Dec 15 08:29:29.660 INFO testing huffman-coding-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 08:29:29.660 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 08:29:30.083 INFO [stdout] 6cb5b4d39cb9a989ba9e6e42ceefc824c8d478d10c7875a0d9b5dc8e68ea1e31
Dec 15 08:29:30.085 INFO running `"docker" "start" "-a" "6cb5b4d39cb9a989ba9e6e42ceefc824c8d478d10c7875a0d9b5dc8e68ea1e31"`
Dec 15 08:29:31.324 INFO [stderr] usermod: no changes
Dec 15 08:29:31.375 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 15 08:29:31.375 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 15 08:29:31.375 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 15 08:29:31.375 INFO [stderr] files will be included as a binary target:
Dec 15 08:29:31.375 INFO [stderr] 
Dec 15 08:29:31.375 INFO [stderr] * /source/src/bin/util.rs
Dec 15 08:29:31.375 INFO [stderr] 
Dec 15 08:29:31.375 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 15 08:29:31.375 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 15 08:29:31.375 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 15 08:29:31.375 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 15 08:29:31.375 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 15 08:29:31.375 INFO [stderr] 
Dec 15 08:29:31.375 INFO [stderr] For more information on this warning you can consult
Dec 15 08:29:31.375 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 15 08:29:31.375 INFO [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`?
Dec 15 08:29:31.412 INFO [stderr]    Compiling bitstream-rs v0.1.2
Dec 15 08:29:32.137 INFO [stderr]    Compiling huffman-coding v0.1.2 (/source)
Dec 15 08:29:32.752 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 08:29:32.752 INFO [stderr]    --> src/lib.rs:334:12
Dec 15 08:29:32.752 INFO [stderr]     |
Dec 15 08:29:32.752 INFO [stderr] 334 |         Ok((pos))
Dec 15 08:29:32.752 INFO [stderr]     |            ^^^^^ help: remove these parentheses
Dec 15 08:29:32.752 INFO [stderr]     |
Dec 15 08:29:32.752 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 08:29:32.752 INFO [stderr] 
Dec 15 08:29:34.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
Dec 15 08:29:34.959 INFO [stderr] su: No module specific data is present
Dec 15 08:29:35.458 INFO running `"docker" "inspect" "6cb5b4d39cb9a989ba9e6e42ceefc824c8d478d10c7875a0d9b5dc8e68ea1e31"`
Dec 15 08:29:35.765 INFO running `"docker" "rm" "-f" "6cb5b4d39cb9a989ba9e6e42ceefc824c8d478d10c7875a0d9b5dc8e68ea1e31"`
Dec 15 08:29:36.146 INFO [stdout] 6cb5b4d39cb9a989ba9e6e42ceefc824c8d478d10c7875a0d9b5dc8e68ea1e31
Dec 15 08:29:36.152 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 08:29:36.587 INFO [stdout] d1b51aad13f265321436ea8eddfd791d016f11ef6af395d3ca8720f27871e4cb
Dec 15 08:29:36.587 INFO running `"docker" "start" "-a" "d1b51aad13f265321436ea8eddfd791d016f11ef6af395d3ca8720f27871e4cb"`
Dec 15 08:29:37.718 INFO [stderr] usermod: no changes
Dec 15 08:29:37.765 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 15 08:29:37.765 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 15 08:29:37.765 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 15 08:29:37.765 INFO [stderr] files will be included as a binary target:
Dec 15 08:29:37.765 INFO [stderr] 
Dec 15 08:29:37.765 INFO [stderr] * /source/src/bin/util.rs
Dec 15 08:29:37.765 INFO [stderr] 
Dec 15 08:29:37.765 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 15 08:29:37.765 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 15 08:29:37.765 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 15 08:29:37.765 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 15 08:29:37.765 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 15 08:29:37.765 INFO [stderr] 
Dec 15 08:29:37.765 INFO [stderr] For more information on this warning you can consult
Dec 15 08:29:37.765 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 15 08:29:37.765 INFO [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`?
Dec 15 08:29:37.815 INFO [stderr]    Compiling huffman-coding v0.1.2 (/source)
Dec 15 08:29:39.715 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 15 08:29:39.715 INFO [stderr]    --> src/lib.rs:334:12
Dec 15 08:29:39.715 INFO [stderr]     |
Dec 15 08:29:39.715 INFO [stderr] 334 |         Ok((pos))
Dec 15 08:29:39.715 INFO [stderr]     |            ^^^^^ help: remove these parentheses
Dec 15 08:29:39.715 INFO [stderr]     |
Dec 15 08:29:39.715 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 08:29:39.715 INFO [stderr] 
Dec 15 08:29:41.243 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
Dec 15 08:29:41.243 INFO [stderr] su: No module specific data is present
Dec 15 08:29:41.676 INFO running `"docker" "inspect" "d1b51aad13f265321436ea8eddfd791d016f11ef6af395d3ca8720f27871e4cb"`
Dec 15 08:29:42.086 INFO running `"docker" "rm" "-f" "d1b51aad13f265321436ea8eddfd791d016f11ef6af395d3ca8720f27871e4cb"`
Dec 15 08:29:42.334 INFO [stdout] d1b51aad13f265321436ea8eddfd791d016f11ef6af395d3ca8720f27871e4cb
Dec 15 08:29:42.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 08:29:42.799 INFO [stdout] d506869bf3441358189abf71fb1e29ffabd49e4701ecd37ffafc1a63bdf24cf0
Dec 15 08:29:42.811 INFO running `"docker" "start" "-a" "d506869bf3441358189abf71fb1e29ffabd49e4701ecd37ffafc1a63bdf24cf0"`
Dec 15 08:29:43.788 INFO [stderr] usermod: no changes
Dec 15 08:29:43.881 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 15 08:29:43.881 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 15 08:29:43.881 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 15 08:29:43.881 INFO [stderr] files will be included as a binary target:
Dec 15 08:29:43.881 INFO [stderr] 
Dec 15 08:29:43.881 INFO [stderr] * /source/src/bin/util.rs
Dec 15 08:29:43.881 INFO [stderr] 
Dec 15 08:29:43.881 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 15 08:29:43.881 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 15 08:29:43.881 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 15 08:29:43.881 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 15 08:29:43.881 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 15 08:29:43.881 INFO [stderr] 
Dec 15 08:29:43.881 INFO [stderr] For more information on this warning you can consult
Dec 15 08:29:43.881 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 15 08:29:43.881 INFO [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`?
Dec 15 08:29:43.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 15 08:29:43.943 INFO [stderr]      Running /target/debug/deps/huffman_coding-bf402ce6218e67e0
Dec 15 08:29:43.951 INFO [stdout] 
Dec 15 08:29:43.951 INFO [stdout] running 3 tests
Dec 15 08:29:43.951 INFO [stdout] test tests::test_writer ... ok
Dec 15 08:29:43.951 INFO [stdout] test tests::test_tree_builder ... ok
Dec 15 08:29:43.951 INFO [stdout] test tests::test_reader ... ok
Dec 15 08:29:43.951 INFO [stdout] 
Dec 15 08:29:43.951 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:29:43.951 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] running 0 tests
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] running 0 tests
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:29:43.959 INFO [stdout] 
Dec 15 08:29:43.959 INFO [stderr]      Running /target/debug/deps/decode-dc146bdeb8203b56
Dec 15 08:29:43.959 INFO [stderr]      Running /target/debug/deps/encode-33fa1982604b055c
Dec 15 08:29:43.960 INFO [stderr]    Doc-tests huffman_coding
Dec 15 08:29:45.011 INFO [stdout] 
Dec 15 08:29:45.011 INFO [stdout] running 5 tests
Dec 15 08:29:47.659 INFO [stdout] test src/lib.rs - HuffmanTree::from_data (line 131) ... ok
Dec 15 08:29:48.707 INFO [stdout] test src/lib.rs - HuffmanTree::from_table (line 90) ... ok
Dec 15 08:29:48.815 INFO [stdout] test src/lib.rs - HuffmanTree (line 29) ... ok
Dec 15 08:29:49.127 INFO [stdout] test src/lib.rs - HuffmanReader (line 276) ... ok
Dec 15 08:29:49.398 INFO [stdout] test src/lib.rs - HuffmanWriter (line 229) ... ok
Dec 15 08:29:49.398 INFO [stdout] 
Dec 15 08:29:49.398 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 08:29:49.398 INFO [stdout] 
Dec 15 08:29:49.413 INFO [stderr] su: No module specific data is present
Dec 15 08:29:50.027 INFO running `"docker" "inspect" "d506869bf3441358189abf71fb1e29ffabd49e4701ecd37ffafc1a63bdf24cf0"`
Dec 15 08:29:50.326 INFO running `"docker" "rm" "-f" "d506869bf3441358189abf71fb1e29ffabd49e4701ecd37ffafc1a63bdf24cf0"`
Dec 15 08:29:50.795 INFO [stdout] d506869bf3441358189abf71fb1e29ffabd49e4701ecd37ffafc1a63bdf24cf0