[INFO] cloning repository https://github.com/k-xlsx/huffman-encoding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-xlsx/huffman-encoding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-xlsx%2Fhuffman-encoding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-xlsx%2Fhuffman-encoding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e86cc287883846ae682a84478f20139337bc3fc0
[INFO] testing k-xlsx/huffman-encoding against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-xlsx%2Fhuffman-encoding" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k-xlsx/huffman-encoding on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k-xlsx/huffman-encoding
[INFO] finished tweaking git repo https://github.com/k-xlsx/huffman-encoding
[INFO] tweaked toml for git repo https://github.com/k-xlsx/huffman-encoding written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/k-xlsx/huffman-encoding 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fec3f5234b907676b310c206124762cf1fc63c9d10b817abc15e34433077591
[INFO] running `Command { std: "docker" "start" "-a" "8fec3f5234b907676b310c206124762cf1fc63c9d10b817abc15e34433077591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fec3f5234b907676b310c206124762cf1fc63c9d10b817abc15e34433077591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fec3f5234b907676b310c206124762cf1fc63c9d10b817abc15e34433077591", kill_on_drop: false }`
[INFO] [stdout] 8fec3f5234b907676b310c206124762cf1fc63c9d10b817abc15e34433077591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ec05f2431c2886ec2a7a4d664105c05e93537aaae4539c9a87bb5f32fdb857
[INFO] running `Command { std: "docker" "start" "-a" "e1ec05f2431c2886ec2a7a4d664105c05e93537aaae4539c9a87bb5f32fdb857", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitvec v0.20.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir/huff_coding)
[INFO] [stderr]    Compiling huff v1.0.6 (/opt/rustwide/workdir/huff)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "e1ec05f2431c2886ec2a7a4d664105c05e93537aaae4539c9a87bb5f32fdb857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ec05f2431c2886ec2a7a4d664105c05e93537aaae4539c9a87bb5f32fdb857", kill_on_drop: false }`
[INFO] [stdout] e1ec05f2431c2886ec2a7a4d664105c05e93537aaae4539c9a87bb5f32fdb857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7d4851eafac71cedabf2ce89564c9425ec8063af81255f47482037c5afdb9f
[INFO] running `Command { std: "docker" "start" "-a" "9d7d4851eafac71cedabf2ce89564c9425ec8063af81255f47482037c5afdb9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir/huff_coding)
[INFO] [stderr]    Compiling huff v1.0.6 (/opt/rustwide/workdir/huff)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9d7d4851eafac71cedabf2ce89564c9425ec8063af81255f47482037c5afdb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7d4851eafac71cedabf2ce89564c9425ec8063af81255f47482037c5afdb9f", kill_on_drop: false }`
[INFO] [stdout] 9d7d4851eafac71cedabf2ce89564c9425ec8063af81255f47482037c5afdb9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 203aaa4bda913060ed12c8bd86c114368df54f7a066940845b140010c69c2431
[INFO] running `Command { std: "docker" "start" "-a" "203aaa4bda913060ed12c8bd86c114368df54f7a066940845b140010c69c2431", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huff-7175e3d4a35b6276)
[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/deps/huff-464aa937b0c37fb5)
[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/deps/huff_coding-1caad6a1357815fa)
[INFO] [stderr]      Running tests/comp_decomp.rs (/opt/rustwide/target/debug/deps/comp_decomp-1ca1e4ce19ca04ae)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compress_decompress ... 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]      Running tests/tree_bin.rs (/opt/rustwide/target/debug/deps/tree_bin-cf7ba0e6df15eb31)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tree_from_bin ... ok
[INFO] [stdout] test tree_bin_invalid_vec - should panic ... ok
[INFO] [stdout] test tree_bin_invalid_type - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree_init.rs (/opt/rustwide/target/debug/deps/tree_init-f26bfac19e2b3183)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tree_single_branch ... ok
[INFO] [stdout] test tree_normal_init ... ok
[INFO] [stdout] test tree_invalid_weights - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests huff
[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 huff_coding
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test huff_coding/src/tree/leaf.rs - tree::leaf::HuffLeaf (line 18) ... ok
[INFO] [stdout] test huff_coding/src/tree/branch.rs - tree::branch::HuffBranch (line 90) ... ok
[INFO] [stdout] test huff_coding/src/tree/branch.rs - tree::branch::HuffBranch<L>::children_iter (line 216) ... ok
[INFO] [stdout] test huff_coding/src/tree/branch.rs - tree::branch::HuffBranch (line 16) ... ok
[INFO] [stdout] test huff_coding/src/tree/branch.rs - tree::branch::HuffBranch (line 44) ... ok
[INFO] [stdout] test huff_coding/src/tree/branch.rs - tree::branch::HuffBranch (line 122) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::compress_with_tree (line 399) ... ok
[INFO] [stdout] test huff_coding/src/lib.rs - (line 64) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::CompressData<L>::try_from_bytes (line 98) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::compress_with_tree (line 377) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 151) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 176) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 165) ... ok
[INFO] [stdout] test huff_coding/src/lib.rs - (line 13) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 110) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::CompressData<L>::to_bytes (line 205) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::decompress (line 466) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 81) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 55) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::as_bin (line 620) ... ok
[INFO] [stdout] test huff_coding/src/comp.rs - comp::compress (line 326) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 267) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 234) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 208) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes_with_hasher (line 366) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights (line 162) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights (line 153) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights (line 145) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes (line 337) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights::add_byte_weights (line 362) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 460) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights::from_bytes (line 259) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::build_weights_map (line 61) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::build_weights_map_with_hasher (line 91) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::byte_weights::ByteWeights::threaded_from_bytes (line 287) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 499) ... ok
[INFO] [stdout] test huff_coding/src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 510) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::build_weights_map (line 72) ... ok
[INFO] [stdout] test huff_coding/src/weights.rs - weights::build_weights_map_with_hasher (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "203aaa4bda913060ed12c8bd86c114368df54f7a066940845b140010c69c2431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203aaa4bda913060ed12c8bd86c114368df54f7a066940845b140010c69c2431", kill_on_drop: false }`
[INFO] [stdout] 203aaa4bda913060ed12c8bd86c114368df54f7a066940845b140010c69c2431