[INFO] fetching crate finitefields 0.1.1... [INFO] testing finitefields-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate finitefields 0.1.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate finitefields 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate finitefields 0.1.1 [INFO] finished tweaking crates.io crate finitefields 0.1.1 [INFO] tweaked toml for crates.io crate finitefields 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2a4d5e355b7aae1adda1d724b0e986e3b5d8911df5cb306597b06d0d3c336367 [INFO] running `Command { std: "docker" "start" "-a" "2a4d5e355b7aae1adda1d724b0e986e3b5d8911df5cb306597b06d0d3c336367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a4d5e355b7aae1adda1d724b0e986e3b5d8911df5cb306597b06d0d3c336367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a4d5e355b7aae1adda1d724b0e986e3b5d8911df5cb306597b06d0d3c336367", kill_on_drop: false }` [INFO] [stdout] 2a4d5e355b7aae1adda1d724b0e986e3b5d8911df5cb306597b06d0d3c336367 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e4ef9e125ce99999c9ebac7ef7f1ab854fd0093b311d6629424d0117318b30fe [INFO] running `Command { std: "docker" "start" "-a" "e4ef9e125ce99999c9ebac7ef7f1ab854fd0093b311d6629424d0117318b30fe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling finitefields v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.31s [INFO] running `Command { std: "docker" "inspect" "e4ef9e125ce99999c9ebac7ef7f1ab854fd0093b311d6629424d0117318b30fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ef9e125ce99999c9ebac7ef7f1ab854fd0093b311d6629424d0117318b30fe", kill_on_drop: false }` [INFO] [stdout] e4ef9e125ce99999c9ebac7ef7f1ab854fd0093b311d6629424d0117318b30fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d726012d19556df94aa328b998e4bb70658933db2ab93ce6ee9f1b676cfcf33 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8d726012d19556df94aa328b998e4bb70658933db2ab93ce6ee9f1b676cfcf33", kill_on_drop: false }` [INFO] [stderr] Compiling finitefields v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/lib.rs:339:21 [INFO] [stdout] | [INFO] [stdout] 339 | use std::time::{Duration, Instant}; // Binary operations //Uniary operations [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/lib.rs:391:13 [INFO] [stdout] | [INFO] [stdout] 391 | let r2 = Finitefield::mod_multiply(n1, n2, m); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/lib.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | let r1 = unsafe { mul_mod(n1, n2, m) }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:406:9 [INFO] [stdout] | [INFO] [stdout] 406 | for i in 0..(1e7 as usize) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/lib.rs:410:13 [INFO] [stdout] | [INFO] [stdout] 410 | let r1 = Finitefield::mod_multiply(n1, n2, m); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:415:9 [INFO] [stdout] | [INFO] [stdout] 415 | for i in 0..(1e7 as usize) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/lib.rs:419:13 [INFO] [stdout] | [INFO] [stdout] 419 | let r1 = unsafe { mul_mod(n1, n2, m) }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:424:9 [INFO] [stdout] | [INFO] [stdout] 424 | for i in 0..(1e7 as usize) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/lib.rs:428:13 [INFO] [stdout] | [INFO] [stdout] 428 | let r1 = (n1 * n2) % m; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:383:9 [INFO] [stdout] | [INFO] [stdout] 383 | let mut now = Instant::now(); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "8d726012d19556df94aa328b998e4bb70658933db2ab93ce6ee9f1b676cfcf33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d726012d19556df94aa328b998e4bb70658933db2ab93ce6ee9f1b676cfcf33", kill_on_drop: false }` [INFO] [stdout] 8d726012d19556df94aa328b998e4bb70658933db2ab93ce6ee9f1b676cfcf33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 21ed5f027ba167785956925b75a1a69dfffedc3584f2cf7dc6c7795eb228b608 [INFO] running `Command { std: "docker" "start" "-a" "21ed5f027ba167785956925b75a1a69dfffedc3584f2cf7dc6c7795eb228b608", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/lib.rs:339:21 [INFO] [stderr] | [INFO] [stderr] 339 | use std::time::{Duration, Instant}; // Binary operations //Uniary operations [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> src/lib.rs:391:13 [INFO] [stderr] | [INFO] [stderr] 391 | let r2 = Finitefield::mod_multiply(n1, n2, m); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/lib.rs:401:13 [INFO] [stderr] | [INFO] [stderr] 401 | let r1 = unsafe { mul_mod(n1, n2, m) }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:406:9 [INFO] [stderr] | [INFO] [stderr] 406 | for i in 0..(1e7 as usize) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/lib.rs:410:13 [INFO] [stderr] | [INFO] [stderr] 410 | let r1 = Finitefield::mod_multiply(n1, n2, m); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:415:9 [INFO] [stderr] | [INFO] [stderr] 415 | for i in 0..(1e7 as usize) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/lib.rs:419:13 [INFO] [stderr] | [INFO] [stderr] 419 | let r1 = unsafe { mul_mod(n1, n2, m) }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:424:9 [INFO] [stderr] | [INFO] [stderr] 424 | for i in 0..(1e7 as usize) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/lib.rs:428:13 [INFO] [stderr] | [INFO] [stderr] 428 | let r1 = (n1 * n2) % m; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:383:9 [INFO] [stderr] | [INFO] [stderr] 383 | let mut now = Instant::now(); [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: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/finitefields-59e7278e8d5d0f7b) [INFO] [stdout] test test ... ok [INFO] [stderr] Doc-tests finitefields [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.55s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - Finitefield (line 28) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "21ed5f027ba167785956925b75a1a69dfffedc3584f2cf7dc6c7795eb228b608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ed5f027ba167785956925b75a1a69dfffedc3584f2cf7dc6c7795eb228b608", kill_on_drop: false }` [INFO] [stdout] 21ed5f027ba167785956925b75a1a69dfffedc3584f2cf7dc6c7795eb228b608