[INFO] cloning repository https://github.com/palmergs/rust-tests [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/palmergs/rust-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmergs%2Frust-tests"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmergs%2Frust-tests'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] defbfcf7fcdaf41054cddcc904e38989ca005a3b [INFO] checking palmergs/rust-tests against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmergs%2Frust-tests" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/palmergs/rust-tests on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/palmergs/rust-tests [INFO] finished tweaking git repo https://github.com/palmergs/rust-tests [INFO] tweaked toml for git repo https://github.com/palmergs/rust-tests written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/palmergs/rust-tests already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8d2e8c32a1c8d00287b4fdcb15b81a46e65458fb6019085f217c2732f4d0e1f9 [INFO] running `"docker" "start" "-a" "8d2e8c32a1c8d00287b4fdcb15b81a46e65458fb6019085f217c2732f4d0e1f9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking sorted-vec v0.3.6 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rust-embed-utils v5.0.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking nested_intervals v0.2.2 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Compiling rust-embed-impl v5.5.1 [INFO] [stderr] Checking rust-embed v5.5.1 [INFO] [stderr] Checking rust-names v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/articles.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/articles.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/characters.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `events` [INFO] [stderr] --> src/characters.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let events = self.events_from(®ion.key, year, CURRENT_YEAR); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/characters.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let idx = rng.gen_range(from, to); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `region_key` [INFO] [stderr] --> src/characters.rs:140:27 [INFO] [stderr] | [INFO] [stderr] 140 | fn events_from(&self, region_key: &str, from: i64, to: i64) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/characters.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `events` [INFO] [stderr] --> src/characters.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let events = self.events_from(®ion.key, year, CURRENT_YEAR); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/characters.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let idx = rng.gen_range(from, to); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `region_key` [INFO] [stderr] --> src/characters.rs:140:27 [INFO] [stderr] | [INFO] [stderr] 140 | fn events_from(&self, region_key: &str, from: i64, to: i64) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_key` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/characters.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/characters.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut rng = rand::thread_rng(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.83s [INFO] running `"docker" "inspect" "8d2e8c32a1c8d00287b4fdcb15b81a46e65458fb6019085f217c2732f4d0e1f9"` [INFO] running `"docker" "rm" "-f" "8d2e8c32a1c8d00287b4fdcb15b81a46e65458fb6019085f217c2732f4d0e1f9"` [INFO] [stdout] 8d2e8c32a1c8d00287b4fdcb15b81a46e65458fb6019085f217c2732f4d0e1f9