[INFO] cloning repository https://github.com/rfshub/linux-sysinfo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfshub/linux-sysinfo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfshub%2Flinux-sysinfo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfshub%2Flinux-sysinfo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8be4acd9fadeed54ae85cf4074a4ac69c890b088
[INFO] checking rfshub/linux-sysinfo against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfshub%2Flinux-sysinfo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rfshub/linux-sysinfo
[INFO] finished tweaking git repo https://github.com/rfshub/linux-sysinfo
[INFO] tweaked toml for git repo https://github.com/rfshub/linux-sysinfo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rfshub/linux-sysinfo on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rfshub/linux-sysinfo 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19a3cb7f9bd019723339d1c984867a8099de540307e93d4370360fda30a992fd
[INFO] running `Command { std: "docker" "start" "-a" "19a3cb7f9bd019723339d1c984867a8099de540307e93d4370360fda30a992fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a3cb7f9bd019723339d1c984867a8099de540307e93d4370360fda30a992fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a3cb7f9bd019723339d1c984867a8099de540307e93d4370360fda30a992fd", kill_on_drop: false }`
[INFO] [stdout] 19a3cb7f9bd019723339d1c984867a8099de540307e93d4370360fda30a992fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 135915666a6c137d02936d5719835d1cbe43edc4eb2777c5c64f3e0d64ad9784
[INFO] running `Command { std: "docker" "start" "-a" "135915666a6c137d02936d5719835d1cbe43edc4eb2777c5c64f3e0d64ad9784", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking linux-sysinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CpuStat` is never constructed
[INFO] [stdout]  --> src/cpu.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct CpuStat {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total` and `work` are never used
[INFO] [stdout]   --> src/cpu.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CpuStat {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 20 |     fn total(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn work(&self) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_cpu_stats` is never used
[INFO] [stdout]   --> src/cpu.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn read_cpu_stats() -> std::io::Result<Vec<CpuStat>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CpuUsage` is never constructed
[INFO] [stdout]   --> src/cpu.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct CpuUsage {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cpu_usage_json` is never used
[INFO] [stdout]   --> src/cpu.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn get_cpu_usage_json() -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CpuStat` is never constructed
[INFO] [stdout]  --> src/cpu.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct CpuStat {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total` and `work` are never used
[INFO] [stdout]   --> src/cpu.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl CpuStat {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 20 |     fn total(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn work(&self) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_cpu_stats` is never used
[INFO] [stdout]   --> src/cpu.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn read_cpu_stats() -> std::io::Result<Vec<CpuStat>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CpuUsage` is never constructed
[INFO] [stdout]   --> src/cpu.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct CpuUsage {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cpu_usage_json` is never used
[INFO] [stdout]   --> src/cpu.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn get_cpu_usage_json() -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "135915666a6c137d02936d5719835d1cbe43edc4eb2777c5c64f3e0d64ad9784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135915666a6c137d02936d5719835d1cbe43edc4eb2777c5c64f3e0d64ad9784", kill_on_drop: false }`
[INFO] [stdout] 135915666a6c137d02936d5719835d1cbe43edc4eb2777c5c64f3e0d64ad9784