[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] checking semicolon-10/rust_profiling/e1406a8de72485a3fa8bc98d09741b612e5c094c against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemicolon-10%2Frust_profiling" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/semicolon-10/rust_profiling on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyroscope_pprofrs v0.2.7
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded names v0.14.0
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[INFO] [stderr]   Downloaded pprof v0.12.1
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded pyroscope v0.5.7
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e644a13874a559357ff5fa491bafa076c919c1a37a33b6577833dcfab09472b0
[INFO] running `Command { std: "docker" "start" "-a" "e644a13874a559357ff5fa491bafa076c919c1a37a33b6577833dcfab09472b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e644a13874a559357ff5fa491bafa076c919c1a37a33b6577833dcfab09472b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e644a13874a559357ff5fa491bafa076c919c1a37a33b6577833dcfab09472b0", kill_on_drop: false }`
[INFO] [stdout] e644a13874a559357ff5fa491bafa076c919c1a37a33b6577833dcfab09472b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0a41720199b49e02cd82611fc76f5b95b44d6e7e630deeff866f150a8be956
[INFO] running `Command { std: "docker" "start" "-a" "0a0a41720199b49e02cd82611fc76f5b95b44d6e7e630deeff866f150a8be956", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling names v0.14.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]    Compiling pprof v0.12.1
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking symbolic-common v12.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking thiserror v1.0.59
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking pyroscope v0.5.7
[INFO] [stderr]     Checking pyroscope_pprofrs v0.2.7
[INFO] [stderr]     Checking 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::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] [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 22.54s
[INFO] running `Command { std: "docker" "inspect" "0a0a41720199b49e02cd82611fc76f5b95b44d6e7e630deeff866f150a8be956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0a41720199b49e02cd82611fc76f5b95b44d6e7e630deeff866f150a8be956", kill_on_drop: false }`
[INFO] [stdout] 0a0a41720199b49e02cd82611fc76f5b95b44d6e7e630deeff866f150a8be956