[INFO] fetching crate modern-terminal 0.7.0...
[INFO] checking modern-terminal-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate modern-terminal 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate modern-terminal 0.7.0 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 modern-terminal 0.7.0
[INFO] finished tweaking crates.io crate modern-terminal 0.7.0
[INFO] tweaked toml for crates.io crate modern-terminal 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate modern-terminal 0.7.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lipsum v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 62c3f091f91996c54eecd3bc9ddde7ae9dd1102e6913302fc032a0f4e7b43bfb
[INFO] running `Command { std: "docker" "start" "-a" "62c3f091f91996c54eecd3bc9ddde7ae9dd1102e6913302fc032a0f4e7b43bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c3f091f91996c54eecd3bc9ddde7ae9dd1102e6913302fc032a0f4e7b43bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c3f091f91996c54eecd3bc9ddde7ae9dd1102e6913302fc032a0f4e7b43bfb", kill_on_drop: false }`
[INFO] [stdout] 62c3f091f91996c54eecd3bc9ddde7ae9dd1102e6913302fc032a0f4e7b43bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2f50810eb6d6784b95e46a80a184a6ab7da0fccb8d4e26102131776f95216f98
[INFO] running `Command { std: "docker" "start" "-a" "2f50810eb6d6784b95e46a80a184a6ab7da0fccb8d4e26102131776f95216f98", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking lipsum v0.8.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking modern-terminal v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "2f50810eb6d6784b95e46a80a184a6ab7da0fccb8d4e26102131776f95216f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f50810eb6d6784b95e46a80a184a6ab7da0fccb8d4e26102131776f95216f98", kill_on_drop: false }`
[INFO] [stdout] 2f50810eb6d6784b95e46a80a184a6ab7da0fccb8d4e26102131776f95216f98
[INFO] checking modern-terminal-0.7.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate modern-terminal 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate modern-terminal 0.7.0 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 modern-terminal 0.7.0
[INFO] finished tweaking crates.io crate modern-terminal 0.7.0
[INFO] tweaked toml for crates.io crate modern-terminal 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate modern-terminal 0.7.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6f3d4076f35b4162ab30bd221ac377a05229687b397d286e6e40b64122b30eca
[INFO] running `Command { std: "docker" "start" "-a" "6f3d4076f35b4162ab30bd221ac377a05229687b397d286e6e40b64122b30eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3d4076f35b4162ab30bd221ac377a05229687b397d286e6e40b64122b30eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3d4076f35b4162ab30bd221ac377a05229687b397d286e6e40b64122b30eca", kill_on_drop: false }`
[INFO] [stdout] 6f3d4076f35b4162ab30bd221ac377a05229687b397d286e6e40b64122b30eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4da80896dcd18d2d1f7f27d19b5986306becf868ad13e880b12c1b9262d0104a
[INFO] running `Command { std: "docker" "start" "-a" "4da80896dcd18d2d1f7f27d19b5986306becf868ad13e880b12c1b9262d0104a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking lipsum v0.8.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking modern-terminal v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "4da80896dcd18d2d1f7f27d19b5986306becf868ad13e880b12c1b9262d0104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da80896dcd18d2d1f7f27d19b5986306becf868ad13e880b12c1b9262d0104a", kill_on_drop: false }`
[INFO] [stdout] 4da80896dcd18d2d1f7f27d19b5986306becf868ad13e880b12c1b9262d0104a