[INFO] fetching crate lexer 0.1.16...
[INFO] checking lexer-0.1.16 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate lexer 0.1.16 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lexer 0.1.16 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexer 0.1.16
[INFO] finished tweaking crates.io crate lexer 0.1.16
[INFO] tweaked toml for crates.io crate lexer 0.1.16 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate lexer 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded peek-nth v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded smallvec v0.6.1
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cd439560cec0c2df7e0dae666432d420526d5f3cd80071267d73c05dd08fc3
[INFO] running `Command { std: "docker" "start" "-a" "92cd439560cec0c2df7e0dae666432d420526d5f3cd80071267d73c05dd08fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cd439560cec0c2df7e0dae666432d420526d5f3cd80071267d73c05dd08fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cd439560cec0c2df7e0dae666432d420526d5f3cd80071267d73c05dd08fc3", kill_on_drop: false }`
[INFO] [stdout] 92cd439560cec0c2df7e0dae666432d420526d5f3cd80071267d73c05dd08fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30df1a9c96a27fb9be45b7071cb0ddfa9dc9c06e36f8de662c7f70f7c6c9adbd
[INFO] running `Command { std: "docker" "start" "-a" "30df1a9c96a27fb9be45b7071cb0ddfa9dc9c06e36f8de662c7f70f7c6c9adbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking peek-nth v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking lexer v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "30df1a9c96a27fb9be45b7071cb0ddfa9dc9c06e36f8de662c7f70f7c6c9adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30df1a9c96a27fb9be45b7071cb0ddfa9dc9c06e36f8de662c7f70f7c6c9adbd", kill_on_drop: false }`
[INFO] [stdout] 30df1a9c96a27fb9be45b7071cb0ddfa9dc9c06e36f8de662c7f70f7c6c9adbd