[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 1.52.1 for beta-1.53-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-xlsx%2Fhuffman-encoding" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k-xlsx/huffman-encoding on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "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-0/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: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dded17fd4de277736dca12037c42b83160f1c22664cd41202bbd687f1cb46b3a
[INFO] running `Command { std: "docker" "start" "-a" "dded17fd4de277736dca12037c42b83160f1c22664cd41202bbd687f1cb46b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dded17fd4de277736dca12037c42b83160f1c22664cd41202bbd687f1cb46b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dded17fd4de277736dca12037c42b83160f1c22664cd41202bbd687f1cb46b3a", kill_on_drop: false }`
[INFO] [stdout] dded17fd4de277736dca12037c42b83160f1c22664cd41202bbd687f1cb46b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff24b3e108cebc91715797812f5133362a13f9398e4ddc9f027f09051fb381e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eff24b3e108cebc91715797812f5133362a13f9398e4ddc9f027f09051fb381e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bitvec v0.20.1
[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 [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "eff24b3e108cebc91715797812f5133362a13f9398e4ddc9f027f09051fb381e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff24b3e108cebc91715797812f5133362a13f9398e4ddc9f027f09051fb381e", kill_on_drop: false }`
[INFO] [stdout] eff24b3e108cebc91715797812f5133362a13f9398e4ddc9f027f09051fb381e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113e245655174affe49f1ed4f29e2646c78431696d13bfcc05546ec25d474a31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "113e245655174affe49f1ed4f29e2646c78431696d13bfcc05546ec25d474a31", 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 [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "113e245655174affe49f1ed4f29e2646c78431696d13bfcc05546ec25d474a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113e245655174affe49f1ed4f29e2646c78431696d13bfcc05546ec25d474a31", kill_on_drop: false }`
[INFO] [stdout] 113e245655174affe49f1ed4f29e2646c78431696d13bfcc05546ec25d474a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a14aed4ac4967d0efd06e9874e1528e65628153887a46e1da6f06ffcd586439e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a14aed4ac4967d0efd06e9874e1528e65628153887a46e1da6f06ffcd586439e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huff-5eafa5c513269374)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huff-44203825877c422b)
[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 (/opt/rustwide/target/debug/deps/huff_coding-eb1bab33bbb76826)
[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 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 tests/comp_decomp.rs (/opt/rustwide/target/debug/deps/comp_decomp-44bef4dbedb1e58a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/tree_bin.rs (/opt/rustwide/target/debug/deps/tree_bin-d4c523d2265c83c2)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tree_from_bin ... ok
[INFO] [stdout] test tree_bin_invalid_vec ... ok
[INFO] [stdout] test tree_bin_invalid_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree_init.rs (/opt/rustwide/target/debug/deps/tree_init-4bc63013ef702668)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tree_normal_init ... ok
[INFO] [stdout] test tree_single_branch ... ok
[INFO] [stdout] test tree_invalid_weights ... 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]    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 src/tree/branch.rs - tree::branch::HuffBranch (line 122) ... ok
[INFO] [stdout] test src/tree/leaf.rs - tree::leaf::HuffLeaf (line 18) ... ok
[INFO] [stdout] test src/tree/branch.rs - tree::branch::HuffBranch<L>::children_iter (line 216) ... ok
[INFO] [stdout] test src/tree/branch.rs - tree::branch::HuffBranch (line 16) ... ok
[INFO] [stdout] test src/tree/branch.rs - tree::branch::HuffBranch (line 90) ... ok
[INFO] [stdout] test src/tree/branch.rs - tree::branch::HuffBranch (line 44) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 55) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::as_bin (line 620) ... FAILED
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 208) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/comp.rs - comp::CompressData<L>::try_from_bytes (line 98) ... FAILED
[INFO] [stdout] test src/comp.rs - comp::CompressData<L>::to_bytes (line 205) ... FAILED
[INFO] [stdout] test src/comp.rs - comp::compress_with_tree (line 399) ... ok
[INFO] [stdout] test src/comp.rs - comp::compress_with_tree (line 377) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 151) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 110) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes_with_hasher (line 366) ... FAILED
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 499) ... FAILED
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 460) ... FAILED
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 176) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 165) ... ok
[INFO] [stdout] test src/weights.rs - weights::build_weights_map_with_hasher (line 102) ... FAILED
[INFO] [stdout] test src/comp.rs - comp::decompress (line 466) ... FAILED
[INFO] [stdout] test src/weights.rs - weights::build_weights_map_with_hasher (line 91) ... ok
[INFO] [stdout] test src/weights.rs - weights::build_weights_map (line 61) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes (line 337) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights (line 153) ... ok
[INFO] [stdout] test src/comp.rs - comp::compress (line 326) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights (line 162) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights (line 145) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights::add_byte_weights (line 362) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 267) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights::from_bytes (line 259) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 510) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 234) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 81) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights::threaded_from_bytes (line 287) ... ok
[INFO] [stdout] test src/weights.rs - weights::build_weights_map (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 55) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::as_bin (line 620) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 208) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 64) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/comp.rs - comp::CompressData<L>::try_from_bytes (line 98) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/comp.rs - comp::CompressData<L>::to_bytes (line 205) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes_with_hasher (line 366) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 499) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 460) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/weights.rs - weights::build_weights_map_with_hasher (line 102) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/comp.rs - comp::decompress (line 466) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/comp.rs - comp::CompressData<L>::to_bytes (line 205)
[INFO] [stdout]     src/comp.rs - comp::CompressData<L>::try_from_bytes (line 98)
[INFO] [stdout]     src/comp.rs - comp::decompress (line 466)
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 55)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::as_bin (line 620)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 208)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes_with_hasher (line 366)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 460)
[INFO] [stdout]     src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 499)
[INFO] [stdout]     src/weights.rs - weights::build_weights_map_with_hasher (line 102)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 27 passed; 12 failed; 0 ignored; 0 measured; 0 filtered out; finished in 24.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a14aed4ac4967d0efd06e9874e1528e65628153887a46e1da6f06ffcd586439e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14aed4ac4967d0efd06e9874e1528e65628153887a46e1da6f06ffcd586439e", kill_on_drop: false }`
[INFO] [stdout] a14aed4ac4967d0efd06e9874e1528e65628153887a46e1da6f06ffcd586439e