[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/beta-1.38-1/sources/1.37.0/gh/anetcher/rust_boj"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anetcher/rust_boj'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anetcher/rust_boj" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anetcher/rust_boj"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anetcher/rust_boj on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/anetcher/rust_boj/Cargo.toml
[INFO] crate anetcher/rust_boj already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing anetcher/rust_boj against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anetcher/rust_boj:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b769c49f3e00a910ed7cf7bf6faa90c426a6c0ee9a534d092c4bce38fa4dc131
[INFO] running `"docker" "start" "-a" "b769c49f3e00a910ed7cf7bf6faa90c426a6c0ee9a534d092c4bce38fa4dc131"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "b769c49f3e00a910ed7cf7bf6faa90c426a6c0ee9a534d092c4bce38fa4dc131"`
[INFO] running `"docker" "rm" "-f" "b769c49f3e00a910ed7cf7bf6faa90c426a6c0ee9a534d092c4bce38fa4dc131"`
[INFO] [stdout] b769c49f3e00a910ed7cf7bf6faa90c426a6c0ee9a534d092c4bce38fa4dc131
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anetcher/rust_boj:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4980c0c4ec5bd557a947e94679b7fbf698cb77f9f24b50a783e5f7b9b66b1b8
[INFO] running `"docker" "start" "-a" "f4980c0c4ec5bd557a947e94679b7fbf698cb77f9f24b50a783e5f7b9b66b1b8"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "f4980c0c4ec5bd557a947e94679b7fbf698cb77f9f24b50a783e5f7b9b66b1b8"`
[INFO] running `"docker" "rm" "-f" "f4980c0c4ec5bd557a947e94679b7fbf698cb77f9f24b50a783e5f7b9b66b1b8"`
[INFO] [stdout] f4980c0c4ec5bd557a947e94679b7fbf698cb77f9f24b50a783e5f7b9b66b1b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anetcher/rust_boj:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b04c8fdb9e475c342d7f32b684fe22accd28e4ea23f0cc406be91dda6831c228
[INFO] running `"docker" "start" "-a" "b04c8fdb9e475c342d7f32b684fe22accd28e4ea23f0cc406be91dda6831c228"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_boj-6c1c0d5a03a46573
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b04c8fdb9e475c342d7f32b684fe22accd28e4ea23f0cc406be91dda6831c228"`
[INFO] running `"docker" "rm" "-f" "b04c8fdb9e475c342d7f32b684fe22accd28e4ea23f0cc406be91dda6831c228"`
[INFO] [stdout] b04c8fdb9e475c342d7f32b684fe22accd28e4ea23f0cc406be91dda6831c228