[INFO] cloning repository https://github.com/mnit-rtmc/mere
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnit-rtmc/mere" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ada5c5e33a0cc17888ae45333d6bdf4c8bab9a4e
[INFO] checking mnit-rtmc/mere against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnit-rtmc%2Fmere" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mnit-rtmc/mere 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/mnit-rtmc/mere
[INFO] finished tweaking git repo https://github.com/mnit-rtmc/mere
[INFO] tweaked toml for git repo https://github.com/mnit-rtmc/mere written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mnit-rtmc/mere 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 smallvec v1.5.0
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] [stderr]   Downloaded ssh2 v0.8.3
[INFO] [stderr]   Downloaded openssl-src v111.12.0+1.1.1h
[INFO] [stderr]   Downloaded whoami v0.9.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbeb386d3c1315546155f47bc6d62e94e5899ecd48a06280294623ab748af454
[INFO] running `Command { std: "docker" "start" "-a" "dbeb386d3c1315546155f47bc6d62e94e5899ecd48a06280294623ab748af454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbeb386d3c1315546155f47bc6d62e94e5899ecd48a06280294623ab748af454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbeb386d3c1315546155f47bc6d62e94e5899ecd48a06280294623ab748af454", kill_on_drop: false }`
[INFO] [stdout] dbeb386d3c1315546155f47bc6d62e94e5899ecd48a06280294623ab748af454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ae48c815ffa3e4fab67ddd64add3165fb6a9db84117d0bc86ced99c6d03c739f
[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" "ae48c815ffa3e4fab67ddd64add3165fb6a9db84117d0bc86ced99c6d03c739f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]    Compiling openssl-src v111.12.0+1.1.1h
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking ssh2 v0.8.3
[INFO] [stderr]     Checking mere v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.82s
[INFO] running `Command { std: "docker" "inspect" "ae48c815ffa3e4fab67ddd64add3165fb6a9db84117d0bc86ced99c6d03c739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae48c815ffa3e4fab67ddd64add3165fb6a9db84117d0bc86ced99c6d03c739f", kill_on_drop: false }`
[INFO] [stdout] ae48c815ffa3e4fab67ddd64add3165fb6a9db84117d0bc86ced99c6d03c739f