[INFO] fetching crate quickgc 0.1.9...
[INFO] checking quickgc-0.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate quickgc 0.1.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate quickgc 0.1.9 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 quickgc 0.1.9
[INFO] finished tweaking crates.io crate quickgc 0.1.9
[INFO] tweaked toml for crates.io crate quickgc 0.1.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate quickgc 0.1.9 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 newline-converter v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.68
[INFO] [stderr]   Downloaded inquire v0.2.1
[INFO] [stderr]   Downloaded rustix v0.38.17
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] [stderr]   Downloaded regex v1.10.1
[INFO] [stderr]   Downloaded regex-automata v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 66926deeeb24d3d206e6120d2653d7f27be0538c72f57f48fd96679d762c9abf
[INFO] running `Command { std: "docker" "start" "-a" "66926deeeb24d3d206e6120d2653d7f27be0538c72f57f48fd96679d762c9abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66926deeeb24d3d206e6120d2653d7f27be0538c72f57f48fd96679d762c9abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66926deeeb24d3d206e6120d2653d7f27be0538c72f57f48fd96679d762c9abf", kill_on_drop: false }`
[INFO] [stdout] 66926deeeb24d3d206e6120d2653d7f27be0538c72f57f48fd96679d762c9abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 89dcdfc9a400a432d2944459650e7247038c28c47fd2fc977dc013b6ce45e288
[INFO] running `Command { std: "docker" "start" "-a" "89dcdfc9a400a432d2944459650e7247038c28c47fd2fc977dc013b6ce45e288", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking regex-automata v0.4.2
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking regex v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking thiserror v1.0.49
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking quickgc v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.24s
[INFO] running `Command { std: "docker" "inspect" "89dcdfc9a400a432d2944459650e7247038c28c47fd2fc977dc013b6ce45e288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dcdfc9a400a432d2944459650e7247038c28c47fd2fc977dc013b6ce45e288", kill_on_drop: false }`
[INFO] [stdout] 89dcdfc9a400a432d2944459650e7247038c28c47fd2fc977dc013b6ce45e288
[INFO] checking quickgc-0.1.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate quickgc 0.1.9 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate quickgc 0.1.9 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 quickgc 0.1.9
[INFO] finished tweaking crates.io crate quickgc 0.1.9
[INFO] tweaked toml for crates.io crate quickgc 0.1.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate quickgc 0.1.9 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9672f46d14e8c7573830b01b4c37285ba9154cb33381324102037c1b98529236
[INFO] running `Command { std: "docker" "start" "-a" "9672f46d14e8c7573830b01b4c37285ba9154cb33381324102037c1b98529236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9672f46d14e8c7573830b01b4c37285ba9154cb33381324102037c1b98529236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9672f46d14e8c7573830b01b4c37285ba9154cb33381324102037c1b98529236", kill_on_drop: false }`
[INFO] [stdout] 9672f46d14e8c7573830b01b4c37285ba9154cb33381324102037c1b98529236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 680bb50f830d76c50687dc7e34c8a52031c76ba576f3c8194ea968474d604c4c
[INFO] running `Command { std: "docker" "start" "-a" "680bb50f830d76c50687dc7e34c8a52031c76ba576f3c8194ea968474d604c4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking regex-automata v0.4.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking regex v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking thiserror v1.0.49
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking quickgc v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.31s
[INFO] running `Command { std: "docker" "inspect" "680bb50f830d76c50687dc7e34c8a52031c76ba576f3c8194ea968474d604c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680bb50f830d76c50687dc7e34c8a52031c76ba576f3c8194ea968474d604c4c", kill_on_drop: false }`
[INFO] [stdout] 680bb50f830d76c50687dc7e34c8a52031c76ba576f3c8194ea968474d604c4c