[INFO] fetching crate png-rusty 0.1.0...
[INFO] checking png-rusty-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate png-rusty 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate png-rusty 0.1.0
[INFO] finished tweaking crates.io crate png-rusty 0.1.0
[INFO] tweaked toml for crates.io crate png-rusty 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate png-rusty 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate png-rusty 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dc20bb9f459848623053687a8e1b111ed0a47e5dffa989ff8e83ea98412657e
[INFO] running `Command { std: "docker" "start" "-a" "3dc20bb9f459848623053687a8e1b111ed0a47e5dffa989ff8e83ea98412657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dc20bb9f459848623053687a8e1b111ed0a47e5dffa989ff8e83ea98412657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc20bb9f459848623053687a8e1b111ed0a47e5dffa989ff8e83ea98412657e", kill_on_drop: false }`
[INFO] [stdout] 3dc20bb9f459848623053687a8e1b111ed0a47e5dffa989ff8e83ea98412657e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4c8546553090c5e31d4fd9b7fcf96db4d2256fe4daa9928578fba27396a642
[INFO] running `Command { std: "docker" "start" "-a" "9a4c8546553090c5e31d4fd9b7fcf96db4d2256fe4daa9928578fba27396a642", kill_on_drop: false }`
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking clap_builder v4.5.35
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.35
[INFO] [stderr]     Checking png-rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> src/png.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use std::str::FromStr;
[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 5.94s
[INFO] running `Command { std: "docker" "inspect" "9a4c8546553090c5e31d4fd9b7fcf96db4d2256fe4daa9928578fba27396a642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4c8546553090c5e31d4fd9b7fcf96db4d2256fe4daa9928578fba27396a642", kill_on_drop: false }`
[INFO] [stdout] 9a4c8546553090c5e31d4fd9b7fcf96db4d2256fe4daa9928578fba27396a642