[INFO] cloning repository https://github.com/mvolkmann/rust-traits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvolkmann/rust-traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Frust-traits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Frust-traits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 121701734c3ddf8d7342050d06adc62267a0c0c4
[INFO] checking mvolkmann/rust-traits against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolkmann%2Frust-traits" "/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/mvolkmann/rust-traits 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/mvolkmann/rust-traits
[INFO] finished tweaking git repo https://github.com/mvolkmann/rust-traits
[INFO] tweaked toml for git repo https://github.com/mvolkmann/rust-traits written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mvolkmann/rust-traits 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] 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] bc79d553e5bca1ee07acdfbd09b3fc26d82013b76e44c1663e937558eb40bce4
[INFO] running `Command { std: "docker" "start" "-a" "bc79d553e5bca1ee07acdfbd09b3fc26d82013b76e44c1663e937558eb40bce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc79d553e5bca1ee07acdfbd09b3fc26d82013b76e44c1663e937558eb40bce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc79d553e5bca1ee07acdfbd09b3fc26d82013b76e44c1663e937558eb40bce4", kill_on_drop: false }`
[INFO] [stdout] bc79d553e5bca1ee07acdfbd09b3fc26d82013b76e44c1663e937558eb40bce4
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27e2d81d2a796df5aa38bd4dfe6d2318b4a14a07784a6145f8979af85fd7cfe8
[INFO] running `Command { std: "docker" "start" "-a" "27e2d81d2a796df5aa38bd4dfe6d2318b4a14a07784a6145f8979af85fd7cfe8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `calories_per_serving`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     calories_per_serving: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `calories_per_serving`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     calories_per_serving: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "27e2d81d2a796df5aa38bd4dfe6d2318b4a14a07784a6145f8979af85fd7cfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e2d81d2a796df5aa38bd4dfe6d2318b4a14a07784a6145f8979af85fd7cfe8", kill_on_drop: false }`
[INFO] [stdout] 27e2d81d2a796df5aa38bd4dfe6d2318b4a14a07784a6145f8979af85fd7cfe8