[INFO] cloning repository https://github.com/cronokirby/huffman-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronokirby/huffman-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fhuffman-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fhuffman-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e04bcc9bd24634e15b047e8aff312748b3eeb52
[INFO] testing cronokirby/huffman-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fhuffman-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/huffman-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cronokirby/huffman-rs
[INFO] finished tweaking git repo https://github.com/cronokirby/huffman-rs
[INFO] tweaked toml for git repo https://github.com/cronokirby/huffman-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/huffman-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded criterion-plot v0.3.0
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded criterion v0.2.10
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc35678fc09496f88e05ff76ca1bbf6c29aeba15d3c3d248fb51816c7bce544d
[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" "cc35678fc09496f88e05ff76ca1bbf6c29aeba15d3c3d248fb51816c7bce544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc35678fc09496f88e05ff76ca1bbf6c29aeba15d3c3d248fb51816c7bce544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc35678fc09496f88e05ff76ca1bbf6c29aeba15d3c3d248fb51816c7bce544d", kill_on_drop: false }`
[INFO] [stdout] cc35678fc09496f88e05ff76ca1bbf6c29aeba15d3c3d248fb51816c7bce544d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b495432b90d661d6fe94a9f488903f3e584dc4cccd1aeb14c2e4f941a2853dd4
[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" "b495432b90d661d6fe94a9f488903f3e584dc4cccd1aeb14c2e4f941a2853dd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling huffman v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "b495432b90d661d6fe94a9f488903f3e584dc4cccd1aeb14c2e4f941a2853dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b495432b90d661d6fe94a9f488903f3e584dc4cccd1aeb14c2e4f941a2853dd4", kill_on_drop: false }`
[INFO] [stdout] b495432b90d661d6fe94a9f488903f3e584dc4cccd1aeb14c2e4f941a2853dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e104ae070826d2d8c9ff9c3c5e30970ca7fabd8ba1fcc6f1094013b189c16a
[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" "85e104ae070826d2d8c9ff9c3c5e30970ca7fabd8ba1fcc6f1094013b189c16a", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling criterion-plot v0.3.0
[INFO] [stderr]    Compiling criterion v0.2.10
[INFO] [stderr]    Compiling huffman v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.25s
[INFO] running `Command { std: "docker" "inspect" "85e104ae070826d2d8c9ff9c3c5e30970ca7fabd8ba1fcc6f1094013b189c16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e104ae070826d2d8c9ff9c3c5e30970ca7fabd8ba1fcc6f1094013b189c16a", kill_on_drop: false }`
[INFO] [stdout] 85e104ae070826d2d8c9ff9c3c5e30970ca7fabd8ba1fcc6f1094013b189c16a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ccdbd69893841f87d1242aa2bc4921867ec3bfbcdac5aa311e76fad9e706f6b
[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" "2ccdbd69893841f87d1242aa2bc4921867ec3bfbcdac5aa311e76fad9e706f6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/huffman-ddfb96c440212936
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test queue::test::inserting_preserves_order ... ok
[INFO] [stdout] test coding::test::huff_tree_freqs_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/huffman-f3d4875ce32bec31
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests huffman
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ccdbd69893841f87d1242aa2bc4921867ec3bfbcdac5aa311e76fad9e706f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccdbd69893841f87d1242aa2bc4921867ec3bfbcdac5aa311e76fad9e706f6b", kill_on_drop: false }`
[INFO] [stdout] 2ccdbd69893841f87d1242aa2bc4921867ec3bfbcdac5aa311e76fad9e706f6b
