[INFO] fetching crate huff_coding 1.0.0...
[INFO] testing huff_coding-1.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate huff_coding 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate huff_coding 1.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb13ae16b2d1214c1a972eb17daa2b3e7ed5f61e947436e7e055f7e35dcccba
[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" "1fb13ae16b2d1214c1a972eb17daa2b3e7ed5f61e947436e7e055f7e35dcccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb13ae16b2d1214c1a972eb17daa2b3e7ed5f61e947436e7e055f7e35dcccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb13ae16b2d1214c1a972eb17daa2b3e7ed5f61e947436e7e055f7e35dcccba", kill_on_drop: false }`
[INFO] [stdout] 1fb13ae16b2d1214c1a972eb17daa2b3e7ed5f61e947436e7e055f7e35dcccba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5572cedccf9fcbebb57b09a54489c80b87b16be871cf2fae67b89b28ca4a73cc
[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" "5572cedccf9fcbebb57b09a54489c80b87b16be871cf2fae67b89b28ca4a73cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling funty v1.1.0
[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 5.24s
[INFO] running `Command { std: "docker" "inspect" "5572cedccf9fcbebb57b09a54489c80b87b16be871cf2fae67b89b28ca4a73cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5572cedccf9fcbebb57b09a54489c80b87b16be871cf2fae67b89b28ca4a73cc", kill_on_drop: false }`
[INFO] [stdout] 5572cedccf9fcbebb57b09a54489c80b87b16be871cf2fae67b89b28ca4a73cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 61e27e5d491308b9e26db760e1207dc6a94a718c3b86b96595d66ad97d00c2be
[INFO] running `Command { std: "docker" "start" "-a" "61e27e5d491308b9e26db760e1207dc6a94a718c3b86b96595d66ad97d00c2be", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "61e27e5d491308b9e26db760e1207dc6a94a718c3b86b96595d66ad97d00c2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e27e5d491308b9e26db760e1207dc6a94a718c3b86b96595d66ad97d00c2be", kill_on_drop: false }`
[INFO] [stdout] 61e27e5d491308b9e26db760e1207dc6a94a718c3b86b96595d66ad97d00c2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] d46388bc4709d4c4d3d58b813945b2446e58afa5fca863df0f4473cdba20a094
[INFO] running `Command { std: "docker" "start" "-a" "d46388bc4709d4c4d3d58b813945b2446e58afa5fca863df0f4473cdba20a094", 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-ba9c4a0f21cdf08f)
[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-1defe358705345cc)
[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-b8ad02e0348e9237)
[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-1cf3f927d3442491)
[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] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name huff_coding --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-84d3b268103c3de8.rlib --extern funty=/opt/rustwide/target/debug/deps/libfunty-86e9352c11c79edd.rlib --extern huff_coding=/opt/rustwide/target/debug/deps/libhuff_coding-86a474460020bcd7.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d46388bc4709d4c4d3d58b813945b2446e58afa5fca863df0f4473cdba20a094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46388bc4709d4c4d3d58b813945b2446e58afa5fca863df0f4473cdba20a094", kill_on_drop: false }`
[INFO] [stdout] d46388bc4709d4c4d3d58b813945b2446e58afa5fca863df0f4473cdba20a094