[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] checking ColonelPhantom/hufmark against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Fhufmark" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/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 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-10/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded slice-deque v0.2.4 [INFO] [stderr] Downloaded derivative v1.0.3 [INFO] [stderr] Downloaded smallvec-stableunion v0.6.10 [INFO] [stderr] Downloaded libc v0.2.61 [INFO] [stderr] Downloaded tendril v0.4.1 [INFO] [stderr] Downloaded bitbit v0.2.0 [INFO] [stderr] Downloaded plain-map v2.0.0 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.3 [INFO] [stderr] Downloaded arcode v0.1.2 [INFO] [stderr] Downloaded fenwick v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9320c28fbf7d54b7cb991ac358404a28d9c454c6c612672bc39102e1e48a305a [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" "9320c28fbf7d54b7cb991ac358404a28d9c454c6c612672bc39102e1e48a305a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9320c28fbf7d54b7cb991ac358404a28d9c454c6c612672bc39102e1e48a305a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9320c28fbf7d54b7cb991ac358404a28d9c454c6c612672bc39102e1e48a305a", kill_on_drop: false }` [INFO] [stdout] 9320c28fbf7d54b7cb991ac358404a28d9c454c6c612672bc39102e1e48a305a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29526515a9f5d948f26fcb096ccf1308aad0c3cbd06193e84120a13e1c4d6a2c [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" "29526515a9f5d948f26fcb096ccf1308aad0c3cbd06193e84120a13e1c4d6a2c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.61 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking new_debug_unreachable v1.0.3 [INFO] [stderr] Checking smallvec-stableunion v0.6.10 [INFO] [stderr] Checking bitbit v0.2.0 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking fenwick v0.2.0 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking arcode v0.1.2 [INFO] [stderr] Checking plain-map v2.0.0 [INFO] [stderr] Checking tendril v0.4.1 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Checking 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 { [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 { [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] [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 { [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 { [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 20.46s [INFO] running `Command { std: "docker" "inspect" "29526515a9f5d948f26fcb096ccf1308aad0c3cbd06193e84120a13e1c4d6a2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29526515a9f5d948f26fcb096ccf1308aad0c3cbd06193e84120a13e1c4d6a2c", kill_on_drop: false }` [INFO] [stdout] 29526515a9f5d948f26fcb096ccf1308aad0c3cbd06193e84120a13e1c4d6a2c