[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  81% (18/22)
Updating files:  86% (19/22)
Updating files:  90% (20/22)
Updating files:  95% (21/22)
Updating files: 100% (22/22)
Updating files: 100% (22/22), done.
[INFO] validating manifest of git repo https://github.com/ColonelPhantom/hufmark on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-63/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec-stableunion v0.6.10
[INFO] [stderr]   Downloaded bitbit v0.2.0
[INFO] [stderr]   Downloaded arcode v0.1.2
[INFO] [stderr]   Downloaded fenwick v0.2.0
[INFO] [stderr]   Downloaded plain-map v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e45cedfdd8c22daaa89fc845960d68defe889ad648b0198904037afa7d2df44f
[INFO] running `Command { std: "docker" "start" "-a" "e45cedfdd8c22daaa89fc845960d68defe889ad648b0198904037afa7d2df44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e45cedfdd8c22daaa89fc845960d68defe889ad648b0198904037afa7d2df44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45cedfdd8c22daaa89fc845960d68defe889ad648b0198904037afa7d2df44f", kill_on_drop: false }`
[INFO] [stdout] e45cedfdd8c22daaa89fc845960d68defe889ad648b0198904037afa7d2df44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c0de3aca2fdb8bf4651186f0f82d23029303bbfd4f450720d3670c6326858b
[INFO] running `Command { std: "docker" "start" "-a" "c6c0de3aca2fdb8bf4651186f0f82d23029303bbfd4f450720d3670c6326858b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling bitbit v0.2.0
[INFO] [stderr]    Compiling fenwick v0.2.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[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 quote v0.6.13
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling derivative v1.0.3
[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 1m 43s
[INFO] running `Command { std: "docker" "inspect" "c6c0de3aca2fdb8bf4651186f0f82d23029303bbfd4f450720d3670c6326858b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c0de3aca2fdb8bf4651186f0f82d23029303bbfd4f450720d3670c6326858b", kill_on_drop: false }`
[INFO] [stdout] c6c0de3aca2fdb8bf4651186f0f82d23029303bbfd4f450720d3670c6326858b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95bf233983769fa60922d092448cdb448234758e3b1ffdbadb417afdc1cee9b
[INFO] running `Command { std: "docker" "start" "-a" "e95bf233983769fa60922d092448cdb448234758e3b1ffdbadb417afdc1cee9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.49s
[INFO] running `Command { std: "docker" "inspect" "e95bf233983769fa60922d092448cdb448234758e3b1ffdbadb417afdc1cee9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95bf233983769fa60922d092448cdb448234758e3b1ffdbadb417afdc1cee9b", kill_on_drop: false }`
[INFO] [stdout] e95bf233983769fa60922d092448cdb448234758e3b1ffdbadb417afdc1cee9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 962e457d8917b463a8d3deba12e3d3f76cecd72beeea925d7a4ad10e32ae60cd
[INFO] running `Command { std: "docker" "start" "-a" "962e457d8917b463a8d3deba12e3d3f76cecd72beeea925d7a4ad10e32ae60cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `hufmark` (bin "hufmark" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hufmark-879502b7e241fc95)
[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] running `Command { std: "docker" "inspect" "962e457d8917b463a8d3deba12e3d3f76cecd72beeea925d7a4ad10e32ae60cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962e457d8917b463a8d3deba12e3d3f76cecd72beeea925d7a4ad10e32ae60cd", kill_on_drop: false }`
[INFO] [stdout] 962e457d8917b463a8d3deba12e3d3f76cecd72beeea925d7a4ad10e32ae60cd