[INFO] cloning repository https://github.com/youmts/shaku-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youmts/shaku-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoumts%2Fshaku-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoumts%2Fshaku-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4152201db2365a2442f42d50651d987a1d00bd53
[INFO] checking youmts/shaku-sandbox against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoumts%2Fshaku-sandbox" "/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/youmts/shaku-sandbox 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/youmts/shaku-sandbox
[INFO] finished tweaking git repo https://github.com/youmts/shaku-sandbox
[INFO] tweaked toml for git repo https://github.com/youmts/shaku-sandbox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/youmts/shaku-sandbox 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 shaku v0.6.1
[INFO] [stderr]   Downloaded shaku_derive v0.6.1
[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] dd0c5ee1fab195cc43d1cdb0abc89c7574da3de9d518933e42e215e9fa924982
[INFO] running `Command { std: "docker" "start" "-a" "dd0c5ee1fab195cc43d1cdb0abc89c7574da3de9d518933e42e215e9fa924982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0c5ee1fab195cc43d1cdb0abc89c7574da3de9d518933e42e215e9fa924982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0c5ee1fab195cc43d1cdb0abc89c7574da3de9d518933e42e215e9fa924982", kill_on_drop: false }`
[INFO] [stdout] dd0c5ee1fab195cc43d1cdb0abc89c7574da3de9d518933e42e215e9fa924982
[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] 70d027b9225b8215c7402b672ec64e711b18b20a2707344fea48afb58c748a0e
[INFO] running `Command { std: "docker" "start" "-a" "70d027b9225b8215c7402b672ec64e711b18b20a2707344fea48afb58c748a0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling shaku_derive v0.6.1
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking shaku v0.6.1
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking shaku-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.66s
[INFO] running `Command { std: "docker" "inspect" "70d027b9225b8215c7402b672ec64e711b18b20a2707344fea48afb58c748a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d027b9225b8215c7402b672ec64e711b18b20a2707344fea48afb58c748a0e", kill_on_drop: false }`
[INFO] [stdout] 70d027b9225b8215c7402b672ec64e711b18b20a2707344fea48afb58c748a0e