[INFO] cloning repository https://github.com/cogciprocate/microcosm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cogciprocate/microcosm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcogciprocate%2Fmicrocosm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcogciprocate%2Fmicrocosm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4dc03786c1826053869c4683f4b4210c1cca4a6
[INFO] checking cogciprocate/microcosm against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcogciprocate%2Fmicrocosm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cogciprocate/microcosm on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cogciprocate/microcosm
[INFO] finished tweaking git repo https://github.com/cogciprocate/microcosm
[INFO] tweaked toml for git repo https://github.com/cogciprocate/microcosm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cogciprocate/microcosm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.16
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded rand v0.3.11
[INFO] [stderr]   Downloaded winapi v0.2.4
[INFO] [stderr]   Downloaded num v0.1.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ddab9d6d5fd541d8376006d2b3cd1a8332449998b62b22672cb4cb9ce6002f7
[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" "0ddab9d6d5fd541d8376006d2b3cd1a8332449998b62b22672cb4cb9ce6002f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ddab9d6d5fd541d8376006d2b3cd1a8332449998b62b22672cb4cb9ce6002f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddab9d6d5fd541d8376006d2b3cd1a8332449998b62b22672cb4cb9ce6002f7", kill_on_drop: false }`
[INFO] [stdout] 0ddab9d6d5fd541d8376006d2b3cd1a8332449998b62b22672cb4cb9ce6002f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385ef927ab1931f086af1e0c815fc80b38543aaf5635cd9436677841b0ae8406
[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" "385ef927ab1931f086af1e0c815fc80b38543aaf5635cd9436677841b0ae8406", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.4
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.11
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "385ef927ab1931f086af1e0c815fc80b38543aaf5635cd9436677841b0ae8406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385ef927ab1931f086af1e0c815fc80b38543aaf5635cd9436677841b0ae8406", kill_on_drop: false }`
[INFO] [stdout] 385ef927ab1931f086af1e0c815fc80b38543aaf5635cd9436677841b0ae8406