[INFO] fetching crate pperf 0.1.2...
[INFO] testing pperf-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate pperf 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pperf 0.1.2
[INFO] finished tweaking crates.io crate pperf 0.1.2
[INFO] tweaked toml for crates.io crate pperf 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pperf 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b2d39861a1bcd7a20cc11d44f2422f9a96c11aa1f5761d8f0cfeb87dbcc1cf7
[INFO] running `Command { std: "docker" "start" "-a" "0b2d39861a1bcd7a20cc11d44f2422f9a96c11aa1f5761d8f0cfeb87dbcc1cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2d39861a1bcd7a20cc11d44f2422f9a96c11aa1f5761d8f0cfeb87dbcc1cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2d39861a1bcd7a20cc11d44f2422f9a96c11aa1f5761d8f0cfeb87dbcc1cf7", kill_on_drop: false }`
[INFO] [stdout] 0b2d39861a1bcd7a20cc11d44f2422f9a96c11aa1f5761d8f0cfeb87dbcc1cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a5ee630f5aa41116558f64518ecd8750e071f1b6e02d3d64707cb8e5c8fb7265
[INFO] running `Command { std: "docker" "start" "-a" "a5ee630f5aa41116558f64518ecd8750e071f1b6e02d3d64707cb8e5c8fb7265", kill_on_drop: false }`
[INFO] [stderr]    Compiling pperf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/error.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{self, write},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a5ee630f5aa41116558f64518ecd8750e071f1b6e02d3d64707cb8e5c8fb7265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ee630f5aa41116558f64518ecd8750e071f1b6e02d3d64707cb8e5c8fb7265", kill_on_drop: false }`
[INFO] [stdout] a5ee630f5aa41116558f64518ecd8750e071f1b6e02d3d64707cb8e5c8fb7265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 225b423272bb71e7f9f61ced8a5d02dc2d681a4bed6e847cc10ba76594e8a28a
[INFO] running `Command { std: "docker" "start" "-a" "225b423272bb71e7f9f61ced8a5d02dc2d681a4bed6e847cc10ba76594e8a28a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/error.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{self, write},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pperf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/error.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{self, write},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "225b423272bb71e7f9f61ced8a5d02dc2d681a4bed6e847cc10ba76594e8a28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225b423272bb71e7f9f61ced8a5d02dc2d681a4bed6e847cc10ba76594e8a28a", kill_on_drop: false }`
[INFO] [stdout] 225b423272bb71e7f9f61ced8a5d02dc2d681a4bed6e847cc10ba76594e8a28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2ea412fba6f9a0b3081e43e9e054f5b0d6fb2081c3e86d29b99f0db7d68bd06c
[INFO] running `Command { std: "docker" "start" "-a" "2ea412fba6f9a0b3081e43e9e054f5b0d6fb2081c3e86d29b99f0db7d68bd06c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/error.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fmt::{self, write},
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pperf` (lib) generated 1 warning (run `cargo fix --lib -p pperf` to apply 1 suggestion)
[INFO] [stderr] warning: `pperf` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pperf-b1fa1f5e031c0c66)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tool::test_get_process_cpu_time ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ea412fba6f9a0b3081e43e9e054f5b0d6fb2081c3e86d29b99f0db7d68bd06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea412fba6f9a0b3081e43e9e054f5b0d6fb2081c3e86d29b99f0db7d68bd06c", kill_on_drop: false }`
[INFO] [stdout] 2ea412fba6f9a0b3081e43e9e054f5b0d6fb2081c3e86d29b99f0db7d68bd06c