[INFO] cloning repository https://github.com/hobo1618/kefir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobo1618/kefir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobo1618%2Fkefir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobo1618%2Fkefir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc6aa020f2cb992e07bedc50aa5197df63a54f3b
[INFO] checking hobo1618/kefir against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobo1618%2Fkefir" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/hobo1618/kefir 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 git repo https://github.com/hobo1618/kefir
[INFO] finished tweaking git repo https://github.com/hobo1618/kefir
[INFO] tweaked toml for git repo https://github.com/hobo1618/kefir written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hobo1618/kefir 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5308079603fbacfbb34da9f0f20e90e810989ba5754fb494be52c3e4a1362f16
[INFO] running `Command { std: "docker" "start" "-a" "5308079603fbacfbb34da9f0f20e90e810989ba5754fb494be52c3e4a1362f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5308079603fbacfbb34da9f0f20e90e810989ba5754fb494be52c3e4a1362f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5308079603fbacfbb34da9f0f20e90e810989ba5754fb494be52c3e4a1362f16", kill_on_drop: false }`
[INFO] [stdout] 5308079603fbacfbb34da9f0f20e90e810989ba5754fb494be52c3e4a1362f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2478a37d2f78ecbdf7741c02aea0e3d3675de9917b80576354beb2b131c4676
[INFO] running `Command { std: "docker" "start" "-a" "c2478a37d2f78ecbdf7741c02aea0e3d3675de9917b80576354beb2b131c4676", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.23.0
[INFO] [stderr]     Checking kefir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "c2478a37d2f78ecbdf7741c02aea0e3d3675de9917b80576354beb2b131c4676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2478a37d2f78ecbdf7741c02aea0e3d3675de9917b80576354beb2b131c4676", kill_on_drop: false }`
[INFO] [stdout] c2478a37d2f78ecbdf7741c02aea0e3d3675de9917b80576354beb2b131c4676
[INFO] checking hobo1618/kefir against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobo1618%2Fkefir" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (769/769), done.
[INFO] validating manifest of git repo https://github.com/hobo1618/kefir 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 git repo https://github.com/hobo1618/kefir
[INFO] finished tweaking git repo https://github.com/hobo1618/kefir
[INFO] tweaked toml for git repo https://github.com/hobo1618/kefir written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hobo1618/kefir 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 29ff3144bb0776b45ba5209de16c581846a3a5a4044633703fadec4bd5776d38
[INFO] running `Command { std: "docker" "start" "-a" "29ff3144bb0776b45ba5209de16c581846a3a5a4044633703fadec4bd5776d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ff3144bb0776b45ba5209de16c581846a3a5a4044633703fadec4bd5776d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ff3144bb0776b45ba5209de16c581846a3a5a4044633703fadec4bd5776d38", kill_on_drop: false }`
[INFO] [stdout] 29ff3144bb0776b45ba5209de16c581846a3a5a4044633703fadec4bd5776d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d2525a307914b169a59d62be6fa150f9bbfdb0796f1f5dbcba20955232e1bbd7
[INFO] running `Command { std: "docker" "start" "-a" "d2525a307914b169a59d62be6fa150f9bbfdb0796f1f5dbcba20955232e1bbd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking time v0.3.28
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.23.0
[INFO] [stderr]     Checking kefir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "d2525a307914b169a59d62be6fa150f9bbfdb0796f1f5dbcba20955232e1bbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2525a307914b169a59d62be6fa150f9bbfdb0796f1f5dbcba20955232e1bbd7", kill_on_drop: false }`
[INFO] [stdout] d2525a307914b169a59d62be6fa150f9bbfdb0796f1f5dbcba20955232e1bbd7