[INFO] fetching crate huff_coding 1.0.0...
[INFO] testing huff_coding-1.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate huff_coding 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate huff_coding 1.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.20.4
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0bbee2eef2ec2cd37aeb72d4801a16c439f8ed742f83e3b7e0e18f9d9c0e76f
[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" "e0bbee2eef2ec2cd37aeb72d4801a16c439f8ed742f83e3b7e0e18f9d9c0e76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0bbee2eef2ec2cd37aeb72d4801a16c439f8ed742f83e3b7e0e18f9d9c0e76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0bbee2eef2ec2cd37aeb72d4801a16c439f8ed742f83e3b7e0e18f9d9c0e76f", kill_on_drop: false }`
[INFO] [stdout] e0bbee2eef2ec2cd37aeb72d4801a16c439f8ed742f83e3b7e0e18f9d9c0e76f
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 02018cf228765b31bca0d850a88a3f09819df406497254c11f696d9265ad5482
[INFO] running `Command { std: "docker" "start" "-a" "02018cf228765b31bca0d850a88a3f09819df406497254c11f696d9265ad5482", kill_on_drop: false }`
[INFO] [stderr]    Compiling wyz v0.2.0
[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 5.48s
[INFO] running `Command { std: "docker" "inspect" "02018cf228765b31bca0d850a88a3f09819df406497254c11f696d9265ad5482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02018cf228765b31bca0d850a88a3f09819df406497254c11f696d9265ad5482", kill_on_drop: false }`
[INFO] [stdout] 02018cf228765b31bca0d850a88a3f09819df406497254c11f696d9265ad5482
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3e15c30ba10848a3ce52728e306b1db7a14626ad368d27d9ff2a1790294bc3
[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" "7d3e15c30ba10848a3ce52728e306b1db7a14626ad368d27d9ff2a1790294bc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling huff_coding v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "7d3e15c30ba10848a3ce52728e306b1db7a14626ad368d27d9ff2a1790294bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3e15c30ba10848a3ce52728e306b1db7a14626ad368d27d9ff2a1790294bc3", kill_on_drop: false }`
[INFO] [stdout] 7d3e15c30ba10848a3ce52728e306b1db7a14626ad368d27d9ff2a1790294bc3
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] a8591de38b5a9e2c746ca09b3d6b417ea43665feec94d819c3c48391ec7f27fa
[INFO] running `Command { std: "docker" "start" "-a" "a8591de38b5a9e2c746ca09b3d6b417ea43665feec94d819c3c48391ec7f27fa", 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] [stderr]      Running tests/tree_init.rs (/opt/rustwide/target/debug/deps/tree_init-1cf3f927d3442491)
[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] [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 0.02s
[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" "a8591de38b5a9e2c746ca09b3d6b417ea43665feec94d819c3c48391ec7f27fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8591de38b5a9e2c746ca09b3d6b417ea43665feec94d819c3c48391ec7f27fa", kill_on_drop: false }`
[INFO] [stdout] a8591de38b5a9e2c746ca09b3d6b417ea43665feec94d819c3c48391ec7f27fa