[INFO] cloning repository https://github.com/russiancow/LostCitiesSimulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/russiancow/LostCitiesSimulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frussiancow%2FLostCitiesSimulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frussiancow%2FLostCitiesSimulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd0880b6932dc4e63b65d1db2acbf159c3ad86c
[INFO] testing russiancow/LostCitiesSimulation 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%2Frussiancow%2FLostCitiesSimulation" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/russiancow/LostCitiesSimulation 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/russiancow/LostCitiesSimulation
[INFO] finished tweaking git repo https://github.com/russiancow/LostCitiesSimulation
[INFO] tweaked toml for git repo https://github.com/russiancow/LostCitiesSimulation written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/russiancow/LostCitiesSimulation 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 num-integer v0.1.39
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.84
[INFO] [stderr]   Downloaded serde_derive v1.0.84
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded syn v0.15.25
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b698a8bcd75523d36bb0a4f5494149caa05e3acf55b71e92d2002ed1917c0caa
[INFO] running `Command { std: "docker" "start" "-a" "b698a8bcd75523d36bb0a4f5494149caa05e3acf55b71e92d2002ed1917c0caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b698a8bcd75523d36bb0a4f5494149caa05e3acf55b71e92d2002ed1917c0caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b698a8bcd75523d36bb0a4f5494149caa05e3acf55b71e92d2002ed1917c0caa", kill_on_drop: false }`
[INFO] [stdout] b698a8bcd75523d36bb0a4f5494149caa05e3acf55b71e92d2002ed1917c0caa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 4c2894a03b0a2ff8272d9799ffe3730c6ba1923c8586693a54ab48ab8665b316
[INFO] running `Command { std: "docker" "start" "-a" "4c2894a03b0a2ff8272d9799ffe3730c6ba1923c8586693a54ab48ab8665b316", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling lost_cities_simulation v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.69s
[INFO] running `Command { std: "docker" "inspect" "4c2894a03b0a2ff8272d9799ffe3730c6ba1923c8586693a54ab48ab8665b316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2894a03b0a2ff8272d9799ffe3730c6ba1923c8586693a54ab48ab8665b316", kill_on_drop: false }`
[INFO] [stdout] 4c2894a03b0a2ff8272d9799ffe3730c6ba1923c8586693a54ab48ab8665b316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 52ac2a6703aa37170f3e1e28ff7f13568ca050a4a92d7dbdc40ceb4b69e4add1
[INFO] running `Command { std: "docker" "start" "-a" "52ac2a6703aa37170f3e1e28ff7f13568ca050a4a92d7dbdc40ceb4b69e4add1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lost_cities_simulation v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "52ac2a6703aa37170f3e1e28ff7f13568ca050a4a92d7dbdc40ceb4b69e4add1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ac2a6703aa37170f3e1e28ff7f13568ca050a4a92d7dbdc40ceb4b69e4add1", kill_on_drop: false }`
[INFO] [stdout] 52ac2a6703aa37170f3e1e28ff7f13568ca050a4a92d7dbdc40ceb4b69e4add1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d3db37631d322552a106905a429b5dc4240b4a811e6453aaa1a3d3ad35e2bed
[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" "7d3db37631d322552a106905a429b5dc4240b4a811e6453aaa1a3d3ad35e2bed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lost_cities_simulation-276febe3036e80b6
[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 /opt/rustwide/target/debug/deps/lost_cities_simulation-eb72c8129ff7f30c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lost_cities_simulation
[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] [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" "7d3db37631d322552a106905a429b5dc4240b4a811e6453aaa1a3d3ad35e2bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3db37631d322552a106905a429b5dc4240b4a811e6453aaa1a3d3ad35e2bed", kill_on_drop: false }`
[INFO] [stdout] 7d3db37631d322552a106905a429b5dc4240b4a811e6453aaa1a3d3ad35e2bed