[INFO] updating cached repository anetcher/rust_boj
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anetcher/rust_boj
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anetcher/rust_boj" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/anetcher/rust_boj"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/anetcher/rust_boj'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anetcher/rust_boj" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/anetcher/rust_boj"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/anetcher/rust_boj'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cd9e1dc6f668f6fa18b71f6428411907d69269c
[INFO] sha for GitHub repo anetcher/rust_boj: 7cd9e1dc6f668f6fa18b71f6428411907d69269c
[INFO] validating manifest of anetcher/rust_boj on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anetcher/rust_boj on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing anetcher/rust_boj
[INFO] finished frobbing anetcher/rust_boj
[INFO] frobbed toml for anetcher/rust_boj written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/anetcher/rust_boj/Cargo.toml
[INFO] started frobbing anetcher/rust_boj
[INFO] finished frobbing anetcher/rust_boj
[INFO] frobbed toml for anetcher/rust_boj written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/anetcher/rust_boj/Cargo.toml
[INFO] crate anetcher/rust_boj already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking anetcher/rust_boj against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/anetcher/rust_boj:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e0661c89a867ba836e268658f5d5f583c3874e3296564c0b44f7036a65ca928f
[INFO] running `"docker" "start" "-a" "e0661c89a867ba836e268658f5d5f583c3874e3296564c0b44f7036a65ca928f"`
[INFO] [stderr]     Checking rust_boj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/print_star/_2442.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for i in 0..N {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_self_number`
[INFO] [stderr]  --> src/_4673.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn print_self_number(limit: i32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `d`
[INFO] [stderr]   --> src/_4673.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn d(n: &i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `accumulate`
[INFO] [stderr]   --> src/_4673.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn accumulate(x: &i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_star`
[INFO] [stderr]  --> src/print_star/_2442.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn print_star() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/print_star/_2442.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut N: i32 = 0;
[INFO] [stderr]   |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/print_star/_2442.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for i in 0..N {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_self_number`
[INFO] [stderr]  --> src/_4673.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn print_self_number(limit: i32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `d`
[INFO] [stderr]   --> src/_4673.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn d(n: &i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `accumulate`
[INFO] [stderr]   --> src/_4673.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn accumulate(x: &i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_star`
[INFO] [stderr]  --> src/print_star/_2442.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn print_star() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/print_star/_2442.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut N: i32 = 0;
[INFO] [stderr]   |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "e0661c89a867ba836e268658f5d5f583c3874e3296564c0b44f7036a65ca928f"`
[INFO] running `"docker" "rm" "-f" "e0661c89a867ba836e268658f5d5f583c3874e3296564c0b44f7036a65ca928f"`
[INFO] [stdout] e0661c89a867ba836e268658f5d5f583c3874e3296564c0b44f7036a65ca928f