[INFO] cloning repository https://github.com/dpc/dotr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpc/dotr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad5ec33f721b517e2da13431e3dc89c188b8f1f3
[INFO] checking dpc/dotr against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/dotr on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpc/dotr
[INFO] finished tweaking git repo https://github.com/dpc/dotr
[INFO] tweaked toml for git repo https://github.com/dpc/dotr written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/dotr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded syn v0.14.4
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded slog v2.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 680fb5692b90114a2e7d95924ec9f55929fbd95e5bf2442ce2b24a678f323fa1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "680fb5692b90114a2e7d95924ec9f55929fbd95e5bf2442ce2b24a678f323fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680fb5692b90114a2e7d95924ec9f55929fbd95e5bf2442ce2b24a678f323fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680fb5692b90114a2e7d95924ec9f55929fbd95e5bf2442ce2b24a678f323fa1", kill_on_drop: false }`
[INFO] [stdout] 680fb5692b90114a2e7d95924ec9f55929fbd95e5bf2442ce2b24a678f323fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef768f30f4319f4fbf49850f1606ba4674a1271fabe50be0f95e2a66ab15603a
[INFO] running `Command { std: "docker" "start" "-a" "ef768f30f4319f4fbf49850f1606ba4674a1271fabe50be0f95e2a66ab15603a", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking dotr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.76s
[INFO] running `Command { std: "docker" "inspect" "ef768f30f4319f4fbf49850f1606ba4674a1271fabe50be0f95e2a66ab15603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef768f30f4319f4fbf49850f1606ba4674a1271fabe50be0f95e2a66ab15603a", kill_on_drop: false }`
[INFO] [stdout] ef768f30f4319f4fbf49850f1606ba4674a1271fabe50be0f95e2a66ab15603a