[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftemptemp3%2Frust-fib" "/workspace/builds/worker-56/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/temptemp3/rust-fib on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-56/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3eca4363403153ab7eb3b986e451869d4575594414165643d9fefbe39b6e9ade [INFO] running `Command { std: "docker" "start" "-a" "3eca4363403153ab7eb3b986e451869d4575594414165643d9fefbe39b6e9ade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3eca4363403153ab7eb3b986e451869d4575594414165643d9fefbe39b6e9ade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eca4363403153ab7eb3b986e451869d4575594414165643d9fefbe39b6e9ade", kill_on_drop: false }` [INFO] [stdout] 3eca4363403153ab7eb3b986e451869d4575594414165643d9fefbe39b6e9ade [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dbf7fb629c4348fe33e3cce71ef18ece3a23b58af9d20e8fba6a46bd7326055 [INFO] running `Command { std: "docker" "start" "-a" "0dbf7fb629c4348fe33e3cce71ef18ece3a23b58af9d20e8fba6a46bd7326055", 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 0.45s [INFO] running `Command { std: "docker" "inspect" "0dbf7fb629c4348fe33e3cce71ef18ece3a23b58af9d20e8fba6a46bd7326055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dbf7fb629c4348fe33e3cce71ef18ece3a23b58af9d20e8fba6a46bd7326055", kill_on_drop: false }` [INFO] [stdout] 0dbf7fb629c4348fe33e3cce71ef18ece3a23b58af9d20e8fba6a46bd7326055 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93803261a1a4f3b22f321aed6d5c700f296bffba0c1116efafde92159aaa2408 [INFO] running `Command { std: "docker" "start" "-a" "93803261a1a4f3b22f321aed6d5c700f296bffba0c1116efafde92159aaa2408", 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 test [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "93803261a1a4f3b22f321aed6d5c700f296bffba0c1116efafde92159aaa2408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93803261a1a4f3b22f321aed6d5c700f296bffba0c1116efafde92159aaa2408", kill_on_drop: false }` [INFO] [stdout] 93803261a1a4f3b22f321aed6d5c700f296bffba0c1116efafde92159aaa2408 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2dbac20092fcbf8cb5b10c2b09e5bbb48fcab03e08088fcbaa2c6fc00906be3a [INFO] running `Command { std: "docker" "start" "-a" "2dbac20092fcbf8cb5b10c2b09e5bbb48fcab03e08088fcbaa2c6fc00906be3a", 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 35.18s [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" "2dbac20092fcbf8cb5b10c2b09e5bbb48fcab03e08088fcbaa2c6fc00906be3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dbac20092fcbf8cb5b10c2b09e5bbb48fcab03e08088fcbaa2c6fc00906be3a", kill_on_drop: false }` [INFO] [stdout] 2dbac20092fcbf8cb5b10c2b09e5bbb48fcab03e08088fcbaa2c6fc00906be3a