[INFO] cloning repository https://github.com/ColonelPhantom/hufmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColonelPhantom/hufmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fdecca1b7cd2904b796fae1c987dcac1879264
[INFO] testing ColonelPhantom/hufmark against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  59% (13/22)   
Checking out files:  63% (14/22)   
Checking out files:  68% (15/22)   
Checking out files:  72% (16/22)   
Checking out files:  77% (17/22)   
Checking out files:  81% (18/22)   
Checking out files:  86% (19/22)   
Checking out files:  90% (20/22)   
Checking out files:  95% (21/22)   
Checking out files: 100% (22/22)   
Checking out files: 100% (22/22), done.
[INFO] validating manifest of git repo https://github.com/ColonelPhantom/hufmark 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 git repo https://github.com/ColonelPhantom/hufmark
[INFO] finished tweaking git repo https://github.com/ColonelPhantom/hufmark
[INFO] tweaked toml for git repo https://github.com/ColonelPhantom/hufmark written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/hufmark already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c970f3db05ac549eb01f11782a62f8c3c0e6c3729bffbcbd2cd1695cb54d9b4a
[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" "c970f3db05ac549eb01f11782a62f8c3c0e6c3729bffbcbd2cd1695cb54d9b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c970f3db05ac549eb01f11782a62f8c3c0e6c3729bffbcbd2cd1695cb54d9b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c970f3db05ac549eb01f11782a62f8c3c0e6c3729bffbcbd2cd1695cb54d9b4a", kill_on_drop: false }`
[INFO] [stdout] c970f3db05ac549eb01f11782a62f8c3c0e6c3729bffbcbd2cd1695cb54d9b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] a2c5993af1c9ba1db978fc553c5dba6e1640e34fe316855c1516860132eea897
[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" "a2c5993af1c9ba1db978fc553c5dba6e1640e34fe316855c1516860132eea897", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling fenwick v0.2.0
[INFO] [stderr]    Compiling smallvec-stableunion v0.6.10
[INFO] [stderr]    Compiling bitbit v0.2.0
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling arcode v0.1.2
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling plain-map v2.0.0
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling hufmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_entry_occs`
[INFO] [stdout]    --> src/markov.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_entry_occs(&self) -> std::collections::BTreeMap<u32, u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_entry_lens`
[INFO] [stdout]    --> src/markov.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/history.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get(&self, idx: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "a2c5993af1c9ba1db978fc553c5dba6e1640e34fe316855c1516860132eea897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c5993af1c9ba1db978fc553c5dba6e1640e34fe316855c1516860132eea897", kill_on_drop: false }`
[INFO] [stdout] a2c5993af1c9ba1db978fc553c5dba6e1640e34fe316855c1516860132eea897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7ee7feb667581cd82be767c7f5cec974329ef917645f837d88ae3e7d97ebf1a3
[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" "7ee7feb667581cd82be767c7f5cec974329ef917645f837d88ae3e7d97ebf1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hufmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_entry_occs`
[INFO] [stdout]    --> src/markov.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_entry_occs(&self) -> std::collections::BTreeMap<u32, u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_entry_lens`
[INFO] [stdout]    --> src/markov.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/history.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get(&self, idx: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7ee7feb667581cd82be767c7f5cec974329ef917645f837d88ae3e7d97ebf1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee7feb667581cd82be767c7f5cec974329ef917645f837d88ae3e7d97ebf1a3", kill_on_drop: false }`
[INFO] [stdout] 7ee7feb667581cd82be767c7f5cec974329ef917645f837d88ae3e7d97ebf1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1829ed712b478d9293343253cd66261f68975387ecfadcd97c5888957a55fe02
[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" "1829ed712b478d9293343253cd66261f68975387ecfadcd97c5888957a55fe02", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `get_entry_occs`
[INFO] [stderr]    --> src/markov.rs:241:12
[INFO] [stderr]     |
[INFO] [stderr] 241 |     pub fn get_entry_occs(&self) -> std::collections::BTreeMap<u32, u32> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_entry_lens`
[INFO] [stderr]    --> src/markov.rs:248:12
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/history.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, idx: usize) -> Option<&T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hufmark-18ee6fa6d1a8c1d8
[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" "1829ed712b478d9293343253cd66261f68975387ecfadcd97c5888957a55fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1829ed712b478d9293343253cd66261f68975387ecfadcd97c5888957a55fe02", kill_on_drop: false }`
[INFO] [stdout] 1829ed712b478d9293343253cd66261f68975387ecfadcd97c5888957a55fe02