[INFO] cloning repository https://github.com/getdoug/doug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/getdoug/doug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetdoug%2Fdoug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetdoug%2Fdoug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fe29056a27260745d1d74b68d55a7b3b10f0c29
[INFO] checking getdoug/doug against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetdoug%2Fdoug" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/getdoug/doug on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/getdoug/doug
[INFO] finished tweaking git repo https://github.com/getdoug/doug
[INFO] tweaked toml for git repo https://github.com/getdoug/doug written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/getdoug/doug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c77b733e2b5186be6ad78d64f14d2288ba51efd220d3840a6f8cbe8126ffe58
[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" "3c77b733e2b5186be6ad78d64f14d2288ba51efd220d3840a6f8cbe8126ffe58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c77b733e2b5186be6ad78d64f14d2288ba51efd220d3840a6f8cbe8126ffe58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c77b733e2b5186be6ad78d64f14d2288ba51efd220d3840a6f8cbe8126ffe58", kill_on_drop: false }`
[INFO] [stdout] 3c77b733e2b5186be6ad78d64f14d2288ba51efd220d3840a6f8cbe8126ffe58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497b05f69bde5e572efc9b6d63467460e04ef458a7c25a7c6dc2aefadb91be89
[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" "497b05f69bde5e572efc9b6d63467460e04ef458a7c25a7c6dc2aefadb91be89", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking scanlex v0.1.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking colored v1.5.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking chrono-english v0.1.3
[INFO] [stderr]     Checking doug v1.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "497b05f69bde5e572efc9b6d63467460e04ef458a7c25a7c6dc2aefadb91be89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497b05f69bde5e572efc9b6d63467460e04ef458a7c25a7c6dc2aefadb91be89", kill_on_drop: false }`
[INFO] [stdout] 497b05f69bde5e572efc9b6d63467460e04ef458a7c25a7c6dc2aefadb91be89