[INFO] fetching crate huff-tree-tap 0.0.2...
[INFO] testing huff-tree-tap-0.0.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate huff-tree-tap 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate huff-tree-tap 0.0.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huff-tree-tap 0.0.2
[INFO] finished tweaking crates.io crate huff-tree-tap 0.0.2
[INFO] tweaked toml for crates.io crate huff-tree-tap 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4744fb63b023cb58fd32ad12fed238b47bdea337ab720b304b7b47c8f83b7b2b
[INFO] running `Command { std: "docker" "start" "-a" "4744fb63b023cb58fd32ad12fed238b47bdea337ab720b304b7b47c8f83b7b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4744fb63b023cb58fd32ad12fed238b47bdea337ab720b304b7b47c8f83b7b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4744fb63b023cb58fd32ad12fed238b47bdea337ab720b304b7b47c8f83b7b2b", kill_on_drop: false }`
[INFO] [stdout] 4744fb63b023cb58fd32ad12fed238b47bdea337ab720b304b7b47c8f83b7b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9e8a9b4ffd3a3ec17c84c8743cb18aa16855f3d8fe994b8120adde57ddc9b18
[INFO] running `Command { std: "docker" "start" "-a" "a9e8a9b4ffd3a3ec17c84c8743cb18aa16855f3d8fe994b8120adde57ddc9b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling huff-tree-tap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.18s
[INFO] running `Command { std: "docker" "inspect" "a9e8a9b4ffd3a3ec17c84c8743cb18aa16855f3d8fe994b8120adde57ddc9b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e8a9b4ffd3a3ec17c84c8743cb18aa16855f3d8fe994b8120adde57ddc9b18", kill_on_drop: false }`
[INFO] [stdout] a9e8a9b4ffd3a3ec17c84c8743cb18aa16855f3d8fe994b8120adde57ddc9b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3de418034169530ee4985a83029457b8254ad2fe258157ab93e62fa66e1425
[INFO] running `Command { std: "docker" "start" "-a" "5a3de418034169530ee4985a83029457b8254ad2fe258157ab93e62fa66e1425", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff-tree-tap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "5a3de418034169530ee4985a83029457b8254ad2fe258157ab93e62fa66e1425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3de418034169530ee4985a83029457b8254ad2fe258157ab93e62fa66e1425", kill_on_drop: false }`
[INFO] [stdout] 5a3de418034169530ee4985a83029457b8254ad2fe258157ab93e62fa66e1425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec3457db9892a28f4aefde14aa5f7b2f2adbcaa50a26ab105e11d341d66d425c
[INFO] running `Command { std: "docker" "start" "-a" "ec3457db9892a28f4aefde14aa5f7b2f2adbcaa50a26ab105e11d341d66d425c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huff_tree_tap-0f1587728b363904)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_bin_string_to_u8_vec ... ok
[INFO] [stdout] test tests::test_pad_encoded_data ... ok
[INFO] [stdout] test tests::test_huffman_decode_bin_string ... ok
[INFO] [stdout] test tests::test_build_huffman_tree_build_encoding_map ... ok
[INFO] [stdout] test tests::test_build_frequency_map ... ok
[INFO] [stdout] test tests::test_invert_encoding_map ... ok
[INFO] [stdout] test tests::test_huffman_encode_string ... ok
[INFO] [stdout] test tests::test_u8_vec_to_bin_string ... ok
[INFO] [stdout] test tests::test_unpad_encoded_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-2aa11b9f6768553d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests huff-tree-tap
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_huffman_encode ... ok
[INFO] [stdout] test test_huffman_decode ... 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" "ec3457db9892a28f4aefde14aa5f7b2f2adbcaa50a26ab105e11d341d66d425c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3457db9892a28f4aefde14aa5f7b2f2adbcaa50a26ab105e11d341d66d425c", kill_on_drop: false }`
[INFO] [stdout] ec3457db9892a28f4aefde14aa5f7b2f2adbcaa50a26ab105e11d341d66d425c