[INFO] cloning repository https://github.com/RRethy/rwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RRethy/rwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e829a432503c817eeef59ebfc822b7564114065
[INFO] checking RRethy/rwc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frwc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RRethy/rwc on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RRethy/rwc
[INFO] finished tweaking git repo https://github.com/RRethy/rwc
[INFO] tweaked toml for git repo https://github.com/RRethy/rwc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RRethy/rwc 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf-8 v0.7.5
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded term-table v1.3.1
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a32cde3cf3f0d7380a295174eb8d3a351cbc3e2aeeebcd6538dcb3d9af340daf
[INFO] running `Command { std: "docker" "start" "-a" "a32cde3cf3f0d7380a295174eb8d3a351cbc3e2aeeebcd6538dcb3d9af340daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a32cde3cf3f0d7380a295174eb8d3a351cbc3e2aeeebcd6538dcb3d9af340daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32cde3cf3f0d7380a295174eb8d3a351cbc3e2aeeebcd6538dcb3d9af340daf", kill_on_drop: false }`
[INFO] [stdout] a32cde3cf3f0d7380a295174eb8d3a351cbc3e2aeeebcd6538dcb3d9af340daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96802308493c34357b85a41c1a3d00d9114434ed75bc10a4423e3fe68d00ceba
[INFO] running `Command { std: "docker" "start" "-a" "96802308493c34357b85a41c1a3d00d9114434ed75bc10a4423e3fe68d00ceba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking term-table v1.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "96802308493c34357b85a41c1a3d00d9114434ed75bc10a4423e3fe68d00ceba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96802308493c34357b85a41c1a3d00d9114434ed75bc10a4423e3fe68d00ceba", kill_on_drop: false }`
[INFO] [stdout] 96802308493c34357b85a41c1a3d00d9114434ed75bc10a4423e3fe68d00ceba