[INFO] cloning repository https://github.com/stay-on-main/png
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stay-on-main/png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Fpng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Fpng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e800e1829fa5e3a7304532c32e3948e811555fd
[INFO] testing stay-on-main/png against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Fpng" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stay-on-main/png on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stay-on-main/png
[INFO] finished tweaking git repo https://github.com/stay-on-main/png
[INFO] tweaked toml for git repo https://github.com/stay-on-main/png written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/stay-on-main/png already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b28f1fe2efdf9d11bec4775680b6d90c2ef9d916745ea26b94c9ad4b146150d
[INFO] running `Command { std: "docker" "start" "-a" "8b28f1fe2efdf9d11bec4775680b6d90c2ef9d916745ea26b94c9ad4b146150d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b28f1fe2efdf9d11bec4775680b6d90c2ef9d916745ea26b94c9ad4b146150d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b28f1fe2efdf9d11bec4775680b6d90c2ef9d916745ea26b94c9ad4b146150d", kill_on_drop: false }`
[INFO] [stdout] 8b28f1fe2efdf9d11bec4775680b6d90c2ef9d916745ea26b94c9ad4b146150d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4447722c8480d18ac05f980ec36866535240f958fa2eb2a6142696dce4aa72e5
[INFO] running `Command { std: "docker" "start" "-a" "4447722c8480d18ac05f980ec36866535240f958fa2eb2a6142696dce4aa72e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4447722c8480d18ac05f980ec36866535240f958fa2eb2a6142696dce4aa72e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4447722c8480d18ac05f980ec36866535240f958fa2eb2a6142696dce4aa72e5", kill_on_drop: false }`
[INFO] [stdout] 4447722c8480d18ac05f980ec36866535240f958fa2eb2a6142696dce4aa72e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46aa2626c67851916894541efabbfca781cb91dd320724edb9f94c5a45bd175f
[INFO] running `Command { std: "docker" "start" "-a" "46aa2626c67851916894541efabbfca781cb91dd320724edb9f94c5a45bd175f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "46aa2626c67851916894541efabbfca781cb91dd320724edb9f94c5a45bd175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46aa2626c67851916894541efabbfca781cb91dd320724edb9f94c5a45bd175f", kill_on_drop: false }`
[INFO] [stdout] 46aa2626c67851916894541efabbfca781cb91dd320724edb9f94c5a45bd175f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 477174add9a9308040a22ac719fddb612ebc7fac60087d2e6f550884ce052594
[INFO] running `Command { std: "docker" "start" "-a" "477174add9a9308040a22ac719fddb612ebc7fac60087d2e6f550884ce052594", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/png-ebfe5672e0f2de9c)
[INFO] [stdout] test tests::dynamic_huffman_1 ... ok
[INFO] [stdout] test tests::dynamic_huffman_0 ... ok
[INFO] [stdout] test tests::no_compression_0 ... ok
[INFO] [stdout] test tests::no_compression_1 ... ok
[INFO] [stderr]    Doc-tests png
[INFO] [stdout] test tests::static_huffman_0 ... ok
[INFO] [stdout] test tests::static_huffman_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "477174add9a9308040a22ac719fddb612ebc7fac60087d2e6f550884ce052594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477174add9a9308040a22ac719fddb612ebc7fac60087d2e6f550884ce052594", kill_on_drop: false }`
[INFO] [stdout] 477174add9a9308040a22ac719fddb612ebc7fac60087d2e6f550884ce052594