[INFO] updating cached repository marony/rust_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marony/rust_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marony/rust_euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/marony/rust_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marony/rust_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marony/rust_euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/rust_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/rust_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cee0b518c8c4b22a4287b91f05ce0f44ff42878
[INFO] sha for GitHub repo marony/rust_euler: 8cee0b518c8c4b22a4287b91f05ce0f44ff42878
[INFO] validating manifest of marony/rust_euler 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 marony/rust_euler 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 marony/rust_euler
[INFO] finished frobbing marony/rust_euler
[INFO] frobbed toml for marony/rust_euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/marony/rust_euler/Cargo.toml
[INFO] started frobbing marony/rust_euler
[INFO] finished frobbing marony/rust_euler
[INFO] frobbed toml for marony/rust_euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marony/rust_euler/Cargo.toml
[INFO] crate marony/rust_euler 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 marony/rust_euler 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/marony/rust_euler:/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] 19fb1b2a226ec87208a0f1a7a325ffe2eeb0ff7c7541759ddeb34f2181c7c1c2
[INFO] running `"docker" "start" "-a" "19fb1b2a226ec87208a0f1a7a325ffe2eeb0ff7c7541759ddeb34f2181c7c1c2"`
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `problem_001`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn problem_001() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fib`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Fib {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new() -> Fib {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_002`
[INFO] [stderr]   --> src/main.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn problem_002() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prime_factors`
[INFO] [stderr]   --> src/main.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn prime_factors<'a>(n: u64, xs: &'a mut Vec<u64>) -> &'a Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_003`
[INFO] [stderr]   --> src/main.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn problem_003() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_palindome`
[INFO] [stderr]   --> src/main.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn is_palindome(n: &u64) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_004`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn problem_004() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_005`
[INFO] [stderr]    --> src/main.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn problem_005() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_006`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn problem_006() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]    --> src/main.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn is_prime(n: &u64) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_007`
[INFO] [stderr]    --> src/main.rs:168:1
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn problem_007() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_008`
[INFO] [stderr]    --> src/main.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn problem_008() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pythagorean_triplet`
[INFO] [stderr]    --> src/main.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn pythagorean_triplet(a: u64, b: u64, c: u64) -> Option<u64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_009`
[INFO] [stderr]    --> src/main.rs:246:1
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn problem_009() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_010`
[INFO] [stderr]    --> src/main.rs:266:1
[INFO] [stderr]     |
[INFO] [stderr] 266 | fn problem_010() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_011`
[INFO] [stderr]    --> src/main.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn problem_011() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factors`
[INFO] [stderr]    --> src/main.rs:372:1
[INFO] [stderr]     |
[INFO] [stderr] 372 | fn factors<'a>(n: u64) -> Vec<u64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `triangle_number`
[INFO] [stderr]    --> src/main.rs:383:1
[INFO] [stderr]     |
[INFO] [stderr] 383 | fn triangle_number(n: u64) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_012`
[INFO] [stderr]    --> src/main.rs:389:1
[INFO] [stderr]     |
[INFO] [stderr] 389 | fn problem_012<'a>() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_013`
[INFO] [stderr]    --> src/main.rs:403:1
[INFO] [stderr]     |
[INFO] [stderr] 403 | fn problem_013() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:315:31
[INFO] [stderr]     |
[INFO] [stderr] 315 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i / SLEN as usize) == y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:326:31
[INFO] [stderr]     |
[INFO] [stderr] 326 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) == x) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:337:31
[INFO] [stderr]     |
[INFO] [stderr] 337 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) >= x && (i / SLEN as usize) >= y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:348:31
[INFO] [stderr]     |
[INFO] [stderr] 348 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) <= x && (i / SLEN as usize) >= y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "19fb1b2a226ec87208a0f1a7a325ffe2eeb0ff7c7541759ddeb34f2181c7c1c2"`
[INFO] running `"docker" "rm" "-f" "19fb1b2a226ec87208a0f1a7a325ffe2eeb0ff7c7541759ddeb34f2181c7c1c2"`
[INFO] [stdout] 19fb1b2a226ec87208a0f1a7a325ffe2eeb0ff7c7541759ddeb34f2181c7c1c2
[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/marony/rust_euler:/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] 3d4255dd05eaad07cd507067b2bc945c0afc2e73d02aad33ca7ce66e415153a1
[INFO] running `"docker" "start" "-a" "3d4255dd05eaad07cd507067b2bc945c0afc2e73d02aad33ca7ce66e415153a1"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `problem_001`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn problem_001() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fib`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Fib {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new() -> Fib {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_002`
[INFO] [stderr]   --> src/main.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn problem_002() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prime_factors`
[INFO] [stderr]   --> src/main.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn prime_factors<'a>(n: u64, xs: &'a mut Vec<u64>) -> &'a Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_003`
[INFO] [stderr]   --> src/main.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn problem_003() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_palindome`
[INFO] [stderr]   --> src/main.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn is_palindome(n: &u64) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_004`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn problem_004() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_005`
[INFO] [stderr]    --> src/main.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn problem_005() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_006`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn problem_006() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]    --> src/main.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn is_prime(n: &u64) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_007`
[INFO] [stderr]    --> src/main.rs:168:1
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn problem_007() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_008`
[INFO] [stderr]    --> src/main.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn problem_008() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pythagorean_triplet`
[INFO] [stderr]    --> src/main.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn pythagorean_triplet(a: u64, b: u64, c: u64) -> Option<u64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_009`
[INFO] [stderr]    --> src/main.rs:246:1
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn problem_009() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_010`
[INFO] [stderr]    --> src/main.rs:266:1
[INFO] [stderr]     |
[INFO] [stderr] 266 | fn problem_010() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_011`
[INFO] [stderr]    --> src/main.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn problem_011() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factors`
[INFO] [stderr]    --> src/main.rs:372:1
[INFO] [stderr]     |
[INFO] [stderr] 372 | fn factors<'a>(n: u64) -> Vec<u64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `triangle_number`
[INFO] [stderr]    --> src/main.rs:383:1
[INFO] [stderr]     |
[INFO] [stderr] 383 | fn triangle_number(n: u64) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_012`
[INFO] [stderr]    --> src/main.rs:389:1
[INFO] [stderr]     |
[INFO] [stderr] 389 | fn problem_012<'a>() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_013`
[INFO] [stderr]    --> src/main.rs:403:1
[INFO] [stderr]     |
[INFO] [stderr] 403 | fn problem_013() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:315:31
[INFO] [stderr]     |
[INFO] [stderr] 315 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i / SLEN as usize) == y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:326:31
[INFO] [stderr]     |
[INFO] [stderr] 326 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) == x) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:337:31
[INFO] [stderr]     |
[INFO] [stderr] 337 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) >= x && (i / SLEN as usize) >= y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:348:31
[INFO] [stderr]     |
[INFO] [stderr] 348 |         if is.iter().all(|&i| 0 <= i && i < (SLEN * SLEN) as usize && (i % SLEN as usize) <= x && (i / SLEN as usize) >= y) {
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "3d4255dd05eaad07cd507067b2bc945c0afc2e73d02aad33ca7ce66e415153a1"`
[INFO] running `"docker" "rm" "-f" "3d4255dd05eaad07cd507067b2bc945c0afc2e73d02aad33ca7ce66e415153a1"`
[INFO] [stdout] 3d4255dd05eaad07cd507067b2bc945c0afc2e73d02aad33ca7ce66e415153a1
[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/marony/rust_euler:/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] 377dee2e808dd77148a7dbfa8c1acf91d2cde3872cce66a105235b2540b5bb09
[INFO] running `"docker" "start" "-a" "377dee2e808dd77148a7dbfa8c1acf91d2cde3872cce66a105235b2540b5bb09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-eacc2a19f8d7dc54
[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" "377dee2e808dd77148a7dbfa8c1acf91d2cde3872cce66a105235b2540b5bb09"`
[INFO] running `"docker" "rm" "-f" "377dee2e808dd77148a7dbfa8c1acf91d2cde3872cce66a105235b2540b5bb09"`
[INFO] [stdout] 377dee2e808dd77148a7dbfa8c1acf91d2cde3872cce66a105235b2540b5bb09