[INFO] cloning repository https://github.com/OfflineBot/BetterFileExplorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OfflineBot/BetterFileExplorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfflineBot%2FBetterFileExplorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfflineBot%2FBetterFileExplorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e4c9b8b3d81861c61b97d8431b69213f4a8b89f
[INFO] checking OfflineBot/BetterFileExplorer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfflineBot%2FBetterFileExplorer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OfflineBot/BetterFileExplorer 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/OfflineBot/BetterFileExplorer
[INFO] finished tweaking git repo https://github.com/OfflineBot/BetterFileExplorer
[INFO] tweaked toml for git repo https://github.com/OfflineBot/BetterFileExplorer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/OfflineBot/BetterFileExplorer 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 31bf4c64189449d9e7c6e42007553f4baab2b91f398b425633211db8f9bb6228
[INFO] running `Command { std: "docker" "start" "-a" "31bf4c64189449d9e7c6e42007553f4baab2b91f398b425633211db8f9bb6228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31bf4c64189449d9e7c6e42007553f4baab2b91f398b425633211db8f9bb6228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bf4c64189449d9e7c6e42007553f4baab2b91f398b425633211db8f9bb6228", kill_on_drop: false }`
[INFO] [stdout] 31bf4c64189449d9e7c6e42007553f4baab2b91f398b425633211db8f9bb6228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c7760bf192c535b47ec3329d938c0f88d9effafc16ebf7266c01494ad83ff3d1
[INFO] running `Command { std: "docker" "start" "-a" "c7760bf192c535b47ec3329d938c0f88d9effafc16ebf7266c01494ad83ff3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking search2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "c7760bf192c535b47ec3329d938c0f88d9effafc16ebf7266c01494ad83ff3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7760bf192c535b47ec3329d938c0f88d9effafc16ebf7266c01494ad83ff3d1", kill_on_drop: false }`
[INFO] [stdout] c7760bf192c535b47ec3329d938c0f88d9effafc16ebf7266c01494ad83ff3d1
[INFO] checking OfflineBot/BetterFileExplorer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfflineBot%2FBetterFileExplorer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OfflineBot/BetterFileExplorer 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/OfflineBot/BetterFileExplorer
[INFO] finished tweaking git repo https://github.com/OfflineBot/BetterFileExplorer
[INFO] tweaked toml for git repo https://github.com/OfflineBot/BetterFileExplorer written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/OfflineBot/BetterFileExplorer 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c0e836cf3c98987feca08fb03c764298f408cc5e12b57a6d1fcc1c3945a0d0b9
[INFO] running `Command { std: "docker" "start" "-a" "c0e836cf3c98987feca08fb03c764298f408cc5e12b57a6d1fcc1c3945a0d0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e836cf3c98987feca08fb03c764298f408cc5e12b57a6d1fcc1c3945a0d0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e836cf3c98987feca08fb03c764298f408cc5e12b57a6d1fcc1c3945a0d0b9", kill_on_drop: false }`
[INFO] [stdout] c0e836cf3c98987feca08fb03c764298f408cc5e12b57a6d1fcc1c3945a0d0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d0577725deb9c9c6dcbd68e89051a04a50cead708147bb6ce773e58b5d30c386
[INFO] running `Command { std: "docker" "start" "-a" "d0577725deb9c9c6dcbd68e89051a04a50cead708147bb6ce773e58b5d30c386", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking search2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "d0577725deb9c9c6dcbd68e89051a04a50cead708147bb6ce773e58b5d30c386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0577725deb9c9c6dcbd68e89051a04a50cead708147bb6ce773e58b5d30c386", kill_on_drop: false }`
[INFO] [stdout] d0577725deb9c9c6dcbd68e89051a04a50cead708147bb6ce773e58b5d30c386