[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fbasic_types" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-you-a-rust/basic_types on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32c5a1483b9f535ce2b7298672ce156def01b661ca993ba99ae057cd8dda2d09
[INFO] running `Command { std: "docker" "start" "-a" "32c5a1483b9f535ce2b7298672ce156def01b661ca993ba99ae057cd8dda2d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32c5a1483b9f535ce2b7298672ce156def01b661ca993ba99ae057cd8dda2d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c5a1483b9f535ce2b7298672ce156def01b661ca993ba99ae057cd8dda2d09", kill_on_drop: false }`
[INFO] [stdout] 32c5a1483b9f535ce2b7298672ce156def01b661ca993ba99ae057cd8dda2d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a73ac04344b497b55eee529bb9a22fc38763da1c3b3873f61a4af66c37564fe2
[INFO] running `Command { std: "docker" "start" "-a" "a73ac04344b497b55eee529bb9a22fc38763da1c3b3873f61a4af66c37564fe2", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "a73ac04344b497b55eee529bb9a22fc38763da1c3b3873f61a4af66c37564fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73ac04344b497b55eee529bb9a22fc38763da1c3b3873f61a4af66c37564fe2", kill_on_drop: false }`
[INFO] [stdout] a73ac04344b497b55eee529bb9a22fc38763da1c3b3873f61a4af66c37564fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee160213984c158eb945019f883d31d1f9d56409fea31f551e18ba9100451a5b
[INFO] running `Command { std: "docker" "start" "-a" "ee160213984c158eb945019f883d31d1f9d56409fea31f551e18ba9100451a5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.54s
[INFO] running `Command { std: "docker" "inspect" "ee160213984c158eb945019f883d31d1f9d56409fea31f551e18ba9100451a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee160213984c158eb945019f883d31d1f9d56409fea31f551e18ba9100451a5b", kill_on_drop: false }`
[INFO] [stdout] ee160213984c158eb945019f883d31d1f9d56409fea31f551e18ba9100451a5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42c95e4c0af7eea360b27eebc07547e2b8de711e9b83c78ae5f350c3e1c84a8a
[INFO] running `Command { std: "docker" "start" "-a" "42c95e4c0af7eea360b27eebc07547e2b8de711e9b83c78ae5f350c3e1c84a8a", 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 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_types-9025bfe332114c68)
[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" "42c95e4c0af7eea360b27eebc07547e2b8de711e9b83c78ae5f350c3e1c84a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c95e4c0af7eea360b27eebc07547e2b8de711e9b83c78ae5f350c3e1c84a8a", kill_on_drop: false }`
[INFO] [stdout] 42c95e4c0af7eea360b27eebc07547e2b8de711e9b83c78ae5f350c3e1c84a8a