[INFO] fetching crate libchip8 0.1.2...
[INFO] testing libchip8-0.1.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate libchip8 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libchip8 0.1.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libchip8 0.1.2
[INFO] finished tweaking crates.io crate libchip8 0.1.2
[INFO] tweaked toml for crates.io crate libchip8 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libchip8 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feede5afd9d6a4fe2598c34f9e033bbfe63dd387df33322869d34eded6d7b341
[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" "feede5afd9d6a4fe2598c34f9e033bbfe63dd387df33322869d34eded6d7b341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feede5afd9d6a4fe2598c34f9e033bbfe63dd387df33322869d34eded6d7b341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feede5afd9d6a4fe2598c34f9e033bbfe63dd387df33322869d34eded6d7b341", kill_on_drop: false }`
[INFO] [stdout] feede5afd9d6a4fe2598c34f9e033bbfe63dd387df33322869d34eded6d7b341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff5b824bb7ddb95324240268ddd31a6e337445a5bc4e0790677f1d47b64ef12
[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" "dff5b824bb7ddb95324240268ddd31a6e337445a5bc4e0790677f1d47b64ef12", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling libchip8 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "dff5b824bb7ddb95324240268ddd31a6e337445a5bc4e0790677f1d47b64ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff5b824bb7ddb95324240268ddd31a6e337445a5bc4e0790677f1d47b64ef12", kill_on_drop: false }`
[INFO] [stdout] dff5b824bb7ddb95324240268ddd31a6e337445a5bc4e0790677f1d47b64ef12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b01834914f7841223c24753655dbcd2cfea02b90d1192f6ce728dc560b96ec
[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" "63b01834914f7841223c24753655dbcd2cfea02b90d1192f6ce728dc560b96ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling flate2 v1.0.8
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling structopt v0.2.16
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling libchip8 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 51.09s
[INFO] running `Command { std: "docker" "inspect" "63b01834914f7841223c24753655dbcd2cfea02b90d1192f6ce728dc560b96ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b01834914f7841223c24753655dbcd2cfea02b90d1192f6ce728dc560b96ec", kill_on_drop: false }`
[INFO] [stdout] 63b01834914f7841223c24753655dbcd2cfea02b90d1192f6ce728dc560b96ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 95816d5be4cda4abc2db6d3cb860eedad66992ec77907ba2c2439a994e45b052
[INFO] running `Command { std: "docker" "start" "-a" "95816d5be4cda4abc2db6d3cb860eedad66992ec77907ba2c2439a994e45b052", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libchip8-3d706d5d9b0e4b6d)
[INFO] [stderr]    Doc-tests libchip8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95816d5be4cda4abc2db6d3cb860eedad66992ec77907ba2c2439a994e45b052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95816d5be4cda4abc2db6d3cb860eedad66992ec77907ba2c2439a994e45b052", kill_on_drop: false }`
[INFO] [stdout] 95816d5be4cda4abc2db6d3cb860eedad66992ec77907ba2c2439a994e45b052