[INFO] fetching crate pngtools 1.0.2...
[INFO] testing pngtools-1.0.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pngtools 1.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pngtools 1.0.2
[INFO] finished tweaking crates.io crate pngtools 1.0.2
[INFO] tweaked toml for crates.io crate pngtools 1.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngtools 1.0.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pngtools 1.0.2 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" "+1.91.0" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3e37abd54a5cdc05c0228646b8b7e031aae3ec60d082b053380a351c8b6365
[INFO] running `Command { std: "docker" "start" "-a" "4b3e37abd54a5cdc05c0228646b8b7e031aae3ec60d082b053380a351c8b6365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3e37abd54a5cdc05c0228646b8b7e031aae3ec60d082b053380a351c8b6365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3e37abd54a5cdc05c0228646b8b7e031aae3ec60d082b053380a351c8b6365", kill_on_drop: false }`
[INFO] [stdout] 4b3e37abd54a5cdc05c0228646b8b7e031aae3ec60d082b053380a351c8b6365
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c09d64883e05929d4a67d7e9ff65181e91ae4dae6fa3dcf449a35ee5513f220
[INFO] running `Command { std: "docker" "start" "-a" "2c09d64883e05929d4a67d7e9ff65181e91ae4dae6fa3dcf449a35ee5513f220", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "2c09d64883e05929d4a67d7e9ff65181e91ae4dae6fa3dcf449a35ee5513f220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c09d64883e05929d4a67d7e9ff65181e91ae4dae6fa3dcf449a35ee5513f220", kill_on_drop: false }`
[INFO] [stdout] 2c09d64883e05929d4a67d7e9ff65181e91ae4dae6fa3dcf449a35ee5513f220
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417e12da2e406ae83298ec837809f6d05e994b46faca1d50476a5c8244e6e7bf
[INFO] running `Command { std: "docker" "start" "-a" "417e12da2e406ae83298ec837809f6d05e994b46faca1d50476a5c8244e6e7bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "417e12da2e406ae83298ec837809f6d05e994b46faca1d50476a5c8244e6e7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417e12da2e406ae83298ec837809f6d05e994b46faca1d50476a5c8244e6e7bf", kill_on_drop: false }`
[INFO] [stdout] 417e12da2e406ae83298ec837809f6d05e994b46faca1d50476a5c8244e6e7bf
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0868d68f09934b224504492e1629139599698234e65e75f6f5fce69cb5ec6266
[INFO] running `Command { std: "docker" "start" "-a" "0868d68f09934b224504492e1629139599698234e65e75f6f5fce69cb5ec6266", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngtools-7f1216cf4ae64169)
[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" "0868d68f09934b224504492e1629139599698234e65e75f6f5fce69cb5ec6266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0868d68f09934b224504492e1629139599698234e65e75f6f5fce69cb5ec6266", kill_on_drop: false }`
[INFO] [stdout] 0868d68f09934b224504492e1629139599698234e65e75f6f5fce69cb5ec6266