[INFO] cloning repository https://github.com/Gr8th1ngy/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gr8th1ngy/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9b7a7ea7670a2ab0a264765fae02024be81590d
[INFO] testing Gr8th1ngy/learning-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
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[INFO] validating manifest of git repo https://github.com/Gr8th1ngy/learning-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gr8th1ngy/learning-rust
[INFO] finished tweaking git repo https://github.com/Gr8th1ngy/learning-rust
[INFO] tweaked toml for git repo https://github.com/Gr8th1ngy/learning-rust written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/Gr8th1ngy/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b6cc3126ba08de278960ae8b28e5aa7a5bcfd2fc0793e101df697916a73d39
[INFO] running `Command { std: "docker" "start" "-a" "16b6cc3126ba08de278960ae8b28e5aa7a5bcfd2fc0793e101df697916a73d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b6cc3126ba08de278960ae8b28e5aa7a5bcfd2fc0793e101df697916a73d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b6cc3126ba08de278960ae8b28e5aa7a5bcfd2fc0793e101df697916a73d39", kill_on_drop: false }`
[INFO] [stdout] 16b6cc3126ba08de278960ae8b28e5aa7a5bcfd2fc0793e101df697916a73d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fb529d9f00b4b3b22be25ac34622a55a11731d8b96e3f5dee8a56ffd7b8ad44
[INFO] running `Command { std: "docker" "start" "-a" "0fb529d9f00b4b3b22be25ac34622a55a11731d8b96e3f5dee8a56ffd7b8ad44", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 47 |             std::process::exit (1);
[INFO] [stdout]    |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 48 |             println!( "Quitting {}" , 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "0fb529d9f00b4b3b22be25ac34622a55a11731d8b96e3f5dee8a56ffd7b8ad44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb529d9f00b4b3b22be25ac34622a55a11731d8b96e3f5dee8a56ffd7b8ad44", kill_on_drop: false }`
[INFO] [stdout] 0fb529d9f00b4b3b22be25ac34622a55a11731d8b96e3f5dee8a56ffd7b8ad44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf8a2a66412ead56361dfe4ebe84e01be4c25686e0a4aa82c164f1c96155eed8
[INFO] running `Command { std: "docker" "start" "-a" "cf8a2a66412ead56361dfe4ebe84e01be4c25686e0a4aa82c164f1c96155eed8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 47 |             std::process::exit (1);
[INFO] [stdout]    |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 48 |             println!( "Quitting {}" , 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "cf8a2a66412ead56361dfe4ebe84e01be4c25686e0a4aa82c164f1c96155eed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8a2a66412ead56361dfe4ebe84e01be4c25686e0a4aa82c164f1c96155eed8", kill_on_drop: false }`
[INFO] [stdout] cf8a2a66412ead56361dfe4ebe84e01be4c25686e0a4aa82c164f1c96155eed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3012c0cfc563e76019dd2a9f9426ed4788e4975bedd06792de2b2be8add68a98
[INFO] running `Command { std: "docker" "start" "-a" "3012c0cfc563e76019dd2a9f9426ed4788e4975bedd06792de2b2be8add68a98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable statement
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 47 |             std::process::exit (1);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 
[INFO] [stderr] 48 |             println!( "Quitting {}" , 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `learning-rust` (bin "learning-rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust-1355ebca1ff43996)
[INFO] running `Command { std: "docker" "inspect" "3012c0cfc563e76019dd2a9f9426ed4788e4975bedd06792de2b2be8add68a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3012c0cfc563e76019dd2a9f9426ed4788e4975bedd06792de2b2be8add68a98", kill_on_drop: false }`
[INFO] [stdout] 3012c0cfc563e76019dd2a9f9426ed4788e4975bedd06792de2b2be8add68a98