[INFO] cloning repository https://github.com/vaclavblazej/rust-specimen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vaclavblazej/rust-specimen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaclavblazej%2Frust-specimen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaclavblazej%2Frust-specimen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0138fb805e88d7c022afb1d5e64d317305a1bf2d [INFO] testing vaclavblazej/rust-specimen against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaclavblazej%2Frust-specimen" "/workspace/builds/worker-58/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vaclavblazej/rust-specimen 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/vaclavblazej/rust-specimen [INFO] finished tweaking git repo https://github.com/vaclavblazej/rust-specimen [INFO] tweaked toml for git repo https://github.com/vaclavblazej/rust-specimen written to /workspace/builds/worker-58/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 343620d8b5cf922a462a5d285d834409f47a1a462752865713f5116eb67259bd [INFO] running `Command { std: "docker" "start" "-a" "343620d8b5cf922a462a5d285d834409f47a1a462752865713f5116eb67259bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "343620d8b5cf922a462a5d285d834409f47a1a462752865713f5116eb67259bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "343620d8b5cf922a462a5d285d834409f47a1a462752865713f5116eb67259bd", kill_on_drop: false }` [INFO] [stdout] 343620d8b5cf922a462a5d285d834409f47a1a462752865713f5116eb67259bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] ce1e47ac8d497a1c89c575abed84d1e1680102c74aabe23f362f14eb4940882e [INFO] running `Command { std: "docker" "start" "-a" "ce1e47ac8d497a1c89c575abed84d1e1680102c74aabe23f362f14eb4940882e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rust-specimen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut val = value; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_prime` [INFO] [stdout] --> src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn is_prime(value: i64) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `chain` [INFO] [stdout] --> src/main.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn chain(value: i64) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.53s [INFO] running `Command { std: "docker" "inspect" "ce1e47ac8d497a1c89c575abed84d1e1680102c74aabe23f362f14eb4940882e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1e47ac8d497a1c89c575abed84d1e1680102c74aabe23f362f14eb4940882e", kill_on_drop: false }` [INFO] [stdout] ce1e47ac8d497a1c89c575abed84d1e1680102c74aabe23f362f14eb4940882e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 0a2f1f1a65d4cab3aa2211fe5096b6960929c41d9f6e3d56df982fbbb59ddc7d [INFO] running `Command { std: "docker" "start" "-a" "0a2f1f1a65d4cab3aa2211fe5096b6960929c41d9f6e3d56df982fbbb59ddc7d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-specimen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut val = value; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_prime` [INFO] [stdout] --> src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn is_prime(value: i64) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `chain` [INFO] [stdout] --> src/main.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn chain(value: i64) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "0a2f1f1a65d4cab3aa2211fe5096b6960929c41d9f6e3d56df982fbbb59ddc7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a2f1f1a65d4cab3aa2211fe5096b6960929c41d9f6e3d56df982fbbb59ddc7d", kill_on_drop: false }` [INFO] [stdout] 0a2f1f1a65d4cab3aa2211fe5096b6960929c41d9f6e3d56df982fbbb59ddc7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] e7a6fe5a4555fdacb3976acf30f20c9c075f248e10fe37c3d1b5415279ac52f8 [INFO] running `Command { std: "docker" "start" "-a" "e7a6fe5a4555fdacb3976acf30f20c9c075f248e10fe37c3d1b5415279ac52f8", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut val = value; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_prime` [INFO] [stderr] --> src/main.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn is_prime(value: i64) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `chain` [INFO] [stderr] --> src/main.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn chain(value: i64) -> Vec { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-specimen` (bin "rust-specimen" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_specimen-a3950c5de2315bf7) [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" "e7a6fe5a4555fdacb3976acf30f20c9c075f248e10fe37c3d1b5415279ac52f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7a6fe5a4555fdacb3976acf30f20c9c075f248e10fe37c3d1b5415279ac52f8", kill_on_drop: false }` [INFO] [stdout] e7a6fe5a4555fdacb3976acf30f20c9c075f248e10fe37c3d1b5415279ac52f8