[INFO] fetching crate arcode 0.2.3...
[INFO] testing arcode-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arcode 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arcode 0.2.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcode 0.2.3
[INFO] finished tweaking crates.io crate arcode 0.2.3
[INFO] tweaked toml for crates.io crate arcode 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f2f8acf04401b0158714ad5c0f3a08126906ea93f85610972be88ea2761b9b2
[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" "5f2f8acf04401b0158714ad5c0f3a08126906ea93f85610972be88ea2761b9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2f8acf04401b0158714ad5c0f3a08126906ea93f85610972be88ea2761b9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2f8acf04401b0158714ad5c0f3a08126906ea93f85610972be88ea2761b9b2", kill_on_drop: false }`
[INFO] [stdout] 5f2f8acf04401b0158714ad5c0f3a08126906ea93f85610972be88ea2761b9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a7ccad7145888f17167a2027829864945cf6d81ef798cf688035194497866438
[INFO] running `Command { std: "docker" "start" "-a" "a7ccad7145888f17167a2027829864945cf6d81ef798cf688035194497866438", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitbit v0.2.0
[INFO] [stderr]    Compiling fenwick v1.0.0
[INFO] [stderr]    Compiling arcode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "a7ccad7145888f17167a2027829864945cf6d81ef798cf688035194497866438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ccad7145888f17167a2027829864945cf6d81ef798cf688035194497866438", kill_on_drop: false }`
[INFO] [stdout] a7ccad7145888f17167a2027829864945cf6d81ef798cf688035194497866438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67252eb95349d4ce66c388c6ad28e145f755f07a2909ba26eef01e1bb1cd99b4
[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" "67252eb95349d4ce66c388c6ad28e145f755f07a2909ba26eef01e1bb1cd99b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling utf8-width v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling byte-unit v4.0.9
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling arcode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "67252eb95349d4ce66c388c6ad28e145f755f07a2909ba26eef01e1bb1cd99b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67252eb95349d4ce66c388c6ad28e145f755f07a2909ba26eef01e1bb1cd99b4", kill_on_drop: false }`
[INFO] [stdout] 67252eb95349d4ce66c388c6ad28e145f755f07a2909ba26eef01e1bb1cd99b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27279e6ce21ac751083e48df84a167718a478443f715ba7bdd3f710ef22d33cc
[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" "27279e6ce21ac751083e48df84a167718a478443f715ba7bdd3f710ef22d33cc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arcode-0fa9ad51ffea5fc2
[INFO] [stdout] test decode::decoder::tests::e2e ... ok
[INFO] [stdout] test util::range::tests::calculate_range ... ok
[INFO] [stdout] test encode::encoder::test::e2e ... ok
[INFO] [stdout] test util::source_model::tests::constructor_from_counts ... ok
[INFO] [stdout] test util::range::tests::constructor ... ok
[INFO] [stdout] test util::source_model::tests::constructor_from_pdf ... ok
[INFO] [stdout] test util::source_model_builder::tests::eof_default ... ok
[INFO] [stdout] test util::source_model_builder::tests::eof_end ... ok
[INFO] [stdout] test util::source_model::tests::update_symbols ... ok
[INFO] [stdout] test util::source_model_builder::tests::binary ... ok
[INFO] [stdout] test util::source_model_builder::tests::num_bits ... ok
[INFO] [stdout] test util::source_model_builder::tests::num_symbols ... ok
[INFO] [stdout] test util::source_model_builder::tests::eof_end_add ... ok
[INFO] [stdout] test util::source_model_builder::tests::pdf_scale_defaults_length ... ok
[INFO] [stdout] test util::source_model::tests::probability_min ... ok
[INFO] [stdout] test util::source_model::tests::probability_high ... ok
[INFO] [stderr]    Doc-tests arcode
[INFO] [stdout] test util::source_model_builder::tests::eof_specify ... ok
[INFO] [stdout] test util::source_model::tests::constructor ... ok
[INFO] [stdout] test util::source_model::tests::constructor_new ... ok
[INFO] [stdout] test util::source_model_builder::tests::default_binary ... ok
[INFO] [stdout] test util::source_model_builder::tests::eof_none ... ok
[INFO] [stdout] test util::source_model_builder::tests::eof_start ... ok
[INFO] [stdout] test util::source_model_builder::tests::pdf_scale ... ok
[INFO] [stdout] test util::source_model_builder::tests::pdf ... ok
[INFO] [stdout] test util::source_model::tests::constructor_binary ... ok
[INFO] [stdout] test util::range::tests::test_range ... ok
[INFO] [stdout] test util::source_model_builder::tests::counts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 130) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27279e6ce21ac751083e48df84a167718a478443f715ba7bdd3f710ef22d33cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27279e6ce21ac751083e48df84a167718a478443f715ba7bdd3f710ef22d33cc", kill_on_drop: false }`
[INFO] [stdout] 27279e6ce21ac751083e48df84a167718a478443f715ba7bdd3f710ef22d33cc