[INFO] cloning repository https://github.com/feadoor/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/feadoor/projecteuler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Fprojecteuler-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Fprojecteuler-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 483b93800c46dde820c057b6628aa3284acbd7bf [INFO] checking feadoor/projecteuler-rs against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Fprojecteuler-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/feadoor/projecteuler-rs on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/feadoor/projecteuler-rs [INFO] finished tweaking git repo https://github.com/feadoor/projecteuler-rs [INFO] tweaked toml for git repo https://github.com/feadoor/projecteuler-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/feadoor/projecteuler-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e687cae94df5e2f8b77b637ed8450db65a36fc78e8ebd333db7851ae4be0bbe [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" "4e687cae94df5e2f8b77b637ed8450db65a36fc78e8ebd333db7851ae4be0bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e687cae94df5e2f8b77b637ed8450db65a36fc78e8ebd333db7851ae4be0bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e687cae94df5e2f8b77b637ed8450db65a36fc78e8ebd333db7851ae4be0bbe", kill_on_drop: false }` [INFO] [stdout] 4e687cae94df5e2f8b77b637ed8450db65a36fc78e8ebd333db7851ae4be0bbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f717ed6aa47dcee227ead5014e280cfec63fdaf4d844c774591a501bf6082b5a [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" "f717ed6aa47dcee227ead5014e280cfec63fdaf4d844c774591a501bf6082b5a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking numeric_traits v0.1.0 (/opt/rustwide/workdir/libs/numeric_traits) [INFO] [stderr] Checking search v0.1.0 (/opt/rustwide/workdir/libs/search) [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking interleave v1.0.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking modular_arithmetic v0.1.0 (/opt/rustwide/workdir/libs/modular_arithmetic) [INFO] [stderr] Checking combinatorics v0.1.0 (/opt/rustwide/workdir/libs/combinatorics) [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking number_theory v0.1.0 (/opt/rustwide/workdir/libs/number_theory) [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking primesieve v0.2.0 (/opt/rustwide/workdir/libs/primesieve) [INFO] [stderr] Checking mertens_recurrence v0.1.0 (/opt/rustwide/workdir/libs/mertens_recurrence) [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> libs/mertens_recurrence/src/lib.rs:45:38 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn calculate_value_at(&self, N: u64) -> i64 { [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: function is never used: `set_on` [INFO] [stdout] --> libs/primesieve/src/segment.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn set_on(segment: &mut [u64], idx: u64) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `K` should have a snake case name [INFO] [stdout] --> libs/mertens_recurrence/src/lib.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let K = integer_sqrt(N); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> libs/mertens_recurrence/src/lib.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let M = N / K; [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking continued_fractions v0.1.0 (/opt/rustwide/workdir/libs/continued_fractions) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> libs/continued_fractions/src/lib.rs:180:17 [INFO] [stdout] | [INFO] [stdout] 180 | replace(&mut self.numers.0, replace(&mut self.numers.1, next_numer.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> libs/continued_fractions/src/lib.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | replace(&mut self.denoms.0, replace(&mut self.denoms.1, next_denom.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking projecteuler-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interleave-1.0.1/src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interleave-1.0.1/src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interleave-1.0.1/src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interleave-1.0.1/src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.85s [INFO] running `Command { std: "docker" "inspect" "f717ed6aa47dcee227ead5014e280cfec63fdaf4d844c774591a501bf6082b5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f717ed6aa47dcee227ead5014e280cfec63fdaf4d844c774591a501bf6082b5a", kill_on_drop: false }` [INFO] [stdout] f717ed6aa47dcee227ead5014e280cfec63fdaf4d844c774591a501bf6082b5a