[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] 73636e9a15d429ce73489c082b39fd0aa409eafc
[INFO] checking palmergs/rust-tests against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmergs%2Frust-tests" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/palmergs/rust-tests on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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-1/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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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] e6abda57cae5fb84e7e7e6f7c34453a50b53bbe4c7fdbfb9b3fdfaa59754bdae
[INFO] running `"docker" "start" "-a" "e6abda57cae5fb84e7e7e6f7c34453a50b53bbe4c7fdbfb9b3fdfaa59754bdae"`
[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 getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking sorted-vec v0.3.6
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nested_intervals v0.2.2
[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]    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: `events`
[INFO] [stderr]   --> src/characters.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let events = self.events_from(&region.key, year, CURRENT_YEAR);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/characters.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         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: `events`
[INFO] [stderr]   --> src/characters.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let events = self.events_from(&region.key, year, CURRENT_YEAR);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/characters.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         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:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn events_from(&self, region_key: &str, from: i64, to: i64) -> Vec<Event> {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region_key`
[INFO] [stderr]   --> src/characters.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn events_from(&self, region_key: &str, from: i64, to: i64) -> Vec<Event> {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_region_key`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
[INFO] running `"docker" "inspect" "e6abda57cae5fb84e7e7e6f7c34453a50b53bbe4c7fdbfb9b3fdfaa59754bdae"`
[INFO] running `"docker" "rm" "-f" "e6abda57cae5fb84e7e7e6f7c34453a50b53bbe4c7fdbfb9b3fdfaa59754bdae"`
[INFO] [stdout] e6abda57cae5fb84e7e7e6f7c34453a50b53bbe4c7fdbfb9b3fdfaa59754bdae