[INFO] cloning repository https://github.com/alvare/win95-maze-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvare/win95-maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvare%2Fwin95-maze-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvare%2Fwin95-maze-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39badf2c9c437bb949557f3ea7c7f8192dbaa4b7
[INFO] testing alvare/win95-maze-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvare%2Fwin95-maze-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvare/win95-maze-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvare/win95-maze-rs
[INFO] finished tweaking git repo https://github.com/alvare/win95-maze-rs
[INFO] tweaked toml for git repo https://github.com/alvare/win95-maze-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alvare/win95-maze-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a6957a69853b14dd62d6437d7ca40a39c2e5a7cea61abc39eb570974f4b678
[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" "f0a6957a69853b14dd62d6437d7ca40a39c2e5a7cea61abc39eb570974f4b678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a6957a69853b14dd62d6437d7ca40a39c2e5a7cea61abc39eb570974f4b678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a6957a69853b14dd62d6437d7ca40a39c2e5a7cea61abc39eb570974f4b678", kill_on_drop: false }`
[INFO] [stdout] f0a6957a69853b14dd62d6437d7ca40a39c2e5a7cea61abc39eb570974f4b678
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7779f21b901d215a3619ddf0bde59c2ef7fd7ea19da938089b02ef9849d24880
[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" "7779f21b901d215a3619ddf0bde59c2ef7fd7ea19da938089b02ef9849d24880", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling glfw v0.21.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling win95-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "7779f21b901d215a3619ddf0bde59c2ef7fd7ea19da938089b02ef9849d24880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7779f21b901d215a3619ddf0bde59c2ef7fd7ea19da938089b02ef9849d24880", kill_on_drop: false }`
[INFO] [stdout] 7779f21b901d215a3619ddf0bde59c2ef7fd7ea19da938089b02ef9849d24880
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 47443e74cabbe1201190e10ec6fff98340582238ba8feb4aed4b104602031dd6
[INFO] running `Command { std: "docker" "start" "-a" "47443e74cabbe1201190e10ec6fff98340582238ba8feb4aed4b104602031dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling win95-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "47443e74cabbe1201190e10ec6fff98340582238ba8feb4aed4b104602031dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47443e74cabbe1201190e10ec6fff98340582238ba8feb4aed4b104602031dd6", kill_on_drop: false }`
[INFO] [stdout] 47443e74cabbe1201190e10ec6fff98340582238ba8feb4aed4b104602031dd6
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 252390d352ef4d2a028be538ef9cc32e5510b47d9f7e551515d5abb75d6047a9
[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" "252390d352ef4d2a028be538ef9cc32e5510b47d9f7e551515d5abb75d6047a9", 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 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/win95_maze-ef1f2bf2c3246f9c
[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" "252390d352ef4d2a028be538ef9cc32e5510b47d9f7e551515d5abb75d6047a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252390d352ef4d2a028be538ef9cc32e5510b47d9f7e551515d5abb75d6047a9", kill_on_drop: false }`
[INFO] [stdout] 252390d352ef4d2a028be538ef9cc32e5510b47d9f7e551515d5abb75d6047a9