[INFO] cloning repository https://github.com/sbeckeriv/rust-haiku-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbeckeriv/rust-haiku-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Frust-haiku-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Frust-haiku-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab0688a4750d68d03658e7edb66d0b05933f18f1 [INFO] checking sbeckeriv/rust-haiku-generator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Frust-haiku-generator" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbeckeriv/rust-haiku-generator on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sbeckeriv/rust-haiku-generator [INFO] finished tweaking git repo https://github.com/sbeckeriv/rust-haiku-generator [INFO] tweaked toml for git repo https://github.com/sbeckeriv/rust-haiku-generator written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/sbeckeriv/rust-haiku-generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded Inflector v0.11.4 [INFO] [stderr] Downloaded serde_yaml v0.7.5 [INFO] [stderr] Downloaded addr2line v0.12.0 [INFO] [stderr] Downloaded wordsworth v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 879ed84689f5376bba687066921d8e4da682cb41a7db8ab024501d0b723385ce [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" "879ed84689f5376bba687066921d8e4da682cb41a7db8ab024501d0b723385ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "879ed84689f5376bba687066921d8e4da682cb41a7db8ab024501d0b723385ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "879ed84689f5376bba687066921d8e4da682cb41a7db8ab024501d0b723385ce", kill_on_drop: false }` [INFO] [stdout] 879ed84689f5376bba687066921d8e4da682cb41a7db8ab024501d0b723385ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] 0c8d1d885e3f17c5bd1218349d22d050b9b810886728ef5a69ea1762e228cb18 [INFO] running `Command { std: "docker" "start" "-a" "0c8d1d885e3f17c5bd1218349d22d050b9b810886728ef5a69ea1762e228cb18", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.21 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking object v0.19.0 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking os_str_bytes v2.3.1 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking wordsworth v0.1.1 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking serde v1.0.110 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking addr2line v0.12.0 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking cmudict_core v0.2.2 (https://gitlab.com/shnewto/cmudict.git?branch=fix/update-reqwest-version#d8f5adf5) [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking haiku-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_from_token` [INFO] [stdout] --> src/markov.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn generate_from_token(&self, token: T) -> Vec { [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: `iter` [INFO] [stdout] --> src/markov.rs:143:12 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn iter(&self) -> InfiniteChainIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_for` [INFO] [stdout] --> src/markov.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `graph` [INFO] [stdout] --> src/markov.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn graph(&self) -> Graph>, f64> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `feed_file` [INFO] [stdout] --> src/markov.rs:236:12 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn feed_file>(&mut self, path: P) -> Result<&mut Chain> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `vec_to_string` [INFO] [stdout] --> src/markov.rs:251:8 [INFO] [stdout] | [INFO] [stdout] 251 | fn vec_to_string(vec: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_str` [INFO] [stdout] --> src/markov.rs:265:12 [INFO] [stdout] | [INFO] [stdout] 265 | pub fn generate_str(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_str_from_token` [INFO] [stdout] --> src/markov.rs:271:12 [INFO] [stdout] | [INFO] [stdout] 271 | pub fn generate_str_from_token(&self, string: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `str_iter` [INFO] [stdout] --> src/markov.rs:276:12 [INFO] [stdout] | [INFO] [stdout] 276 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `str_iter_for` [INFO] [stdout] --> src/markov.rs:282:12 [INFO] [stdout] | [INFO] [stdout] 282 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `SizedChainStringIterator` [INFO] [stdout] --> src/markov.rs:289:1 [INFO] [stdout] | [INFO] [stdout] 289 | / pub type SizedChainStringIterator<'a> = [INFO] [stdout] 290 | | Map, fn(Vec) -> String>; [INFO] [stdout] | |___________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `InfiniteChainStringIterator` [INFO] [stdout] --> src/markov.rs:318:1 [INFO] [stdout] | [INFO] [stdout] 318 | / pub type InfiniteChainStringIterator<'a> = [INFO] [stdout] 319 | | Map, fn(Vec) -> String>; [INFO] [stdout] | |______________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_from_token` [INFO] [stdout] --> src/markov.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn generate_from_token(&self, token: T) -> Vec { [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: `iter` [INFO] [stdout] --> src/markov.rs:143:12 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn iter(&self) -> InfiniteChainIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_for` [INFO] [stdout] --> src/markov.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 148 | pub fn iter_for(&self, size: usize) -> SizedChainIterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `graph` [INFO] [stdout] --> src/markov.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn graph(&self) -> Graph>, f64> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `feed_file` [INFO] [stdout] --> src/markov.rs:236:12 [INFO] [stdout] | [INFO] [stdout] 236 | pub fn feed_file>(&mut self, path: P) -> Result<&mut Chain> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `vec_to_string` [INFO] [stdout] --> src/markov.rs:251:8 [INFO] [stdout] | [INFO] [stdout] 251 | fn vec_to_string(vec: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_str` [INFO] [stdout] --> src/markov.rs:265:12 [INFO] [stdout] | [INFO] [stdout] 265 | pub fn generate_str(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_str_from_token` [INFO] [stdout] --> src/markov.rs:271:12 [INFO] [stdout] | [INFO] [stdout] 271 | pub fn generate_str_from_token(&self, string: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `str_iter` [INFO] [stdout] --> src/markov.rs:276:12 [INFO] [stdout] | [INFO] [stdout] 276 | pub fn str_iter(&self) -> InfiniteChainStringIterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `str_iter_for` [INFO] [stdout] --> src/markov.rs:282:12 [INFO] [stdout] | [INFO] [stdout] 282 | pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `SizedChainStringIterator` [INFO] [stdout] --> src/markov.rs:289:1 [INFO] [stdout] | [INFO] [stdout] 289 | / pub type SizedChainStringIterator<'a> = [INFO] [stdout] 290 | | Map, fn(Vec) -> String>; [INFO] [stdout] | |___________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `InfiniteChainStringIterator` [INFO] [stdout] --> src/markov.rs:318:1 [INFO] [stdout] | [INFO] [stdout] 318 | / pub type InfiniteChainStringIterator<'a> = [INFO] [stdout] 319 | | Map, fn(Vec) -> String>; [INFO] [stdout] | |______________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "0c8d1d885e3f17c5bd1218349d22d050b9b810886728ef5a69ea1762e228cb18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c8d1d885e3f17c5bd1218349d22d050b9b810886728ef5a69ea1762e228cb18", kill_on_drop: false }` [INFO] [stdout] 0c8d1d885e3f17c5bd1218349d22d050b9b810886728ef5a69ea1762e228cb18