[INFO] fetching crate huff_coding 1.0.0...
[INFO] testing huff_coding-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate huff_coding 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate huff_coding 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate huff_coding 1.0.0
[INFO] finished tweaking crates.io crate huff_coding 1.0.0
[INFO] tweaked toml for crates.io crate huff_coding 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae303c7645382ddcb6e690f241be5d0cc3b541f0cab0413d149277dcf28d3b79
[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" "ae303c7645382ddcb6e690f241be5d0cc3b541f0cab0413d149277dcf28d3b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae303c7645382ddcb6e690f241be5d0cc3b541f0cab0413d149277dcf28d3b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae303c7645382ddcb6e690f241be5d0cc3b541f0cab0413d149277dcf28d3b79", kill_on_drop: false }`
[INFO] [stdout] ae303c7645382ddcb6e690f241be5d0cc3b541f0cab0413d149277dcf28d3b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db8bd692971a964a8d34d5c1a96516675b6909379ae1e5a2a62fdd8e87ef87c0
[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" "db8bd692971a964a8d34d5c1a96516675b6909379ae1e5a2a62fdd8e87ef87c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "db8bd692971a964a8d34d5c1a96516675b6909379ae1e5a2a62fdd8e87ef87c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8bd692971a964a8d34d5c1a96516675b6909379ae1e5a2a62fdd8e87ef87c0", kill_on_drop: false }`
[INFO] [stdout] db8bd692971a964a8d34d5c1a96516675b6909379ae1e5a2a62fdd8e87ef87c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] 60b74e80ea67c44bcde20e96efc2552a6eb7e00a355dbd01a25f493818199d38
[INFO] running `Command { std: "docker" "start" "-a" "60b74e80ea67c44bcde20e96efc2552a6eb7e00a355dbd01a25f493818199d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "60b74e80ea67c44bcde20e96efc2552a6eb7e00a355dbd01a25f493818199d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b74e80ea67c44bcde20e96efc2552a6eb7e00a355dbd01a25f493818199d38", kill_on_drop: false }`
[INFO] [stdout] 60b74e80ea67c44bcde20e96efc2552a6eb7e00a355dbd01a25f493818199d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] a001514bcc8bb6d3bf6e3bdc526b797faa2160d266469b4cc2cc780920e75c38
[INFO] running `Command { std: "docker" "start" "-a" "a001514bcc8bb6d3bf6e3bdc526b797faa2160d266469b4cc2cc780920e75c38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huff_coding-ba68794813525ddf)
[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-0711835d8b2aa1af)
[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-09e09cfac74d59f9)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree_init.rs (/opt/rustwide/target/debug/deps/tree_init-8fc9239b8270affb)
[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_coding
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[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 122) ... ok
[INFO] [stdout] test src/tree/branch.rs - tree::branch::HuffBranch (line 44) ... 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/leaf.rs - tree::leaf::HuffLeaf (line 18) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 151) ... ok
[INFO] [stdout] test src/comp.rs - comp::compress_with_tree (line 399) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... 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 110) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 165) ... ok
[INFO] [stdout] test src/comp.rs - comp::CompressData<L>::to_bytes (line 205) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::from_weights (line 208) ... ok
[INFO] [stdout] test src/comp.rs - comp::CompressData<L>::try_from_bytes (line 98) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::as_bin (line 620) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 55) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree (line 81) ... ok
[INFO] [stdout] test src/comp.rs - comp::decompress (line 466) ... 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 (line 145) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights (line 153) ... ok
[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>::from_weights (line 234) ... ok
[INFO] [stdout] test src/weights.rs - weights::byte_weights::ByteWeights (line 162) ... ok
[INFO] [stdout] test src/comp.rs - comp::compress (line 326) ... 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>::try_from_bin (line 510) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 499) ... 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>::read_codes (line 337) ... ok
[INFO] [stdout] test src/weights.rs - weights::build_weights_map_with_hasher (line 102) ... 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] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::try_from_bin (line 460) ... ok
[INFO] [stdout] test src/tree/tree_inner.rs - tree::tree_inner::HuffTree<L>::read_codes_with_hasher (line 366) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 20.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a001514bcc8bb6d3bf6e3bdc526b797faa2160d266469b4cc2cc780920e75c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a001514bcc8bb6d3bf6e3bdc526b797faa2160d266469b4cc2cc780920e75c38", kill_on_drop: false }`
[INFO] [stdout] a001514bcc8bb6d3bf6e3bdc526b797faa2160d266469b4cc2cc780920e75c38