[INFO] cloning repository https://github.com/ristew/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ristew/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fristew%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fristew%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 045a19f67e988b09440838fbfe6dea32ad83f975
[INFO] testing ristew/euler against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fristew%2Feuler" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  88% (15/17)
Updating files:  94% (16/17)
Updating files: 100% (17/17)
Updating files: 100% (17/17), done.
[INFO] validating manifest of git repo https://github.com/ristew/euler on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ristew/euler
[INFO] finished tweaking git repo https://github.com/ristew/euler
[INFO] tweaked toml for git repo https://github.com/ristew/euler written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/ristew/euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98dfcdb113dce57dd10b394b223397295d4a8c039fc890a1445db3215ef7cfde
[INFO] running `Command { std: "docker" "start" "-a" "98dfcdb113dce57dd10b394b223397295d4a8c039fc890a1445db3215ef7cfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98dfcdb113dce57dd10b394b223397295d4a8c039fc890a1445db3215ef7cfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dfcdb113dce57dd10b394b223397295d4a8c039fc890a1445db3215ef7cfde", kill_on_drop: false }`
[INFO] [stdout] 98dfcdb113dce57dd10b394b223397295d4a8c039fc890a1445db3215ef7cfde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97797314f42f614be52f96b3ce36fcf43a95bbcc5f549332fc8798cf9fe4ca5e
[INFO] running `Command { std: "docker" "start" "-a" "97797314f42f614be52f96b3ce36fcf43a95bbcc5f549332fc8798cf9fe4ca5e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> src/p12.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |     while(numdivisors(tri) < 500) {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.58s
[INFO] running `Command { std: "docker" "inspect" "97797314f42f614be52f96b3ce36fcf43a95bbcc5f549332fc8798cf9fe4ca5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97797314f42f614be52f96b3ce36fcf43a95bbcc5f549332fc8798cf9fe4ca5e", kill_on_drop: false }`
[INFO] [stdout] 97797314f42f614be52f96b3ce36fcf43a95bbcc5f549332fc8798cf9fe4ca5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00983d1eae82a5c2e742e4d424c5ad71713408302ecc5240fc0551ff8ce5e6ad
[INFO] running `Command { std: "docker" "start" "-a" "00983d1eae82a5c2e742e4d424c5ad71713408302ecc5240fc0551ff8ce5e6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> src/p12.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |     while(numdivisors(tri) < 500) {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "00983d1eae82a5c2e742e4d424c5ad71713408302ecc5240fc0551ff8ce5e6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00983d1eae82a5c2e742e4d424c5ad71713408302ecc5240fc0551ff8ce5e6ad", kill_on_drop: false }`
[INFO] [stdout] 00983d1eae82a5c2e742e4d424c5ad71713408302ecc5240fc0551ff8ce5e6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee772dcc5b941a626aae8c195c7518f99685db0272e2398f3d8505ff4562918e
[INFO] running `Command { std: "docker" "start" "-a" "ee772dcc5b941a626aae8c195c7518f99685db0272e2398f3d8505ff4562918e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]  --> src/p12.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 |     while(numdivisors(tri) < 500) {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `euler` (bin "euler" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler-2c4405054d30a63f)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee772dcc5b941a626aae8c195c7518f99685db0272e2398f3d8505ff4562918e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee772dcc5b941a626aae8c195c7518f99685db0272e2398f3d8505ff4562918e", kill_on_drop: false }`
[INFO] [stdout] ee772dcc5b941a626aae8c195c7518f99685db0272e2398f3d8505ff4562918e