[INFO] fetching crate discrete_transforms 0.1.3... [INFO] testing discrete_transforms-0.1.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate discrete_transforms 0.1.3 into /workspace/builds/worker-32/source [INFO] validating manifest of crates.io crate discrete_transforms 0.1.3 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 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-32/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] e753ede574b7ea7b80863e88104e94c91b5a645addf142dcaa0971d46332cd98 [INFO] running `Command { std: "docker" "start" "-a" "e753ede574b7ea7b80863e88104e94c91b5a645addf142dcaa0971d46332cd98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e753ede574b7ea7b80863e88104e94c91b5a645addf142dcaa0971d46332cd98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e753ede574b7ea7b80863e88104e94c91b5a645addf142dcaa0971d46332cd98", kill_on_drop: false }` [INFO] [stdout] e753ede574b7ea7b80863e88104e94c91b5a645addf142dcaa0971d46332cd98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 2d34cd08fb25c3e131ee7762769c8a402f2c7b6b599fe084dfa3b364e6b7dadd [INFO] running `Command { std: "docker" "start" "-a" "2d34cd08fb25c3e131ee7762769c8a402f2c7b6b599fe084dfa3b364e6b7dadd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 3.60s [INFO] running `Command { std: "docker" "inspect" "2d34cd08fb25c3e131ee7762769c8a402f2c7b6b599fe084dfa3b364e6b7dadd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d34cd08fb25c3e131ee7762769c8a402f2c7b6b599fe084dfa3b364e6b7dadd", kill_on_drop: false }` [INFO] [stdout] 2d34cd08fb25c3e131ee7762769c8a402f2c7b6b599fe084dfa3b364e6b7dadd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 320eca7e230c65f3243ab43b68c2b6c25ef14877b6169fa02652894ea9813df7 [INFO] running `Command { std: "docker" "start" "-a" "320eca7e230c65f3243ab43b68c2b6c25ef14877b6169fa02652894ea9813df7", 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 0.60s [INFO] running `Command { std: "docker" "inspect" "320eca7e230c65f3243ab43b68c2b6c25ef14877b6169fa02652894ea9813df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "320eca7e230c65f3243ab43b68c2b6c25ef14877b6169fa02652894ea9813df7", kill_on_drop: false }` [INFO] [stdout] 320eca7e230c65f3243ab43b68c2b6c25ef14877b6169fa02652894ea9813df7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] f6898b41b10018328d0caad10cb36e7d30fd6cb51978e5dd4cdcfbeb08a15aec [INFO] running `Command { std: "docker" "start" "-a" "f6898b41b10018328d0caad10cb36e7d30fd6cb51978e5dd4cdcfbeb08a15aec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `discrete_transforms` (lib) generated 3 warnings [INFO] [stderr] warning: `discrete_transforms` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/discrete_transforms-aa1d936dbde783c3) [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 tests/dct_1d_tests.rs (/opt/rustwide/target/debug/deps/dct_1d_tests-102d6337cd530b18) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/dct_2d_tests.rs (/opt/rustwide/target/debug/deps/dct_2d_tests-8f94a0898788f59f) [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 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [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] [stderr] Running tests/haar_1d_tests.rs (/opt/rustwide/target/debug/deps/haar_1d_tests-4e6fd18c241c66ee) [INFO] [stdout] [INFO] [stderr] Running tests/haar_2d_tests.rs (/opt/rustwide/target/debug/deps/haar_2d_tests-07d9b527641e4f7b) [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 0.00s [INFO] [stdout] [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 0.00s [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" "f6898b41b10018328d0caad10cb36e7d30fd6cb51978e5dd4cdcfbeb08a15aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6898b41b10018328d0caad10cb36e7d30fd6cb51978e5dd4cdcfbeb08a15aec", kill_on_drop: false }` [INFO] [stdout] f6898b41b10018328d0caad10cb36e7d30fd6cb51978e5dd4cdcfbeb08a15aec