[INFO] cloning repository https://github.com/grng3r/cryptosteganogram-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grng3r/cryptosteganogram-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Fcryptosteganogram-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Fcryptosteganogram-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 273c1366e8278da64a7d22efe0ee0086ed5487cc [INFO] testing grng3r/cryptosteganogram-rs against 1.100.0-beta.1 for beta-1.100-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Fcryptosteganogram-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/grng3r/cryptosteganogram-rs [INFO] finished tweaking git repo https://github.com/grng3r/cryptosteganogram-rs [INFO] tweaked toml for git repo https://github.com/grng3r/cryptosteganogram-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/grng3r/cryptosteganogram-rs on toolchain 1.100.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/grng3r/cryptosteganogram-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670 [INFO] running `Command { std: "docker" "start" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling log v0.4.26 [INFO] [stderr] Compiling strength_reduce v0.2.4 [INFO] [stderr] Compiling hound v3.5.1 [INFO] [stderr] Compiling cryptosteganogram v0.1.0 (/opt/rustwide/workdir/cryptosteganogram) [INFO] [stderr] Compiling rustfft v6.2.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling primal-check v0.3.4 [INFO] [stderr] Compiling transpose v0.2.3 [INFO] [stderr] Compiling snafu-derive v0.8.5 [INFO] [stderr] Compiling snafu v0.8.5 [INFO] [stderr] Compiling midi_file v0.0.6 [INFO] [stderr] Compiling steganography v0.1.0 (/opt/rustwide/workdir/steganography) [INFO] [stderr] Compiling musical_cryptogram v0.1.0 (/opt/rustwide/workdir/musical_cryptogram) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> musical_cryptogram/src/lib.rs:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | let mut n = letter_to_note(scale, c).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:677:5 [INFO] [stdout] | [INFO] [stdout] 677 | track.set_name("Challenge_only_notes"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 677 | let _ = track.set_name("Challenge_only_notes"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:678:5 [INFO] [stdout] | [INFO] [stdout] 678 | track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 678 | let _ = track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: unused dependency `hound` [INFO] [stderr] --> steganography/Cargo.toml:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | hound = "3.5.1" [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::unused_dependencies` is set to `warn` by default [INFO] [stderr] help: consider removing the dependency on `hound` [INFO] [stderr] warning: unused dependency `rustfft` [INFO] [stderr] --> steganography/Cargo.toml:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | rustfft = "6.2.0" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider removing the dependency on `rustfft` [INFO] [stderr] warning: `steganography` (manifest) generated 2 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.28s [INFO] running `Command { std: "docker" "inspect" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling musical_cryptogram v0.1.0 (/opt/rustwide/workdir/musical_cryptogram) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> musical_cryptogram/src/lib.rs:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | let mut n = letter_to_note(scale, c).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:677:5 [INFO] [stdout] | [INFO] [stdout] 677 | track.set_name("Challenge_only_notes"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 677 | let _ = track.set_name("Challenge_only_notes"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:678:5 [INFO] [stdout] | [INFO] [stdout] 678 | track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 678 | let _ = track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling steganography v0.1.0 (/opt/rustwide/workdir/steganography) [INFO] [stderr] Compiling cryptosteganogram v0.1.0 (/opt/rustwide/workdir/cryptosteganogram) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> musical_cryptogram/src/lib.rs:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | let mut n = letter_to_note(scale, c).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:677:5 [INFO] [stdout] | [INFO] [stdout] 677 | track.set_name("Challenge_only_notes"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 677 | let _ = track.set_name("Challenge_only_notes"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> musical_cryptogram/src/lib.rs:678:5 [INFO] [stdout] | [INFO] [stdout] 678 | track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 678 | let _ = track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: unused dependency `hound` [INFO] [stderr] --> steganography/Cargo.toml:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | hound = "3.5.1" [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::unused_dependencies` is set to `warn` by default [INFO] [stderr] help: consider removing the dependency on `hound` [INFO] [stderr] warning: unused dependency `rustfft` [INFO] [stderr] --> steganography/Cargo.toml:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | rustfft = "6.2.0" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider removing the dependency on `rustfft` [INFO] [stderr] warning: `steganography` (manifest) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> musical_cryptogram/src/lib.rs:736:17 [INFO] [stderr] | [INFO] [stderr] 736 | let mut n = letter_to_note(scale, c).unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> musical_cryptogram/src/lib.rs:677:5 [INFO] [stderr] | [INFO] [stderr] 677 | track.set_name("Challenge_only_notes"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 677 | let _ = track.set_name("Challenge_only_notes"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> musical_cryptogram/src/lib.rs:678:5 [INFO] [stderr] | [INFO] [stderr] 678 | track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 678 | let _ = track.set_general_midi(channel, GeneralMidi::ElectricGrandPiano); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `musical_cryptogram` (lib) generated 3 warnings (run `cargo fix --lib -p musical_cryptogram` to apply 1 suggestion) [INFO] [stderr] warning: `musical_cryptogram` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] warning: unused dependency `hound` [INFO] [stderr] --> steganography/Cargo.toml:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | hound = "3.5.1" [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::unused_dependencies` is set to `warn` by default [INFO] [stderr] help: consider removing the dependency on `hound` [INFO] [stderr] warning: unused dependency `rustfft` [INFO] [stderr] --> steganography/Cargo.toml:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | rustfft = "6.2.0" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider removing the dependency on `rustfft` [INFO] [stderr] warning: `steganography` (manifest) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/build/cryptosteganogram/791a3b58ffb6eaf3/out/cryptosteganogram-791a3b58ffb6eaf3) [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 unittests src/lib.rs (/opt/rustwide/target/debug/build/musical_cryptogram/48d73946984a97f7/out/musical_cryptogram-48d73946984a97f7) [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 unittests src/main.rs (/opt/rustwide/target/debug/build/musical_cryptogram/458a1c6d76c15506/out/musical_encrypt-458a1c6d76c15506) [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 unittests src/lib.rs (/opt/rustwide/target/debug/build/steganography/b07adf60a7def3e8/out/steganography-b07adf60a7def3e8) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests musical_cryptogram [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] Doc-tests steganography [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" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670", kill_on_drop: false }` [INFO] [stdout] 775eb3b3a64a8adf9bf45c4c0cff7db755e281deafc329bc31045776f4361670