[INFO] updating cached repository https://github.com/mkatychev/aloxite
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b572a92e39db8cf2e5ead3062b05df3e352e27e
[INFO] checking mkatychev/aloxite against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkatychev%2Faloxite" "/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/mkatychev/aloxite on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mkatychev/aloxite
[INFO] finished tweaking git repo https://github.com/mkatychev/aloxite
[INFO] tweaked toml for git repo https://github.com/mkatychev/aloxite written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mkatychev/aloxite already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2509921ad97219b5c953d48b04fca28979ab425db3dec1b1ccbc8aeb9caac515
[INFO] running `"docker" "start" "-a" "2509921ad97219b5c953d48b04fca28979ab425db3dec1b1ccbc8aeb9caac515"`
[INFO] [stderr]     Checking aloxite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Store`
[INFO] [stderr]  --> src/args.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use argparse::{ArgumentParser, Store, StoreTrue}; // TODO replace with clap-rs
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:42:31
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     .map_err(|e| "Problem opening file")?;
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |         .map_err(|e| "Problem reading file")?;
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/search.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut iter = match trigger.len() {
[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: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Store`
[INFO] [stderr]  --> src/args.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use argparse::{ArgumentParser, Store, StoreTrue}; // TODO replace with clap-rs
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_args`
[INFO] [stderr]  --> src/args.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_args() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/search.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/search.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn next(&mut self) -> Option<char> { self.iter.next() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:42:31
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     .map_err(|e| "Problem opening file")?;
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |         .map_err(|e| "Problem reading file")?;
[INFO] [stderr]    |                   ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/search.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut iter = match trigger.len() {
[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: function is never used: `parse_args`
[INFO] [stderr]  --> src/args.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_args() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/search.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/search.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn next(&mut self) -> Option<char> { self.iter.next() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "2509921ad97219b5c953d48b04fca28979ab425db3dec1b1ccbc8aeb9caac515"`
[INFO] running `"docker" "rm" "-f" "2509921ad97219b5c953d48b04fca28979ab425db3dec1b1ccbc8aeb9caac515"`
[INFO] [stdout] 2509921ad97219b5c953d48b04fca28979ab425db3dec1b1ccbc8aeb9caac515