[INFO] fetching crate discrete_transforms 0.1.3... [INFO] testing discrete_transforms-0.1.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate discrete_transforms 0.1.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate discrete_transforms 0.1.3 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 discrete_transforms 0.1.3 [INFO] finished tweaking crates.io crate discrete_transforms 0.1.3 [INFO] tweaked toml for crates.io crate discrete_transforms 0.1.3 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 2b5270d3b4821df8b926106b14d293a99e45956d9f54143be446ffc151fee616 [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" "2b5270d3b4821df8b926106b14d293a99e45956d9f54143be446ffc151fee616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b5270d3b4821df8b926106b14d293a99e45956d9f54143be446ffc151fee616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b5270d3b4821df8b926106b14d293a99e45956d9f54143be446ffc151fee616", kill_on_drop: false }` [INFO] [stdout] 2b5270d3b4821df8b926106b14d293a99e45956d9f54143be446ffc151fee616 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 04002a753bfa943d36125a01db7aef0368247b4a50a011295849eebe9ff55393 [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" "04002a753bfa943d36125a01db7aef0368247b4a50a011295849eebe9ff55393", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling discrete_transforms v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.00s [INFO] running `Command { std: "docker" "inspect" "04002a753bfa943d36125a01db7aef0368247b4a50a011295849eebe9ff55393", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04002a753bfa943d36125a01db7aef0368247b4a50a011295849eebe9ff55393", kill_on_drop: false }` [INFO] [stdout] 04002a753bfa943d36125a01db7aef0368247b4a50a011295849eebe9ff55393 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1254bd55c0d939812a2cbc4109e9807109064e5ef20c2c01b05ce1ee969ec28e [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" "1254bd55c0d939812a2cbc4109e9807109064e5ef20c2c01b05ce1ee969ec28e", kill_on_drop: false }` [INFO] [stderr] Compiling discrete_transforms v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.47s [INFO] running `Command { std: "docker" "inspect" "1254bd55c0d939812a2cbc4109e9807109064e5ef20c2c01b05ce1ee969ec28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1254bd55c0d939812a2cbc4109e9807109064e5ef20c2c01b05ce1ee969ec28e", kill_on_drop: false }` [INFO] [stdout] 1254bd55c0d939812a2cbc4109e9807109064e5ef20c2c01b05ce1ee969ec28e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ce6d2d2adf4bff553e45cc1377559f6311031b0a4e7f0c50b8bdca0e6c4e1a8c [INFO] running `Command { std: "docker" "start" "-a" "ce6d2d2adf4bff553e45cc1377559f6311031b0a4e7f0c50b8bdca0e6c4e1a8c", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] [INFO] [stderr] --> src/haar_1d.rs:52:17 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ----^^^^ [INFO] [stdout] [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/haar_1d.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/haar_1d.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/haar_1d.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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: variable does not need to be mutable [INFO] [stderr] --> src/haar_1d.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/haar_1d.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/discrete_transforms-2d5d48c9b49d678a) [INFO] [stderr] Running tests/dct_1d_tests.rs (/opt/rustwide/target/debug/deps/dct_1d_tests-7e2d17e231136394) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test dct_1d_inverse_test ... ok [INFO] [stdout] test dct_1d_forward_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/dct_2d_tests.rs (/opt/rustwide/target/debug/deps/dct_2d_tests-ef4f9301b22b88ff) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/haar_1d_tests.rs (/opt/rustwide/target/debug/deps/haar_1d_tests-79183bc1cbb5ce78) [INFO] [stdout] test dct_2d_inverse_test ... ok [INFO] [stdout] test dct_2d_forward_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test haar_1d_forward_test ... ok [INFO] [stdout] test haar_1d_inverse_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/haar_2d_tests.rs (/opt/rustwide/target/debug/deps/haar_2d_tests-87cf260b3796df07) [INFO] [stdout] [INFO] [stderr] Doc-tests discrete_transforms [INFO] [stdout] running 2 tests [INFO] [stdout] test haar_2d_forward_test ... ok [INFO] [stdout] test haar_2d_inverse_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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" "ce6d2d2adf4bff553e45cc1377559f6311031b0a4e7f0c50b8bdca0e6c4e1a8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce6d2d2adf4bff553e45cc1377559f6311031b0a4e7f0c50b8bdca0e6c4e1a8c", kill_on_drop: false }` [INFO] [stdout] ce6d2d2adf4bff553e45cc1377559f6311031b0a4e7f0c50b8bdca0e6c4e1a8c