[INFO] cloning repository https://github.com/isenar/perg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isenar/perg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisenar%2Fperg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisenar%2Fperg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 742a02e082af76b7eb614c2084ced8c44a5c66dc
[INFO] checking isenar/perg against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisenar%2Fperg" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isenar/perg 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/isenar/perg
[INFO] finished tweaking git repo https://github.com/isenar/perg
[INFO] tweaked toml for git repo https://github.com/isenar/perg written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/isenar/perg 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]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case-macros v2.1.0
[INFO] [stderr]   Downloaded test-case v2.1.0
[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] 234c5c713bb67bcefcffcebe2ee93702d5dcf3a6c78f62d57e73bddffcab66fa
[INFO] running `Command { std: "docker" "start" "-a" "234c5c713bb67bcefcffcebe2ee93702d5dcf3a6c78f62d57e73bddffcab66fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234c5c713bb67bcefcffcebe2ee93702d5dcf3a6c78f62d57e73bddffcab66fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234c5c713bb67bcefcffcebe2ee93702d5dcf3a6c78f62d57e73bddffcab66fa", kill_on_drop: false }`
[INFO] [stdout] 234c5c713bb67bcefcffcebe2ee93702d5dcf3a6c78f62d57e73bddffcab66fa
[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] 88b1d073a3059b22e9477e20d6e40f0c8128b90ec9a06f4a037d62c4271c4e44
[INFO] running `Command { std: "docker" "start" "-a" "88b1d073a3059b22e9477e20d6e40f0c8128b90ec9a06f4a037d62c4271c4e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling test-case-macros v2.1.0
[INFO] [stderr]     Checking test-case v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking perg-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking perg v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "88b1d073a3059b22e9477e20d6e40f0c8128b90ec9a06f4a037d62c4271c4e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b1d073a3059b22e9477e20d6e40f0c8128b90ec9a06f4a037d62c4271c4e44", kill_on_drop: false }`
[INFO] [stdout] 88b1d073a3059b22e9477e20d6e40f0c8128b90ec9a06f4a037d62c4271c4e44
[INFO] checking isenar/perg against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisenar%2Fperg" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isenar/perg 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/isenar/perg
[INFO] finished tweaking git repo https://github.com/isenar/perg
[INFO] tweaked toml for git repo https://github.com/isenar/perg written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/isenar/perg 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] 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] c133aaff88dea5a90c00d33ffc7b969b5bf1e9b5fd317c5366938a33b3d6bce1
[INFO] running `Command { std: "docker" "start" "-a" "c133aaff88dea5a90c00d33ffc7b969b5bf1e9b5fd317c5366938a33b3d6bce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c133aaff88dea5a90c00d33ffc7b969b5bf1e9b5fd317c5366938a33b3d6bce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c133aaff88dea5a90c00d33ffc7b969b5bf1e9b5fd317c5366938a33b3d6bce1", kill_on_drop: false }`
[INFO] [stdout] c133aaff88dea5a90c00d33ffc7b969b5bf1e9b5fd317c5366938a33b3d6bce1
[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] 1e4f8b35b3b0d30dec446b1b9bebcb54ca5ff2e8a2b3326210873f1dfcb09b87
[INFO] running `Command { std: "docker" "start" "-a" "1e4f8b35b3b0d30dec446b1b9bebcb54ca5ff2e8a2b3326210873f1dfcb09b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling test-case-macros v2.1.0
[INFO] [stderr]     Checking test-case v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking perg-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking perg v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `Command { std: "docker" "inspect" "1e4f8b35b3b0d30dec446b1b9bebcb54ca5ff2e8a2b3326210873f1dfcb09b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4f8b35b3b0d30dec446b1b9bebcb54ca5ff2e8a2b3326210873f1dfcb09b87", kill_on_drop: false }`
[INFO] [stdout] 1e4f8b35b3b0d30dec446b1b9bebcb54ca5ff2e8a2b3326210873f1dfcb09b87