[INFO] cloning repository https://github.com/medakk/rustfk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/medakk/rustfk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedakk%2Frustfk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedakk%2Frustfk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc5ba77a4311490d0c27d74de241de810141fbf3
[INFO] checking medakk/rustfk against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedakk%2Frustfk" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/medakk/rustfk on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/medakk/rustfk
[INFO] finished tweaking git repo https://github.com/medakk/rustfk
[INFO] tweaked toml for git repo https://github.com/medakk/rustfk written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/medakk/rustfk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 9ec0a534d08f47ee74f88b831bf01cf50baab1ef5f03812c47b63a04595f90a3
[INFO] running `Command { std: "docker" "start" "-a" "9ec0a534d08f47ee74f88b831bf01cf50baab1ef5f03812c47b63a04595f90a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec0a534d08f47ee74f88b831bf01cf50baab1ef5f03812c47b63a04595f90a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec0a534d08f47ee74f88b831bf01cf50baab1ef5f03812c47b63a04595f90a3", kill_on_drop: false }`
[INFO] [stdout] 9ec0a534d08f47ee74f88b831bf01cf50baab1ef5f03812c47b63a04595f90a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 14fe8d0f8838138ea3b18d8aa5aa48d9b64913c486d765c5df9376a82d73c294
[INFO] running `Command { std: "docker" "start" "-a" "14fe8d0f8838138ea3b18d8aa5aa48d9b64913c486d765c5df9376a82d73c294", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustfk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     msg: &'static str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     msg: &'static str,
[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 1.44s
[INFO] running `Command { std: "docker" "inspect" "14fe8d0f8838138ea3b18d8aa5aa48d9b64913c486d765c5df9376a82d73c294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fe8d0f8838138ea3b18d8aa5aa48d9b64913c486d765c5df9376a82d73c294", kill_on_drop: false }`
[INFO] [stdout] 14fe8d0f8838138ea3b18d8aa5aa48d9b64913c486d765c5df9376a82d73c294