[INFO] fetching crate pngtools 1.0.2...
[INFO] testing pngtools-1.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate pngtools 1.0.2 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngtools 1.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53fff04ed5093986c083fd43e4f224920bbe2237256261fe34836a8ee685c273
[INFO] running `Command { std: "docker" "start" "-a" "53fff04ed5093986c083fd43e4f224920bbe2237256261fe34836a8ee685c273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53fff04ed5093986c083fd43e4f224920bbe2237256261fe34836a8ee685c273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fff04ed5093986c083fd43e4f224920bbe2237256261fe34836a8ee685c273", kill_on_drop: false }`
[INFO] [stdout] 53fff04ed5093986c083fd43e4f224920bbe2237256261fe34836a8ee685c273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8fb14e900c5abaf35ea7f935037bd36c65d4b73e8131f49fde8fc3e0152164
[INFO] running `Command { std: "docker" "start" "-a" "0a8fb14e900c5abaf35ea7f935037bd36c65d4b73e8131f49fde8fc3e0152164", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "0a8fb14e900c5abaf35ea7f935037bd36c65d4b73e8131f49fde8fc3e0152164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8fb14e900c5abaf35ea7f935037bd36c65d4b73e8131f49fde8fc3e0152164", kill_on_drop: false }`
[INFO] [stdout] 0a8fb14e900c5abaf35ea7f935037bd36c65d4b73e8131f49fde8fc3e0152164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d99ef86f190ffe1f1218d82da38836b3f06c33f7debb0ae229db810a0a6fccc
[INFO] running `Command { std: "docker" "start" "-a" "5d99ef86f190ffe1f1218d82da38836b3f06c33f7debb0ae229db810a0a6fccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngtools v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "5d99ef86f190ffe1f1218d82da38836b3f06c33f7debb0ae229db810a0a6fccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d99ef86f190ffe1f1218d82da38836b3f06c33f7debb0ae229db810a0a6fccc", kill_on_drop: false }`
[INFO] [stdout] 5d99ef86f190ffe1f1218d82da38836b3f06c33f7debb0ae229db810a0a6fccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8d3c3c2b5dbbfedc772c009b4eb3244b5386aecbca20a374c14c9715170bf69
[INFO] running `Command { std: "docker" "start" "-a" "d8d3c3c2b5dbbfedc772c009b4eb3244b5386aecbca20a374c14c9715170bf69", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngtools-0c5b817b845b022b)
[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" "d8d3c3c2b5dbbfedc772c009b4eb3244b5386aecbca20a374c14c9715170bf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d3c3c2b5dbbfedc772c009b4eb3244b5386aecbca20a374c14c9715170bf69", kill_on_drop: false }`
[INFO] [stdout] d8d3c3c2b5dbbfedc772c009b4eb3244b5386aecbca20a374c14c9715170bf69