[INFO] fetching crate RaceNG 1.0.3... [INFO] testing RaceNG-1.0.3 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] extracting crate RaceNG 1.0.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate RaceNG 1.0.3 [INFO] finished tweaking crates.io crate RaceNG 1.0.3 [INFO] tweaked toml for crates.io crate RaceNG 1.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate RaceNG 1.0.3 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate RaceNG 1.0.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d82dee56d645e5f9d4924210381646f00899a6d93124cc47ae851cca4f8eeee [INFO] running `Command { std: "docker" "start" "-a" "1d82dee56d645e5f9d4924210381646f00899a6d93124cc47ae851cca4f8eeee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d82dee56d645e5f9d4924210381646f00899a6d93124cc47ae851cca4f8eeee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d82dee56d645e5f9d4924210381646f00899a6d93124cc47ae851cca4f8eeee", kill_on_drop: false }` [INFO] [stdout] 1d82dee56d645e5f9d4924210381646f00899a6d93124cc47ae851cca4f8eeee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 867a9cd13fbf17df93b2085e598c404d7dd6b5c3e331ee699574408735d38096 [INFO] running `Command { std: "docker" "start" "-a" "867a9cd13fbf17df93b2085e598c404d7dd6b5c3e331ee699574408735d38096", kill_on_drop: false }` [INFO] [stderr] Compiling RaceNG v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RaceNG` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `race_ng` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | tx1.send(x); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = tx1.send(x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | tx2.send(y); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = tx2.send(y); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "867a9cd13fbf17df93b2085e598c404d7dd6b5c3e331ee699574408735d38096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "867a9cd13fbf17df93b2085e598c404d7dd6b5c3e331ee699574408735d38096", kill_on_drop: false }` [INFO] [stdout] 867a9cd13fbf17df93b2085e598c404d7dd6b5c3e331ee699574408735d38096 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ddde1725edf9bbbd01dfa15b1b3d75f1f27c55d917adace45b494f03f56fc49 [INFO] running `Command { std: "docker" "start" "-a" "5ddde1725edf9bbbd01dfa15b1b3d75f1f27c55d917adace45b494f03f56fc49", kill_on_drop: false }` [INFO] [stderr] Compiling RaceNG v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `RaceNG` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `race_ng` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | tx1.send(x); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = tx1.send(x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | tx2.send(y); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = tx2.send(y); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slowdown` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | let slowdown = generate_primes(2000); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | tx1.send(x); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = tx1.send(x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | tx2.send(y); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = tx2.send(y); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "5ddde1725edf9bbbd01dfa15b1b3d75f1f27c55d917adace45b494f03f56fc49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ddde1725edf9bbbd01dfa15b1b3d75f1f27c55d917adace45b494f03f56fc49", kill_on_drop: false }` [INFO] [stdout] 5ddde1725edf9bbbd01dfa15b1b3d75f1f27c55d917adace45b494f03f56fc49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2e07f42f8f46c34f607f5e54ac44df027f5db946f02d2972e7d588a329ac8037 [INFO] running `Command { std: "docker" "start" "-a" "2e07f42f8f46c34f607f5e54ac44df027f5db946f02d2972e7d588a329ac8037", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `slowdown` [INFO] [stderr] --> src/lib.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let slowdown = generate_primes(2000); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `slowdown` [INFO] [stderr] --> src/lib.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | let slowdown = generate_primes(2000); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slowdown` [INFO] [stderr] [INFO] [stderr] warning: crate `RaceNG` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = help: convert the identifier to snake case: `race_ng` [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | tx1.send(x); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 16 | let _ = tx1.send(x); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | tx2.send(y); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 22 | let _ = tx2.send(y); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `RaceNG` (lib) generated 5 warnings [INFO] [stderr] warning: `RaceNG` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/RaceNG-c9a78819e38dc746) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RaceNG-2f574badfd5ea921) [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] [stderr] Doc-tests RaceNG [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" "2e07f42f8f46c34f607f5e54ac44df027f5db946f02d2972e7d588a329ac8037", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e07f42f8f46c34f607f5e54ac44df027f5db946f02d2972e7d588a329ac8037", kill_on_drop: false }` [INFO] [stdout] 2e07f42f8f46c34f607f5e54ac44df027f5db946f02d2972e7d588a329ac8037