[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Fpng" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stay-on-main/png on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-29/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" "+beta-2022-04-10" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18bc52d3c778c97450be30ef3dcd795e4968ec45d43617aa9a34300be7edd01e
[INFO] running `Command { std: "docker" "start" "-a" "18bc52d3c778c97450be30ef3dcd795e4968ec45d43617aa9a34300be7edd01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18bc52d3c778c97450be30ef3dcd795e4968ec45d43617aa9a34300be7edd01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bc52d3c778c97450be30ef3dcd795e4968ec45d43617aa9a34300be7edd01e", kill_on_drop: false }`
[INFO] [stdout] 18bc52d3c778c97450be30ef3dcd795e4968ec45d43617aa9a34300be7edd01e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6e57184e4f578f7a0dd2982a9634ba7395df8378fa72b835aa49945bf273610
[INFO] running `Command { std: "docker" "start" "-a" "f6e57184e4f578f7a0dd2982a9634ba7395df8378fa72b835aa49945bf273610", 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 dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "f6e57184e4f578f7a0dd2982a9634ba7395df8378fa72b835aa49945bf273610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e57184e4f578f7a0dd2982a9634ba7395df8378fa72b835aa49945bf273610", kill_on_drop: false }`
[INFO] [stdout] f6e57184e4f578f7a0dd2982a9634ba7395df8378fa72b835aa49945bf273610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f6398687c917274ef713ba4e68ffb707cc817df47c1706e29944271f315061
[INFO] running `Command { std: "docker" "start" "-a" "56f6398687c917274ef713ba4e68ffb707cc817df47c1706e29944271f315061", kill_on_drop: false }`
[INFO] [stderr]    Compiling png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/png-5aadbe8b06964a7d)
[INFO] running `Command { std: "docker" "inspect" "56f6398687c917274ef713ba4e68ffb707cc817df47c1706e29944271f315061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f6398687c917274ef713ba4e68ffb707cc817df47c1706e29944271f315061", kill_on_drop: false }`
[INFO] [stdout] 56f6398687c917274ef713ba4e68ffb707cc817df47c1706e29944271f315061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e214dc4d3e9fe4ab70a14bce4c809eb6bf376c97c8b77473f0005836ff255fe
[INFO] running `Command { std: "docker" "start" "-a" "1e214dc4d3e9fe4ab70a14bce4c809eb6bf376c97c8b77473f0005836ff255fe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/png-5aadbe8b06964a7d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests png
[INFO] [stdout] test tests::dynamic_huffman_0 ... ok
[INFO] [stdout] test tests::no_compression_1 ... ok
[INFO] [stdout] test tests::dynamic_huffman_1 ... ok
[INFO] [stdout] test tests::no_compression_0 ... ok
[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 0.00s
[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" "1e214dc4d3e9fe4ab70a14bce4c809eb6bf376c97c8b77473f0005836ff255fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e214dc4d3e9fe4ab70a14bce4c809eb6bf376c97c8b77473f0005836ff255fe", kill_on_drop: false }`
[INFO] [stdout] 1e214dc4d3e9fe4ab70a14bce4c809eb6bf376c97c8b77473f0005836ff255fe