[INFO] updating cached repository https://github.com/ColonelPhantom/hufmark
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5fdecca1b7cd2904b796fae1c987dcac1879264
[INFO] testing ColonelPhantom/hufmark against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] 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 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/hufmark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] d48a28acfcb9fda37e9e4092f372e02f7f325d7e4aa6717f87f7edaf6342472d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d48a28acfcb9fda37e9e4092f372e02f7f325d7e4aa6717f87f7edaf6342472d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bitbit v0.2.0
[INFO] [stderr]    Compiling fenwick v0.2.0
[INFO] [stderr]    Compiling smallvec-stableunion v0.6.10
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling arcode v0.1.2
[INFO] [stderr]    Compiling plain-map v2.0.0
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling hufmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get_entry_occs`
[INFO] [stderr]    --> src/markov.rs:241:5
[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: method is never used: `get_entry_lens`
[INFO] [stderr]    --> src/markov.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/history.rs:21:5
[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 dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `"docker" "inspect" "d48a28acfcb9fda37e9e4092f372e02f7f325d7e4aa6717f87f7edaf6342472d"`
[INFO] running `"docker" "rm" "-f" "d48a28acfcb9fda37e9e4092f372e02f7f325d7e4aa6717f87f7edaf6342472d"`
[INFO] [stdout] d48a28acfcb9fda37e9e4092f372e02f7f325d7e4aa6717f87f7edaf6342472d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8960f63b2f2d8bbe08e04af71a1dd704d9951f3bbef4a6ab80069f81d41ca73
[INFO] running `"docker" "start" "-a" "c8960f63b2f2d8bbe08e04af71a1dd704d9951f3bbef4a6ab80069f81d41ca73"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hufmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get_entry_occs`
[INFO] [stderr]    --> src/markov.rs:241:5
[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: method is never used: `get_entry_lens`
[INFO] [stderr]    --> src/markov.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/history.rs:21:5
[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 0.81s
[INFO] running `"docker" "inspect" "c8960f63b2f2d8bbe08e04af71a1dd704d9951f3bbef4a6ab80069f81d41ca73"`
[INFO] running `"docker" "rm" "-f" "c8960f63b2f2d8bbe08e04af71a1dd704d9951f3bbef4a6ab80069f81d41ca73"`
[INFO] [stdout] c8960f63b2f2d8bbe08e04af71a1dd704d9951f3bbef4a6ab80069f81d41ca73
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fd30d4aeed2672f3e58ec08a5993369767bc35423705ea6d2e5f3c9829aab22
[INFO] running `"docker" "start" "-a" "7fd30d4aeed2672f3e58ec08a5993369767bc35423705ea6d2e5f3c9829aab22"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: method is never used: `get_entry_occs`
[INFO] [stderr]    --> src/markov.rs:241:5
[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: method is never used: `get_entry_lens`
[INFO] [stderr]    --> src/markov.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn get_entry_lens(&self) -> std::collections::BTreeMap<usize, u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/history.rs:21:5
[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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hufmark-52ddc334aef08900
[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 `"docker" "inspect" "7fd30d4aeed2672f3e58ec08a5993369767bc35423705ea6d2e5f3c9829aab22"`
[INFO] running `"docker" "rm" "-f" "7fd30d4aeed2672f3e58ec08a5993369767bc35423705ea6d2e5f3c9829aab22"`
[INFO] [stdout] 7fd30d4aeed2672f3e58ec08a5993369767bc35423705ea6d2e5f3c9829aab22