[INFO] updating cached repository https://github.com/sam-barr/png-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47be5f07a33f3212109ebb1596e802097f35d269
[INFO] testing sam-barr/png-rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-barr%2Fpng-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-barr/png-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-barr/png-rs
[INFO] finished tweaking git repo https://github.com/sam-barr/png-rs
[INFO] tweaked toml for git repo https://github.com/sam-barr/png-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-barr/png-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0aa2af835c9137a1e8c704a5338941108afa3ed88ed7805930567609c6f82f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d0aa2af835c9137a1e8c704a5338941108afa3ed88ed7805930567609c6f82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0aa2af835c9137a1e8c704a5338941108afa3ed88ed7805930567609c6f82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0aa2af835c9137a1e8c704a5338941108afa3ed88ed7805930567609c6f82f", kill_on_drop: false }`
[INFO] [stdout] 2d0aa2af835c9137a1e8c704a5338941108afa3ed88ed7805930567609c6f82f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e318f7657d2b9cb77f3621eb4015977f891d5ec5eab3ce249c8240b0ba1b335
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e318f7657d2b9cb77f3621eb4015977f891d5ec5eab3ce249c8240b0ba1b335", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling luminance-derive v0.5.3
[INFO] [stderr]    Compiling glfw v0.34.0
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling luminance v0.39.0
[INFO] [stderr]    Compiling luminance-windowing v0.8.2
[INFO] [stderr]    Compiling luminance-glfw v0.12.2
[INFO] [stderr]    Compiling png-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.67s
[INFO] running `Command { std: "docker" "inspect" "6e318f7657d2b9cb77f3621eb4015977f891d5ec5eab3ce249c8240b0ba1b335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e318f7657d2b9cb77f3621eb4015977f891d5ec5eab3ce249c8240b0ba1b335", kill_on_drop: false }`
[INFO] [stdout] 6e318f7657d2b9cb77f3621eb4015977f891d5ec5eab3ce249c8240b0ba1b335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434b6e5a342440de8e5063d6d14d3b7b032ee83878ec1ea3ebc134cbb1c3187f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "434b6e5a342440de8e5063d6d14d3b7b032ee83878ec1ea3ebc134cbb1c3187f", kill_on_drop: false }`
[INFO] [stderr]    Compiling png-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "434b6e5a342440de8e5063d6d14d3b7b032ee83878ec1ea3ebc134cbb1c3187f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434b6e5a342440de8e5063d6d14d3b7b032ee83878ec1ea3ebc134cbb1c3187f", kill_on_drop: false }`
[INFO] [stdout] 434b6e5a342440de8e5063d6d14d3b7b032ee83878ec1ea3ebc134cbb1c3187f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3c15e26b5b99314d69a1cfa1c536d075c366b05cb296739d2bc2d292f4fdd9e
[INFO] running `Command { std: "docker" "start" "-a" "b3c15e26b5b99314d69a1cfa1c536d075c366b05cb296739d2bc2d292f4fdd9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/png_rs-c0e5764ea955bbc4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/png_rs-2003166f45ae1fe8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests png-rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3c15e26b5b99314d69a1cfa1c536d075c366b05cb296739d2bc2d292f4fdd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c15e26b5b99314d69a1cfa1c536d075c366b05cb296739d2bc2d292f4fdd9e", kill_on_drop: false }`
[INFO] [stdout] b3c15e26b5b99314d69a1cfa1c536d075c366b05cb296739d2bc2d292f4fdd9e