[INFO] fetching crate huffman-coding 0.1.2... [INFO] testing huffman-coding-0.1.2 against 1.90.0 for beta-1.91-3 [INFO] extracting crate huffman-coding 0.1.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate huffman-coding 0.1.2 [INFO] finished tweaking crates.io crate huffman-coding 0.1.2 [INFO] tweaked toml for crates.io crate huffman-coding 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate huffman-coding 0.1.2 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding bit-vec v0.4.4 (available: v0.8.0) [INFO] [stderr] Adding bitstream-rs v0.1.2 (available: v0.2.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * src/bin/util.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`? [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit-vec v0.4.4 [INFO] [stderr] Downloaded bitstream-rs v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a7ad239bb608fcc9cdd6bce7e7792f469b3848ead7f74200aa360cf07412cb5 [INFO] running `Command { std: "docker" "start" "-a" "3a7ad239bb608fcc9cdd6bce7e7792f469b3848ead7f74200aa360cf07412cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a7ad239bb608fcc9cdd6bce7e7792f469b3848ead7f74200aa360cf07412cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a7ad239bb608fcc9cdd6bce7e7792f469b3848ead7f74200aa360cf07412cb5", kill_on_drop: false }` [INFO] [stdout] 3a7ad239bb608fcc9cdd6bce7e7792f469b3848ead7f74200aa360cf07412cb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e155d5a2598b388a84ce97ff433732ee111f416969ac7ce7ad3f5d07294301a2 [INFO] running `Command { std: "docker" "start" "-a" "e155d5a2598b388a84ce97ff433732ee111f416969ac7ce7ad3f5d07294301a2", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * src/bin/util.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`? [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling bitstream-rs v0.1.2 [INFO] [stderr] Compiling huffman-coding v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:334:12 [INFO] [stdout] | [INFO] [stdout] 334 | Ok((pos)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 334 - Ok((pos)) [INFO] [stdout] 334 + Ok(pos) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "e155d5a2598b388a84ce97ff433732ee111f416969ac7ce7ad3f5d07294301a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e155d5a2598b388a84ce97ff433732ee111f416969ac7ce7ad3f5d07294301a2", kill_on_drop: false }` [INFO] [stdout] e155d5a2598b388a84ce97ff433732ee111f416969ac7ce7ad3f5d07294301a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22dc00b476ea91af9f934c8eea35104202370712b302b2f0788285418f4e5707 [INFO] running `Command { std: "docker" "start" "-a" "22dc00b476ea91af9f934c8eea35104202370712b302b2f0788285418f4e5707", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * src/bin/util.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`? [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:334:12 [INFO] [stdout] | [INFO] [stdout] 334 | Ok((pos)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 334 - Ok((pos)) [INFO] [stdout] 334 + Ok(pos) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling huffman-coding v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:334:12 [INFO] [stdout] | [INFO] [stdout] 334 | Ok((pos)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 334 - Ok((pos)) [INFO] [stdout] 334 + Ok(pos) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "22dc00b476ea91af9f934c8eea35104202370712b302b2f0788285418f4e5707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22dc00b476ea91af9f934c8eea35104202370712b302b2f0788285418f4e5707", kill_on_drop: false }` [INFO] [stdout] 22dc00b476ea91af9f934c8eea35104202370712b302b2f0788285418f4e5707 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 95c950f136f00e07cf10c4a47a9c310a3a58eba873e4f54a8d3229d18d1f6e1c [INFO] running `Command { std: "docker" "start" "-a" "95c950f136f00e07cf10c4a47a9c310a3a58eba873e4f54a8d3229d18d1f6e1c", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * src/bin/util.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`? [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:334:12 [INFO] [stderr] | [INFO] [stderr] 334 | Ok((pos)) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 334 - Ok((pos)) [INFO] [stderr] 334 + Ok(pos) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `huffman-coding` (lib) generated 1 warning (run `cargo fix --lib -p huffman-coding` to apply 1 suggestion) [INFO] [stderr] warning: `huffman-coding` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffman_coding-6370364e90e9f971) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_tree_builder ... ok [INFO] [stdout] test tests::test_writer ... ok [INFO] [stdout] test tests::test_reader ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/decode.rs (/opt/rustwide/target/debug/deps/decode-d5ee48429ac08252) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/encode.rs (/opt/rustwide/target/debug/deps/encode-c03841d37c9c58c3) [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] [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 huffman_coding [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:334:12 [INFO] [stderr] | [INFO] [stderr] 334 | Ok((pos)) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 334 - Ok((pos)) [INFO] [stderr] 334 + Ok(pos) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - HuffmanTree (line 29) ... ok [INFO] [stdout] test src/lib.rs - HuffmanTree::from_data (line 131) ... ok [INFO] [stdout] test src/lib.rs - HuffmanReader (line 276) ... ok [INFO] [stdout] test src/lib.rs - HuffmanWriter (line 229) ... ok [INFO] [stdout] test src/lib.rs - HuffmanTree::from_table (line 90) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "95c950f136f00e07cf10c4a47a9c310a3a58eba873e4f54a8d3229d18d1f6e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95c950f136f00e07cf10c4a47a9c310a3a58eba873e4f54a8d3229d18d1f6e1c", kill_on_drop: false }` [INFO] [stdout] 95c950f136f00e07cf10c4a47a9c310a3a58eba873e4f54a8d3229d18d1f6e1c