[INFO] [stdout]     |
[INFO] [stdout] 240 |         while let Ok(tok) = self.next_token() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/parser.rs:240:15
[INFO] [stdout]     |
[INFO] [stdout] 240 |         while let Ok(tok) = self.next_token() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "d5e6ad2f3d01739d61351ba8f52bc31516c242a669641445f12c25b5efd9e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e6ad2f3d01739d61351ba8f52bc31516c242a669641445f12c25b5efd9e12a", kill_on_drop: false }`
[INFO] [stdout] d5e6ad2f3d01739d61351ba8f52bc31516c242a669641445f12c25b5efd9e12a