[INFO] cloning repository https://github.com/semicolon-10/rust_profiling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/semicolon-10/rust_profiling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemicolon-10%2Frust_profiling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemicolon-10%2Frust_profiling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1406a8de72485a3fa8bc98d09741b612e5c094c
[INFO] testing semicolon-10/rust_profiling against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemicolon-10%2Frust_profiling" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/semicolon-10/rust_profiling
[INFO] finished tweaking git repo https://github.com/semicolon-10/rust_profiling
[INFO] tweaked toml for git repo https://github.com/semicolon-10/rust_profiling written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/semicolon-10/rust_profiling on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/semicolon-10/rust_profiling 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded pyroscope_pprofrs v0.2.7
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[INFO] [stderr]   Downloaded pprof v0.12.1
[INFO] [stderr]   Downloaded anyhow v1.0.82
[INFO] [stderr]   Downloaded pyroscope v0.5.7
[INFO] [stderr]   Downloaded serde v1.0.200
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded serde_derive v1.0.200
[INFO] [stderr]   Downloaded serde_json v1.0.116
[INFO] [stderr]   Downloaded cc v1.0.96
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.59
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded thiserror v1.0.59
[INFO] [stderr]   Downloaded syn v2.0.60
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d8a3777e2688806829676f54e5916a55d00bcce51ff5fb1d309ba68feec0d0a
[INFO] running `Command { std: "docker" "start" "-a" "1d8a3777e2688806829676f54e5916a55d00bcce51ff5fb1d309ba68feec0d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8a3777e2688806829676f54e5916a55d00bcce51ff5fb1d309ba68feec0d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8a3777e2688806829676f54e5916a55d00bcce51ff5fb1d309ba68feec0d0a", kill_on_drop: false }`
[INFO] [stdout] 1d8a3777e2688806829676f54e5916a55d00bcce51ff5fb1d309ba68feec0d0a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69e4144a5da71d3041681f2f8e58ef2f68c12608f26a46751d4ed49d17e9584
[INFO] running `Command { std: "docker" "start" "-a" "e69e4144a5da71d3041681f2f8e58ef2f68c12608f26a46751d4ed49d17e9584", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling names v0.14.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling libflate_lz77 v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling pprof v0.12.1
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling libflate v1.4.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling symbolic-common v12.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling pyroscope v0.5.7
[INFO] [stderr]    Compiling pyroscope_pprofrs v0.2.7
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.93s
[INFO] running `Command { std: "docker" "inspect" "e69e4144a5da71d3041681f2f8e58ef2f68c12608f26a46751d4ed49d17e9584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69e4144a5da71d3041681f2f8e58ef2f68c12608f26a46751d4ed49d17e9584", kill_on_drop: false }`
[INFO] [stdout] e69e4144a5da71d3041681f2f8e58ef2f68c12608f26a46751d4ed49d17e9584
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d08bcdb4d09f5b40f81691965c690c5493924bd3c49e46e8960dc8583d009be
[INFO] running `Command { std: "docker" "start" "-a" "8d08bcdb4d09f5b40f81691965c690c5493924bd3c49e46e8960dc8583d009be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "8d08bcdb4d09f5b40f81691965c690c5493924bd3c49e46e8960dc8583d009be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d08bcdb4d09f5b40f81691965c690c5493924bd3c49e46e8960dc8583d009be", kill_on_drop: false }`
[INFO] [stdout] 8d08bcdb4d09f5b40f81691965c690c5493924bd3c49e46e8960dc8583d009be
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ccb98685ff584207d8def53495152618e7b1ad1486c0eaf21fdacc09fac98cc
[INFO] running `Command { std: "docker" "start" "-a" "5ccb98685ff584207d8def53495152618e7b1ad1486c0eaf21fdacc09fac98cc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::thread::Thread`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::thread::Thread;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground` (bin "rust-playground" test) generated 2 warnings (run `cargo fix --bin "rust-playground" -p rust-playground --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_playground-8bea1de12e4fb2dd)
[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" "5ccb98685ff584207d8def53495152618e7b1ad1486c0eaf21fdacc09fac98cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccb98685ff584207d8def53495152618e7b1ad1486c0eaf21fdacc09fac98cc", kill_on_drop: false }`
[INFO] [stdout] 5ccb98685ff584207d8def53495152618e7b1ad1486c0eaf21fdacc09fac98cc