[INFO] fetching crate fleet-metrics 0.1.0...
[INFO] checking fleet-metrics-0.1.0 against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] extracting crate fleet-metrics 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fleet-metrics 0.1.0 on toolchain 667247db71ea18c4130dd018d060e7f09d589490
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fleet-metrics 0.1.0
[INFO] finished tweaking crates.io crate fleet-metrics 0.1.0
[INFO] tweaked toml for crates.io crate fleet-metrics 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fleet-metrics 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d933afb88c42c653568f52ef1894cb758c3d70ede97c7cc8913b4b4b6e37388
[INFO] running `Command { std: "docker" "start" "-a" "2d933afb88c42c653568f52ef1894cb758c3d70ede97c7cc8913b4b4b6e37388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d933afb88c42c653568f52ef1894cb758c3d70ede97c7cc8913b4b4b6e37388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d933afb88c42c653568f52ef1894cb758c3d70ede97c7cc8913b4b4b6e37388", kill_on_drop: false }`
[INFO] [stdout] 2d933afb88c42c653568f52ef1894cb758c3d70ede97c7cc8913b4b4b6e37388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e99b8fd1e201ddf4e238cebb1d108629ebcc8e14ad5bbfa6192728723feb4e
[INFO] running `Command { std: "docker" "start" "-a" "78e99b8fd1e201ddf4e238cebb1d108629ebcc8e14ad5bbfa6192728723feb4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking sysinfo v0.32.1
[INFO] [stderr]     Checking fleet-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]    --> src/lib.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn total_space(sys: &mut System) -> Result<u64, String> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn available_space(sys: &mut System) -> Result<u64, String> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]    --> src/lib.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn total_space(sys: &mut System) -> Result<u64, String> {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn available_space(sys: &mut System) -> Result<u64, String> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "78e99b8fd1e201ddf4e238cebb1d108629ebcc8e14ad5bbfa6192728723feb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e99b8fd1e201ddf4e238cebb1d108629ebcc8e14ad5bbfa6192728723feb4e", kill_on_drop: false }`
[INFO] [stdout] 78e99b8fd1e201ddf4e238cebb1d108629ebcc8e14ad5bbfa6192728723feb4e