[INFO] fetching crate keyword-parser 0.0.3...
[INFO] checking keyword-parser-0.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate keyword-parser 0.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate keyword-parser 0.0.3 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 keyword-parser 0.0.3
[INFO] finished tweaking crates.io crate keyword-parser 0.0.3
[INFO] tweaked toml for crates.io crate keyword-parser 0.0.3 written to /workspace/builds/worker-2-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 11 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 disuse v0.0.2
[INFO] [stderr]   Downloaded const-array-attrs v0.0.3
[INFO] [stderr]   Downloaded transition-table v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a2fa9b0e8b43f02d3b84adaaed1b0846e370d15c9c29e1fc09e7b8ad4a133ea6
[INFO] running `Command { std: "docker" "start" "-a" "a2fa9b0e8b43f02d3b84adaaed1b0846e370d15c9c29e1fc09e7b8ad4a133ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2fa9b0e8b43f02d3b84adaaed1b0846e370d15c9c29e1fc09e7b8ad4a133ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fa9b0e8b43f02d3b84adaaed1b0846e370d15c9c29e1fc09e7b8ad4a133ea6", kill_on_drop: false }`
[INFO] [stdout] a2fa9b0e8b43f02d3b84adaaed1b0846e370d15c9c29e1fc09e7b8ad4a133ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 445004f9a651328d191270fc456fb2a1cffb511d0a6afdffad6be4ef1d575a3a
[INFO] running `Command { std: "docker" "start" "-a" "445004f9a651328d191270fc456fb2a1cffb511d0a6afdffad6be4ef1d575a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling transition-table v0.0.3
[INFO] [stderr]    Compiling disuse v0.0.2
[INFO] [stderr]    Compiling const-array-attrs v0.0.3
[INFO] [stderr]     Checking keyword-parser v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "445004f9a651328d191270fc456fb2a1cffb511d0a6afdffad6be4ef1d575a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445004f9a651328d191270fc456fb2a1cffb511d0a6afdffad6be4ef1d575a3a", kill_on_drop: false }`
[INFO] [stdout] 445004f9a651328d191270fc456fb2a1cffb511d0a6afdffad6be4ef1d575a3a
[INFO] checking keyword-parser-0.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate keyword-parser 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate keyword-parser 0.0.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keyword-parser 0.0.3
[INFO] finished tweaking crates.io crate keyword-parser 0.0.3
[INFO] tweaked toml for crates.io crate keyword-parser 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d9b8c810b4ebcda299ff8ede53914a07c3589aeea31dae4545a49d6eb729cbf
[INFO] running `Command { std: "docker" "start" "-a" "1d9b8c810b4ebcda299ff8ede53914a07c3589aeea31dae4545a49d6eb729cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9b8c810b4ebcda299ff8ede53914a07c3589aeea31dae4545a49d6eb729cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9b8c810b4ebcda299ff8ede53914a07c3589aeea31dae4545a49d6eb729cbf", kill_on_drop: false }`
[INFO] [stdout] 1d9b8c810b4ebcda299ff8ede53914a07c3589aeea31dae4545a49d6eb729cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d10fbaff40d319af511428e62e55abd2c14f25d48488a7637627d3786fa536
[INFO] running `Command { std: "docker" "start" "-a" "f0d10fbaff40d319af511428e62e55abd2c14f25d48488a7637627d3786fa536", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling disuse v0.0.2
[INFO] [stderr]     Checking transition-table v0.0.3
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling const-array-attrs v0.0.3
[INFO] [stderr]     Checking keyword-parser v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "f0d10fbaff40d319af511428e62e55abd2c14f25d48488a7637627d3786fa536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d10fbaff40d319af511428e62e55abd2c14f25d48488a7637627d3786fa536", kill_on_drop: false }`
[INFO] [stdout] f0d10fbaff40d319af511428e62e55abd2c14f25d48488a7637627d3786fa536