[INFO] cloning repository https://github.com/nimr0d/projecteuler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nimr0d/projecteuler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimr0d%2Fprojecteuler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimr0d%2Fprojecteuler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3cf8c61e824ca003c8c468d26d71be5671e6682
[INFO] testing nimr0d/projecteuler-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimr0d%2Fprojecteuler-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nimr0d/projecteuler-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nimr0d/projecteuler-rs
[INFO] finished tweaking git repo https://github.com/nimr0d/projecteuler-rs
[INFO] tweaked toml for git repo https://github.com/nimr0d/projecteuler-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/nimr0d/projecteuler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d81e5f3b4ece3bd5e938b01d0cad5dcfb7d092f62fe93ee5666aee0e381f773f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d81e5f3b4ece3bd5e938b01d0cad5dcfb7d092f62fe93ee5666aee0e381f773f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d81e5f3b4ece3bd5e938b01d0cad5dcfb7d092f62fe93ee5666aee0e381f773f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81e5f3b4ece3bd5e938b01d0cad5dcfb7d092f62fe93ee5666aee0e381f773f", kill_on_drop: false }`
[INFO] [stdout] d81e5f3b4ece3bd5e938b01d0cad5dcfb7d092f62fe93ee5666aee0e381f773f
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1f7b77fda9dc4e892ecc1625ae868155649a75ec8d76f03bc4784920edbcd3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b1f7b77fda9dc4e892ecc1625ae868155649a75ec8d76f03bc4784920edbcd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_euler_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/euler/modular.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[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] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p2.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let N = 4000000;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p3.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let N : u64 = 600851475143;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p1.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let N = 999;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "2b1f7b77fda9dc4e892ecc1625ae868155649a75ec8d76f03bc4784920edbcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1f7b77fda9dc4e892ecc1625ae868155649a75ec8d76f03bc4784920edbcd3", kill_on_drop: false }`
[INFO] [stdout] 2b1f7b77fda9dc4e892ecc1625ae868155649a75ec8d76f03bc4784920edbcd3
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bf8ba4b1042e9874658d3122700fa825923c879f5e75069563a9cc57edc5c5b
[INFO] running `Command { std: "docker" "start" "-a" "2bf8ba4b1042e9874658d3122700fa825923c879f5e75069563a9cc57edc5c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_euler_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/euler/modular.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[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] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p2.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let N = 4000000;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p3.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let N : u64 = 600851475143;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/euler/modular.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/bin/p1.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let N = 999;
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "2bf8ba4b1042e9874658d3122700fa825923c879f5e75069563a9cc57edc5c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf8ba4b1042e9874658d3122700fa825923c879f5e75069563a9cc57edc5c5b", kill_on_drop: false }`
[INFO] [stdout] 2bf8ba4b1042e9874658d3122700fa825923c879f5e75069563a9cc57edc5c5b
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ffaa7d4f40d7e178fb81f6610d57b72a8f92ba17c8885ef4cee84ba0baafea0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ffaa7d4f40d7e178fb81f6610d57b72a8f92ba17c8885ef4cee84ba0baafea0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/euler/modular.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/euler/modular.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/bin/p1.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let N = 999;
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/bin/p3.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let N : u64 = 600851475143;
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/bin/p2.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let N = 4000000;
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-1eee1f6decc5cf09
[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] [stderr]      Running /opt/rustwide/target/debug/deps/p1-8f1c495ce7916245
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/p2-60e19ff24d0b4dea
[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] [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] [stderr]      Running /opt/rustwide/target/debug/deps/p3-578d25f439272627
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests euler
[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] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/euler/modular.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let b = modpow(c, (1u64 << (m - i - 1)), p);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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 `Command { std: "docker" "inspect" "0ffaa7d4f40d7e178fb81f6610d57b72a8f92ba17c8885ef4cee84ba0baafea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffaa7d4f40d7e178fb81f6610d57b72a8f92ba17c8885ef4cee84ba0baafea0", kill_on_drop: false }`
[INFO] [stdout] 0ffaa7d4f40d7e178fb81f6610d57b72a8f92ba17c8885ef4cee84ba0baafea0