[INFO] cloning repository https://github.com/temptemp3/rust-fib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/temptemp3/rust-fib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemptemp3%2Frust-fib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemptemp3%2Frust-fib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efe8ba2cd34e98270059c9935cc849a57b411533 [INFO] testing temptemp3/rust-fib against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemptemp3%2Frust-fib" "/workspace/builds/worker-102/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/temptemp3/rust-fib on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/temptemp3/rust-fib [INFO] finished tweaking git repo https://github.com/temptemp3/rust-fib [INFO] tweaked toml for git repo https://github.com/temptemp3/rust-fib written to /workspace/builds/worker-102/source/Cargo.toml [INFO] crate git repo https://github.com/temptemp3/rust-fib already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93b4f9d103833d960f03656cd19e85aa7ce3f97f0b3bc30dda567cdd7ad3f0f7 [INFO] running `Command { std: "docker" "start" "-a" "93b4f9d103833d960f03656cd19e85aa7ce3f97f0b3bc30dda567cdd7ad3f0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93b4f9d103833d960f03656cd19e85aa7ce3f97f0b3bc30dda567cdd7ad3f0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93b4f9d103833d960f03656cd19e85aa7ce3f97f0b3bc30dda567cdd7ad3f0f7", kill_on_drop: false }` [INFO] [stdout] 93b4f9d103833d960f03656cd19e85aa7ce3f97f0b3bc30dda567cdd7ad3f0f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d312093f4f8175cd8d59358619782aa0f7638621281fb024ca8cc868ed965bd3 [INFO] running `Command { std: "docker" "start" "-a" "d312093f4f8175cd8d59358619782aa0f7638621281fb024ca8cc868ed965bd3", kill_on_drop: false }` [INFO] [stderr] Compiling rust-fib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 25 | / loop { [INFO] [stdout] 26 | | println!("fib{} = {}",i, fib_recursive(i)); [INFO] [stdout] 27 | | i += 1; [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 29 | println!("Hello, world!"); [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: function is never used: `fib_iterative_vector` [INFO] [stdout] --> src/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn fib_iterative_vector(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "d312093f4f8175cd8d59358619782aa0f7638621281fb024ca8cc868ed965bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d312093f4f8175cd8d59358619782aa0f7638621281fb024ca8cc868ed965bd3", kill_on_drop: false }` [INFO] [stdout] d312093f4f8175cd8d59358619782aa0f7638621281fb024ca8cc868ed965bd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5646659ce72b1abe88e4410c5899416daa85782e240b9bf07786ee2f8a55d0e4 [INFO] running `Command { std: "docker" "start" "-a" "5646659ce72b1abe88e4410c5899416daa85782e240b9bf07786ee2f8a55d0e4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-fib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 25 | / loop { [INFO] [stdout] 26 | | println!("fib{} = {}",i, fib_recursive(i)); [INFO] [stdout] 27 | | i += 1; [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 29 | println!("Hello, world!"); [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: function is never used: `fib_iterative_vector` [INFO] [stdout] --> src/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn fib_iterative_vector(n: u128) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "5646659ce72b1abe88e4410c5899416daa85782e240b9bf07786ee2f8a55d0e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5646659ce72b1abe88e4410c5899416daa85782e240b9bf07786ee2f8a55d0e4", kill_on_drop: false }` [INFO] [stdout] 5646659ce72b1abe88e4410c5899416daa85782e240b9bf07786ee2f8a55d0e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 03eb97027548cd9aef3a34e60fee358b4888a016828e76c9e64fdd274ac27072 [INFO] running `Command { std: "docker" "start" "-a" "03eb97027548cd9aef3a34e60fee358b4888a016828e76c9e64fdd274ac27072", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 25 | / loop { [INFO] [stderr] 26 | | println!("fib{} = {}",i, fib_recursive(i)); [INFO] [stderr] 27 | | i += 1; [INFO] [stderr] 28 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 29 | println!("Hello, world!"); [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: function is never used: `fib_iterative_vector` [INFO] [stderr] --> src/main.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn fib_iterative_vector(n: u128) -> u128 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-fib` (bin "rust-fib" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 35.53s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_fib-c8b6967a2a1d4c62) [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" "03eb97027548cd9aef3a34e60fee358b4888a016828e76c9e64fdd274ac27072", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03eb97027548cd9aef3a34e60fee358b4888a016828e76c9e64fdd274ac27072", kill_on_drop: false }` [INFO] [stdout] 03eb97027548cd9aef3a34e60fee358b4888a016828e76c9e64fdd274ac27072