[INFO] fetching crate gtp-parser-generator 0.1.0...
[INFO] checking gtp-parser-generator-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gtp-parser-generator 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gtp-parser-generator 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gtp-parser-generator 0.1.0
[INFO] finished tweaking crates.io crate gtp-parser-generator 0.1.0
[INFO] tweaked toml for crates.io crate gtp-parser-generator 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pom v1.1.0 (latest: v3.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded pom v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bc2de0f9c438873c075317fa7d08c76f1731843f1beb2ac58be467e7629ce76
[INFO] running `Command { std: "docker" "start" "-a" "9bc2de0f9c438873c075317fa7d08c76f1731843f1beb2ac58be467e7629ce76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bc2de0f9c438873c075317fa7d08c76f1731843f1beb2ac58be467e7629ce76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc2de0f9c438873c075317fa7d08c76f1731843f1beb2ac58be467e7629ce76", kill_on_drop: false }`
[INFO] [stdout] 9bc2de0f9c438873c075317fa7d08c76f1731843f1beb2ac58be467e7629ce76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f25b51f36c80c52f8a766f5e35d860d6334155f8b219fbc6eec81c245dc4aa
[INFO] running `Command { std: "docker" "start" "-a" "f1f25b51f36c80c52f8a766f5e35d860d6334155f8b219fbc6eec81c245dc4aa", kill_on_drop: false }`
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking gtp-parser-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `first`
[INFO] [stdout]  --> src/macros.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | macro_rules! first {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `replace_expr`
[INFO] [stdout]  --> src/macros.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | macro_rules! replace_expr {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `commands`
[INFO] [stdout]   --> src/macros.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! commands {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "f1f25b51f36c80c52f8a766f5e35d860d6334155f8b219fbc6eec81c245dc4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f25b51f36c80c52f8a766f5e35d860d6334155f8b219fbc6eec81c245dc4aa", kill_on_drop: false }`
[INFO] [stdout] f1f25b51f36c80c52f8a766f5e35d860d6334155f8b219fbc6eec81c245dc4aa