[INFO] cloning repository https://github.com/DISTREAT/rwdr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DISTREAT/rwdr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Frwdr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Frwdr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 804e69180ed0d27091aad0c110bb62cfa0c319de
[INFO] checking DISTREAT/rwdr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Frwdr" "/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/DISTREAT/rwdr 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/DISTREAT/rwdr
[INFO] finished tweaking git repo https://github.com/DISTREAT/rwdr
[INFO] tweaked toml for git repo https://github.com/DISTREAT/rwdr written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DISTREAT/rwdr 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md5-rs v0.1.5
[INFO] [stderr]   Downloaded newtype_array v0.1.6
[INFO] [stderr]   Downloaded mtree v0.5.0
[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] c2751c84372f084194bc2ccf629b1f05ac40c17b778998eb3fa4003ef6e38786
[INFO] running `Command { std: "docker" "start" "-a" "c2751c84372f084194bc2ccf629b1f05ac40c17b778998eb3fa4003ef6e38786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2751c84372f084194bc2ccf629b1f05ac40c17b778998eb3fa4003ef6e38786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2751c84372f084194bc2ccf629b1f05ac40c17b778998eb3fa4003ef6e38786", kill_on_drop: false }`
[INFO] [stdout] c2751c84372f084194bc2ccf629b1f05ac40c17b778998eb3fa4003ef6e38786
[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] d22e45250a21442cf50b7940d832acbb81704dcbfab6b776b0f5a4e63711fac9
[INFO] running `Command { std: "docker" "start" "-a" "d22e45250a21442cf50b7940d832acbb81704dcbfab6b776b0f5a4e63711fac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking newtype_array v0.1.6
[INFO] [stderr]     Checking md5-rs v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking mtree v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking rwdr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "d22e45250a21442cf50b7940d832acbb81704dcbfab6b776b0f5a4e63711fac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22e45250a21442cf50b7940d832acbb81704dcbfab6b776b0f5a4e63711fac9", kill_on_drop: false }`
[INFO] [stdout] d22e45250a21442cf50b7940d832acbb81704dcbfab6b776b0f5a4e63711fac9
[INFO] checking DISTREAT/rwdr against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDISTREAT%2Frwdr" "/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/DISTREAT/rwdr 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/DISTREAT/rwdr
[INFO] finished tweaking git repo https://github.com/DISTREAT/rwdr
[INFO] tweaked toml for git repo https://github.com/DISTREAT/rwdr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DISTREAT/rwdr 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] 19b653728ed82e07a4d019be783c182f0bd1f464e8f121086e41dc0d6bac1a39
[INFO] running `Command { std: "docker" "start" "-a" "19b653728ed82e07a4d019be783c182f0bd1f464e8f121086e41dc0d6bac1a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b653728ed82e07a4d019be783c182f0bd1f464e8f121086e41dc0d6bac1a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b653728ed82e07a4d019be783c182f0bd1f464e8f121086e41dc0d6bac1a39", kill_on_drop: false }`
[INFO] [stdout] 19b653728ed82e07a4d019be783c182f0bd1f464e8f121086e41dc0d6bac1a39
[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] 62d8b7d28d7d7dd43e89a2defafa5c17bc35d8d351676fb6a3749e45b7b8544d
[INFO] running `Command { std: "docker" "start" "-a" "62d8b7d28d7d7dd43e89a2defafa5c17bc35d8d351676fb6a3749e45b7b8544d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking newtype_array v0.1.6
[INFO] [stderr]     Checking md5-rs v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking mtree v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking rwdr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "62d8b7d28d7d7dd43e89a2defafa5c17bc35d8d351676fb6a3749e45b7b8544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d8b7d28d7d7dd43e89a2defafa5c17bc35d8d351676fb6a3749e45b7b8544d", kill_on_drop: false }`
[INFO] [stdout] 62d8b7d28d7d7dd43e89a2defafa5c17bc35d8d351676fb6a3749e45b7b8544d