[INFO] fetching crate mel_filter 0.1.1...
[INFO] testing mel_filter-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mel_filter 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mel_filter 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mel_filter 0.1.1
[INFO] finished tweaking crates.io crate mel_filter 0.1.1
[INFO] tweaked toml for crates.io crate mel_filter 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 185ab8c0fe07f089bc396ed667ddbe4522a328fef30100751f26ab7e6df534f6
[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" "185ab8c0fe07f089bc396ed667ddbe4522a328fef30100751f26ab7e6df534f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "185ab8c0fe07f089bc396ed667ddbe4522a328fef30100751f26ab7e6df534f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185ab8c0fe07f089bc396ed667ddbe4522a328fef30100751f26ab7e6df534f6", kill_on_drop: false }`
[INFO] [stdout] 185ab8c0fe07f089bc396ed667ddbe4522a328fef30100751f26ab7e6df534f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305b39631f62ccd6d8d32414f038fde787feae8a807c25268ad56325d8454cb6
[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" "305b39631f62ccd6d8d32414f038fde787feae8a807c25268ad56325d8454cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling mel_filter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "305b39631f62ccd6d8d32414f038fde787feae8a807c25268ad56325d8454cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305b39631f62ccd6d8d32414f038fde787feae8a807c25268ad56325d8454cb6", kill_on_drop: false }`
[INFO] [stdout] 305b39631f62ccd6d8d32414f038fde787feae8a807c25268ad56325d8454cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58dfd19b7b1337d43fbf4f25e0f347f9ad604ed1b2acc8764269bcae60411a39
[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" "58dfd19b7b1337d43fbf4f25e0f347f9ad604ed1b2acc8764269bcae60411a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling mel_filter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "58dfd19b7b1337d43fbf4f25e0f347f9ad604ed1b2acc8764269bcae60411a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dfd19b7b1337d43fbf4f25e0f347f9ad604ed1b2acc8764269bcae60411a39", kill_on_drop: false }`
[INFO] [stdout] 58dfd19b7b1337d43fbf4f25e0f347f9ad604ed1b2acc8764269bcae60411a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa64915ae2a5304eae56b298f024fe170e649209eb8dfdf0ee5701fceb1ccf84
[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" "aa64915ae2a5304eae56b298f024fe170e649209eb8dfdf0ee5701fceb1ccf84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mel_filter-192cbd885f628958)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mel_filter
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - mel_frequencies (line 180) ... FAILED
[INFO] [stdout] test src/lib.rs - mel_to_hz (line 101) ... ok
[INFO] [stdout] test src/lib.rs - fft_frequencies (line 280) ... ok
[INFO] [stdout] test src/lib.rs - hz_to_mel (line 28) ... ok
[INFO] [stdout] test src/lib.rs - mel_frequencies (line 226) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - mel (line 315) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - mel_frequencies (line 180) stdout ----
[INFO] [stdout] error: unexpected token: `}`
[INFO] [stdout]  --> src/lib.rs:182:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | } _doctest_main_src_lib_rs_180_0() }
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `mel` in this scope
[INFO] [stdout]  --> src/lib.rs:181:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mel = 2595.0 * (1.0 + f / 700.0).log10().
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mel_filter::mel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `f` in this scope
[INFO] [stdout]  --> src/lib.rs:181:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | mel = 2595.0 * (1.0 + f / 700.0).log10().
[INFO] [stdout]   |                       ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `log10` on ambiguous numeric type `{float}`
[INFO] [stdout]  --> src/lib.rs:181:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | mel = 2595.0 * (1.0 + f / 700.0).log10().
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0689.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - mel_frequencies (line 180)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa64915ae2a5304eae56b298f024fe170e649209eb8dfdf0ee5701fceb1ccf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa64915ae2a5304eae56b298f024fe170e649209eb8dfdf0ee5701fceb1ccf84", kill_on_drop: false }`
[INFO] [stdout] aa64915ae2a5304eae56b298f024fe170e649209eb8dfdf0ee5701fceb1ccf84