[INFO] cloning repository https://github.com/laerling/spacing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laerling/spacing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaerling%2Fspacing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaerling%2Fspacing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a503676786ee7693a2af08be0450cedb5b89c3e7
[INFO] testing laerling/spacing against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaerling%2Fspacing" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laerling/spacing on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/laerling/spacing
[INFO] finished tweaking git repo https://github.com/laerling/spacing
[INFO] tweaked toml for git repo https://github.com/laerling/spacing written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/laerling/spacing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] c6b7be5643b741d332d6441527f2284ba23433e46395cfa02f7172a1e2f09308
[INFO] running `Command { std: "docker" "start" "-a" "c6b7be5643b741d332d6441527f2284ba23433e46395cfa02f7172a1e2f09308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b7be5643b741d332d6441527f2284ba23433e46395cfa02f7172a1e2f09308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b7be5643b741d332d6441527f2284ba23433e46395cfa02f7172a1e2f09308", kill_on_drop: false }`
[INFO] [stdout] c6b7be5643b741d332d6441527f2284ba23433e46395cfa02f7172a1e2f09308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 619ac6fd6d8df24917c44d6131738e3b94370113ff47e6b71376e7b0f88d9ec9
[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" "619ac6fd6d8df24917c44d6131738e3b94370113ff47e6b71376e7b0f88d9ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling spacing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "619ac6fd6d8df24917c44d6131738e3b94370113ff47e6b71376e7b0f88d9ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619ac6fd6d8df24917c44d6131738e3b94370113ff47e6b71376e7b0f88d9ec9", kill_on_drop: false }`
[INFO] [stdout] 619ac6fd6d8df24917c44d6131738e3b94370113ff47e6b71376e7b0f88d9ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3601660319dd22ae93a6221afc38b156e10cc19c93783c15712093868587f4be
[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" "3601660319dd22ae93a6221afc38b156e10cc19c93783c15712093868587f4be", kill_on_drop: false }`
[INFO] [stderr]    Compiling spacing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "3601660319dd22ae93a6221afc38b156e10cc19c93783c15712093868587f4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3601660319dd22ae93a6221afc38b156e10cc19c93783c15712093868587f4be", kill_on_drop: false }`
[INFO] [stdout] 3601660319dd22ae93a6221afc38b156e10cc19c93783c15712093868587f4be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 7e21561c2361cffba68fce79df61d3c0d21993929582110bf00ee9731c436c67
[INFO] running `Command { std: "docker" "start" "-a" "7e21561c2361cffba68fce79df61d3c0d21993929582110bf00ee9731c436c67", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spacing-a23126c883b9e9c4)
[INFO] [stdout] test boxes::tests::move_entry ... ok
[INFO] [stdout] test boxes::tests::new_boxes_default_capacity ... ok
[INFO] [stdout] test boxes::tests::select_entry ... ok
[INFO] [stdout] test boxes::tests::new_boxes_statelessnes ... ok
[INFO] [stdout] test boxes::tests::parse_entry ... ok
[INFO] [stdout] test boxes::tests::save_boxes ... ok
[INFO] [stdout] test boxes::tests::new_boxes_from_files ... ok
[INFO] [stdout] test boxes::tests::parse_erroneous_entry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e21561c2361cffba68fce79df61d3c0d21993929582110bf00ee9731c436c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e21561c2361cffba68fce79df61d3c0d21993929582110bf00ee9731c436c67", kill_on_drop: false }`
[INFO] [stdout] 7e21561c2361cffba68fce79df61d3c0d21993929582110bf00ee9731c436c67