[INFO] cloning repository https://github.com/learn-you-a-rust/basic_types
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-you-a-rust/basic_types" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fbasic_types", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fbasic_types'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40f1d750f2a58e4b376fbab595884c8e04f30d21
[INFO] testing learn-you-a-rust/basic_types against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fbasic_types" "/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/learn-you-a-rust/basic_types on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learn-you-a-rust/basic_types
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/basic_types
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/basic_types written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/basic_types already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] c1de9a028ce68611d61b0a5ac103792dde6cec23d4107582675e20b7ea76efa6
[INFO] running `Command { std: "docker" "start" "-a" "c1de9a028ce68611d61b0a5ac103792dde6cec23d4107582675e20b7ea76efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1de9a028ce68611d61b0a5ac103792dde6cec23d4107582675e20b7ea76efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1de9a028ce68611d61b0a5ac103792dde6cec23d4107582675e20b7ea76efa6", kill_on_drop: false }`
[INFO] [stdout] c1de9a028ce68611d61b0a5ac103792dde6cec23d4107582675e20b7ea76efa6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e97b9d124a338d7ab5628b9115e1fd5380b57ee83dcc69fbacc951c894b9e563
[INFO] running `Command { std: "docker" "start" "-a" "e97b9d124a338d7ab5628b9115e1fd5380b57ee83dcc69fbacc951c894b9e563", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_types v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `three`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let three = typed_array[2];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_three`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nine`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let nine = tuple.1;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "e97b9d124a338d7ab5628b9115e1fd5380b57ee83dcc69fbacc951c894b9e563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97b9d124a338d7ab5628b9115e1fd5380b57ee83dcc69fbacc951c894b9e563", kill_on_drop: false }`
[INFO] [stdout] e97b9d124a338d7ab5628b9115e1fd5380b57ee83dcc69fbacc951c894b9e563
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5bfc12d5f3991ef27256f2307049e9a8cd5f0835aea30b9544ec550f5a29638a
[INFO] running `Command { std: "docker" "start" "-a" "5bfc12d5f3991ef27256f2307049e9a8cd5f0835aea30b9544ec550f5a29638a", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_types v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `three`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let three = typed_array[2];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_three`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nine`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let nine = tuple.1;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/basic_types-37450dee8ec18051)
[INFO] running `Command { std: "docker" "inspect" "5bfc12d5f3991ef27256f2307049e9a8cd5f0835aea30b9544ec550f5a29638a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfc12d5f3991ef27256f2307049e9a8cd5f0835aea30b9544ec550f5a29638a", kill_on_drop: false }`
[INFO] [stdout] 5bfc12d5f3991ef27256f2307049e9a8cd5f0835aea30b9544ec550f5a29638a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b4ea6f1c7df105da7f9c2c337eb124a0a6eedf4bb2a8ad5739f1f6cb8bab6d48
[INFO] running `Command { std: "docker" "start" "-a" "b4ea6f1c7df105da7f9c2c337eb124a0a6eedf4bb2a8ad5739f1f6cb8bab6d48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `three`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let three = typed_array[2];
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_three`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nine`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let nine = tuple.1;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nine`
[INFO] [stderr] 
[INFO] [stderr] warning: `basic_types` (bin "basic_types" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basic_types-37450dee8ec18051)
[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" "b4ea6f1c7df105da7f9c2c337eb124a0a6eedf4bb2a8ad5739f1f6cb8bab6d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ea6f1c7df105da7f9c2c337eb124a0a6eedf4bb2a8ad5739f1f6cb8bab6d48", kill_on_drop: false }`
[INFO] [stdout] b4ea6f1c7df105da7f9c2c337eb124a0a6eedf4bb2a8ad5739f1f6cb8bab6d48