[INFO] cloning repository https://github.com/Heavenston/rust-maze-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Heavenston/rust-maze-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeavenston%2Frust-maze-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeavenston%2Frust-maze-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38fa9d7987cab86929d623bee1184ded3ea6b296
[INFO] testing Heavenston/rust-maze-generator against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeavenston%2Frust-maze-generator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Heavenston/rust-maze-generator on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Heavenston/rust-maze-generator
[INFO] finished tweaking git repo https://github.com/Heavenston/rust-maze-generator
[INFO] tweaked toml for git repo https://github.com/Heavenston/rust-maze-generator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Heavenston/rust-maze-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7307e51ed5ed7abc996e7718be093158b0d1fcb6c8a80670d068a4977b57a7d
[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" "b7307e51ed5ed7abc996e7718be093158b0d1fcb6c8a80670d068a4977b57a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7307e51ed5ed7abc996e7718be093158b0d1fcb6c8a80670d068a4977b57a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7307e51ed5ed7abc996e7718be093158b0d1fcb6c8a80670d068a4977b57a7d", kill_on_drop: false }`
[INFO] [stdout] b7307e51ed5ed7abc996e7718be093158b0d1fcb6c8a80670d068a4977b57a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "build" "--frozen" "--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] b5ce03244c95e88a2e2bbecafee97b7ddaffb94893886182bd3e4414c67d8b3b
[INFO] running `Command { std: "docker" "start" "-a" "b5ce03244c95e88a2e2bbecafee97b7ddaffb94893886182bd3e4414c67d8b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling wasm-maze v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.42s
[INFO] running `Command { std: "docker" "inspect" "b5ce03244c95e88a2e2bbecafee97b7ddaffb94893886182bd3e4414c67d8b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ce03244c95e88a2e2bbecafee97b7ddaffb94893886182bd3e4414c67d8b3b", kill_on_drop: false }`
[INFO] [stdout] b5ce03244c95e88a2e2bbecafee97b7ddaffb94893886182bd3e4414c67d8b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf41670423e8b40f8cb2c1cf046bf2268d3f8996629c7a7586a185bf5809866
[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" "5cf41670423e8b40f8cb2c1cf046bf2268d3f8996629c7a7586a185bf5809866", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-maze v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "5cf41670423e8b40f8cb2c1cf046bf2268d3f8996629c7a7586a185bf5809866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf41670423e8b40f8cb2c1cf046bf2268d3f8996629c7a7586a185bf5809866", kill_on_drop: false }`
[INFO] [stdout] 5cf41670423e8b40f8cb2c1cf046bf2268d3f8996629c7a7586a185bf5809866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8f4ddb3cd7e8474c4dce02ab87077389bb32f6cc19d5b5b2a75d35349ac460f
[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" "f8f4ddb3cd7e8474c4dce02ab87077389bb32f6cc19d5b5b2a75d35349ac460f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasm_maze_generator-75789de3703ca5b9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasm_maze_generator
[INFO] [stdout] test result: ok. 0 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" "f8f4ddb3cd7e8474c4dce02ab87077389bb32f6cc19d5b5b2a75d35349ac460f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f4ddb3cd7e8474c4dce02ab87077389bb32f6cc19d5b5b2a75d35349ac460f", kill_on_drop: false }`
[INFO] [stdout] f8f4ddb3cd7e8474c4dce02ab87077389bb32f6cc19d5b5b2a75d35349ac460f