[INFO] cloning repository https://github.com/plushuang/fleet-metrics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plushuang/fleet-metrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplushuang%2Ffleet-metrics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplushuang%2Ffleet-metrics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca64aa76d2dd719530368aeaee98f4274a03d4d0
[INFO] checking plushuang/fleet-metrics against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplushuang%2Ffleet-metrics" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plushuang/fleet-metrics on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/plushuang/fleet-metrics
[INFO] finished tweaking git repo https://github.com/plushuang/fleet-metrics
[INFO] tweaked toml for git repo https://github.com/plushuang/fleet-metrics written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/plushuang/fleet-metrics 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 141e0b380acdf5d8d2c5c0e457013a0aa933a0dac05e513b2a210fdea51a6099
[INFO] running `Command { std: "docker" "start" "-a" "141e0b380acdf5d8d2c5c0e457013a0aa933a0dac05e513b2a210fdea51a6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "141e0b380acdf5d8d2c5c0e457013a0aa933a0dac05e513b2a210fdea51a6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141e0b380acdf5d8d2c5c0e457013a0aa933a0dac05e513b2a210fdea51a6099", kill_on_drop: false }`
[INFO] [stdout] 141e0b380acdf5d8d2c5c0e457013a0aa933a0dac05e513b2a210fdea51a6099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3753d70e1037a1ff5f8461977efdb9028d2717c8535f3e0b062f7d88c7882bb2
[INFO] running `Command { std: "docker" "start" "-a" "3753d70e1037a1ff5f8461977efdb9028d2717c8535f3e0b062f7d88c7882bb2", 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 3.33s
[INFO] running `Command { std: "docker" "inspect" "3753d70e1037a1ff5f8461977efdb9028d2717c8535f3e0b062f7d88c7882bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3753d70e1037a1ff5f8461977efdb9028d2717c8535f3e0b062f7d88c7882bb2", kill_on_drop: false }`
[INFO] [stdout] 3753d70e1037a1ff5f8461977efdb9028d2717c8535f3e0b062f7d88c7882bb2