[INFO] fetching crate linux-sysinfo 0.1.0...
[INFO] testing linux-sysinfo-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate linux-sysinfo 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate linux-sysinfo 0.1.0
[INFO] finished tweaking crates.io crate linux-sysinfo 0.1.0
[INFO] tweaked toml for crates.io crate linux-sysinfo 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linux-sysinfo 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linux-sysinfo 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aec3f70f151917b01a583c82762e06b4a4ca1ae1671f7e498a26ca188876e1b
[INFO] running `Command { std: "docker" "start" "-a" "5aec3f70f151917b01a583c82762e06b4a4ca1ae1671f7e498a26ca188876e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aec3f70f151917b01a583c82762e06b4a4ca1ae1671f7e498a26ca188876e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aec3f70f151917b01a583c82762e06b4a4ca1ae1671f7e498a26ca188876e1b", kill_on_drop: false }`
[INFO] [stdout] 5aec3f70f151917b01a583c82762e06b4a4ca1ae1671f7e498a26ca188876e1b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f714f166bf5b58f144acc7f645cec9c20801029b2786776fd521dc79d0f3385d
[INFO] running `Command { std: "docker" "start" "-a" "f714f166bf5b58f144acc7f645cec9c20801029b2786776fd521dc79d0f3385d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "f714f166bf5b58f144acc7f645cec9c20801029b2786776fd521dc79d0f3385d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f714f166bf5b58f144acc7f645cec9c20801029b2786776fd521dc79d0f3385d", kill_on_drop: false }`
[INFO] [stdout] f714f166bf5b58f144acc7f645cec9c20801029b2786776fd521dc79d0f3385d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b445fd87a14b9f7fcf26f2c33b073e284bcf98dcc337330f1aab7959f91ff7d0
[INFO] running `Command { std: "docker" "start" "-a" "b445fd87a14b9f7fcf26f2c33b073e284bcf98dcc337330f1aab7959f91ff7d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b445fd87a14b9f7fcf26f2c33b073e284bcf98dcc337330f1aab7959f91ff7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b445fd87a14b9f7fcf26f2c33b073e284bcf98dcc337330f1aab7959f91ff7d0", kill_on_drop: false }`
[INFO] [stdout] b445fd87a14b9f7fcf26f2c33b073e284bcf98dcc337330f1aab7959f91ff7d0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab8ba0692df17700c42771503bc722a1f7c3bf00cb303149e0204b0544d13e7f
[INFO] running `Command { std: "docker" "start" "-a" "ab8ba0692df17700c42771503bc722a1f7c3bf00cb303149e0204b0544d13e7f", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CpuStat` is never constructed
[INFO] [stderr]  --> src/cpu.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct CpuStat {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `total` and `work` are never used
[INFO] [stderr]   --> src/cpu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl CpuStat {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] 20 |     fn total(&self) -> u64 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn work(&self) -> u64 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_cpu_stats` is never used
[INFO] [stderr]   --> src/cpu.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn read_cpu_stats() -> std::io::Result<Vec<CpuStat>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CpuUsage` is never constructed
[INFO] [stderr]   --> src/cpu.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct CpuUsage {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_cpu_usage_json` is never used
[INFO] [stderr]   --> src/cpu.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn get_cpu_usage_json() -> std::io::Result<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linux-sysinfo` (bin "linux-sysinfo" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linux_sysinfo-e2c87545c983e435)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linux_sysinfo-5f44a41f84fe7b40)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linux_sysinfo
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab8ba0692df17700c42771503bc722a1f7c3bf00cb303149e0204b0544d13e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8ba0692df17700c42771503bc722a1f7c3bf00cb303149e0204b0544d13e7f", kill_on_drop: false }`
[INFO] [stdout] ab8ba0692df17700c42771503bc722a1f7c3bf00cb303149e0204b0544d13e7f