[INFO] cloning repository https://github.com/kimond/learn-rust-with-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimond/learn-rust-with-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Flearn-rust-with-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Flearn-rust-with-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02513017a214fac8aa255f6c69aa1caef844abae
[INFO] testing kimond/learn-rust-with-tests against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimond%2Flearn-rust-with-tests" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimond/learn-rust-with-tests 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/kimond/learn-rust-with-tests
[INFO] finished tweaking git repo https://github.com/kimond/learn-rust-with-tests
[INFO] tweaked toml for git repo https://github.com/kimond/learn-rust-with-tests written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kimond/learn-rust-with-tests 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] 37eb8ad797f42e3239948d7914e72b744f8282e96d9e2c3003ef312cdb143b6e
[INFO] running `Command { std: "docker" "start" "-a" "37eb8ad797f42e3239948d7914e72b744f8282e96d9e2c3003ef312cdb143b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37eb8ad797f42e3239948d7914e72b744f8282e96d9e2c3003ef312cdb143b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eb8ad797f42e3239948d7914e72b744f8282e96d9e2c3003ef312cdb143b6e", kill_on_drop: false }`
[INFO] [stdout] 37eb8ad797f42e3239948d7914e72b744f8282e96d9e2c3003ef312cdb143b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19c6af1cae3cbd3504d70f781f08429c4e4854459c20fea1fcec77f4201cb26
[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" "f19c6af1cae3cbd3504d70f781f08429c4e4854459c20fea1fcec77f4201cb26", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust_with_tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "f19c6af1cae3cbd3504d70f781f08429c4e4854459c20fea1fcec77f4201cb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19c6af1cae3cbd3504d70f781f08429c4e4854459c20fea1fcec77f4201cb26", kill_on_drop: false }`
[INFO] [stdout] f19c6af1cae3cbd3504d70f781f08429c4e4854459c20fea1fcec77f4201cb26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf6cc2092dd47e15e559d8ed5489e93e39ad9461cba39928f18d391e7a947297
[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" "cf6cc2092dd47e15e559d8ed5489e93e39ad9461cba39928f18d391e7a947297", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust_with_tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "cf6cc2092dd47e15e559d8ed5489e93e39ad9461cba39928f18d391e7a947297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6cc2092dd47e15e559d8ed5489e93e39ad9461cba39928f18d391e7a947297", kill_on_drop: false }`
[INFO] [stdout] cf6cc2092dd47e15e559d8ed5489e93e39ad9461cba39928f18d391e7a947297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d50c8e54e26dd33e6fa0011c4c9c172efa814bb456934e343d51404c4a8fbda8
[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" "d50c8e54e26dd33e6fa0011c4c9c172efa814bb456934e343d51404c4a8fbda8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust_with_tests-eda8a8db955d53d5
[INFO] [stdout] running 0 tests
[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" "d50c8e54e26dd33e6fa0011c4c9c172efa814bb456934e343d51404c4a8fbda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50c8e54e26dd33e6fa0011c4c9c172efa814bb456934e343d51404c4a8fbda8", kill_on_drop: false }`
[INFO] [stdout] d50c8e54e26dd33e6fa0011c4c9c172efa814bb456934e343d51404c4a8fbda8