[INFO] cloning repository https://github.com/StackDoubleFlow/stargazers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StackDoubleFlow/stargazers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStackDoubleFlow%2Fstargazers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStackDoubleFlow%2Fstargazers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39b84c8b5b23e36910b604fe99d7c8f2c9ff618
[INFO] checking StackDoubleFlow/stargazers against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStackDoubleFlow%2Fstargazers" "/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/StackDoubleFlow/stargazers 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/StackDoubleFlow/stargazers
[INFO] finished tweaking git repo https://github.com/StackDoubleFlow/stargazers
[INFO] tweaked toml for git repo https://github.com/StackDoubleFlow/stargazers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/StackDoubleFlow/stargazers 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-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] a84b9f9774b4d01546c1feaad807faaa1f631f3c72ea9d44d8782d150a78c58a
[INFO] running `Command { std: "docker" "start" "-a" "a84b9f9774b4d01546c1feaad807faaa1f631f3c72ea9d44d8782d150a78c58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84b9f9774b4d01546c1feaad807faaa1f631f3c72ea9d44d8782d150a78c58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84b9f9774b4d01546c1feaad807faaa1f631f3c72ea9d44d8782d150a78c58a", kill_on_drop: false }`
[INFO] [stdout] a84b9f9774b4d01546c1feaad807faaa1f631f3c72ea9d44d8782d150a78c58a
[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] 75aeaa63514c2771590a9839cea2fee42454bf9509fd166543448c39e9e77d78
[INFO] running `Command { std: "docker" "start" "-a" "75aeaa63514c2771590a9839cea2fee42454bf9509fd166543448c39e9e77d78", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking stargazers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "75aeaa63514c2771590a9839cea2fee42454bf9509fd166543448c39e9e77d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75aeaa63514c2771590a9839cea2fee42454bf9509fd166543448c39e9e77d78", kill_on_drop: false }`
[INFO] [stdout] 75aeaa63514c2771590a9839cea2fee42454bf9509fd166543448c39e9e77d78