[INFO] fetching crate finitefields 0.1.1... [INFO] testing finitefields-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate finitefields 0.1.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate finitefields 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab1e05dba7da78973c9c365c4f3392192ba140b17c7d6b2cdfdd099ac6e7f06d [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" "ab1e05dba7da78973c9c365c4f3392192ba140b17c7d6b2cdfdd099ac6e7f06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab1e05dba7da78973c9c365c4f3392192ba140b17c7d6b2cdfdd099ac6e7f06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab1e05dba7da78973c9c365c4f3392192ba140b17c7d6b2cdfdd099ac6e7f06d", kill_on_drop: false }` [INFO] [stdout] ab1e05dba7da78973c9c365c4f3392192ba140b17c7d6b2cdfdd099ac6e7f06d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa84bc0e162766ab01ce65e4fdaf4c694fa0b471047528f2d88c4b2075f1496f [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" "fa84bc0e162766ab01ce65e4fdaf4c694fa0b471047528f2d88c4b2075f1496f", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling finitefields v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.94s [INFO] running `Command { std: "docker" "inspect" "fa84bc0e162766ab01ce65e4fdaf4c694fa0b471047528f2d88c4b2075f1496f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa84bc0e162766ab01ce65e4fdaf4c694fa0b471047528f2d88c4b2075f1496f", kill_on_drop: false }` [INFO] [stdout] fa84bc0e162766ab01ce65e4fdaf4c694fa0b471047528f2d88c4b2075f1496f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f479671e9b99e1183010722e1d0ec801631f987e4a4114c0d2c5fc0008668e34 [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" "f479671e9b99e1183010722e1d0ec801631f987e4a4114c0d2c5fc0008668e34", 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 1.08s [INFO] running `Command { std: "docker" "inspect" "f479671e9b99e1183010722e1d0ec801631f987e4a4114c0d2c5fc0008668e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f479671e9b99e1183010722e1d0ec801631f987e4a4114c0d2c5fc0008668e34", kill_on_drop: false }` [INFO] [stdout] f479671e9b99e1183010722e1d0ec801631f987e4a4114c0d2c5fc0008668e34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6465ba0061a0493abc4f8c0549d901f4da0d3604af0c9144480a6adfbe1a9da [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" "b6465ba0061a0493abc4f8c0549d901f4da0d3604af0c9144480a6adfbe1a9da", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stdout] running 1 test [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/finitefields-59e7278e8d5d0f7b) [INFO] [stdout] test test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.68s [INFO] [stdout] [INFO] [stderr] Doc-tests finitefields [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 0.83s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b6465ba0061a0493abc4f8c0549d901f4da0d3604af0c9144480a6adfbe1a9da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6465ba0061a0493abc4f8c0549d901f4da0d3604af0c9144480a6adfbe1a9da", kill_on_drop: false }` [INFO] [stdout] b6465ba0061a0493abc4f8c0549d901f4da0d3604af0c9144480a6adfbe1a9da