[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaclavblazej%2Frust-specimen" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vaclavblazej/rust-specimen 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/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-61/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] b456f8c3bc781c52a9b1906da22f7108afceb6b5bff3984a8688b1b879410be4 [INFO] running `Command { std: "docker" "start" "-a" "b456f8c3bc781c52a9b1906da22f7108afceb6b5bff3984a8688b1b879410be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b456f8c3bc781c52a9b1906da22f7108afceb6b5bff3984a8688b1b879410be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b456f8c3bc781c52a9b1906da22f7108afceb6b5bff3984a8688b1b879410be4", kill_on_drop: false }` [INFO] [stdout] b456f8c3bc781c52a9b1906da22f7108afceb6b5bff3984a8688b1b879410be4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 50239bd59e59be11ebdac3adce75e1988e130bb07cb3c879e73b5f8192f45a6b [INFO] running `Command { std: "docker" "start" "-a" "50239bd59e59be11ebdac3adce75e1988e130bb07cb3c879e73b5f8192f45a6b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [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 30.19s [INFO] running `Command { std: "docker" "inspect" "50239bd59e59be11ebdac3adce75e1988e130bb07cb3c879e73b5f8192f45a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50239bd59e59be11ebdac3adce75e1988e130bb07cb3c879e73b5f8192f45a6b", kill_on_drop: false }` [INFO] [stdout] 50239bd59e59be11ebdac3adce75e1988e130bb07cb3c879e73b5f8192f45a6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 62be845455c6cc3bb6e715f4f46279940e0d5a0e8f57939fa732d86656ba0455 [INFO] running `Command { std: "docker" "start" "-a" "62be845455c6cc3bb6e715f4f46279940e0d5a0e8f57939fa732d86656ba0455", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.40s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "62be845455c6cc3bb6e715f4f46279940e0d5a0e8f57939fa732d86656ba0455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62be845455c6cc3bb6e715f4f46279940e0d5a0e8f57939fa732d86656ba0455", kill_on_drop: false }` [INFO] [stdout] 62be845455c6cc3bb6e715f4f46279940e0d5a0e8f57939fa732d86656ba0455 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 4e67ac5d1271fced12e21d9dd03f5cafce529fec86526749c2955dba123714a9 [INFO] running `Command { std: "docker" "start" "-a" "4e67ac5d1271fced12e21d9dd03f5cafce529fec86526749c2955dba123714a9", 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 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_specimen-bb8ae951c67299e4) [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" "4e67ac5d1271fced12e21d9dd03f5cafce529fec86526749c2955dba123714a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e67ac5d1271fced12e21d9dd03f5cafce529fec86526749c2955dba123714a9", kill_on_drop: false }` [INFO] [stdout] 4e67ac5d1271fced12e21d9dd03f5cafce529fec86526749c2955dba123714a9