[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] testing feadoor/projecteuler-rs against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Fprojecteuler-rs" "/workspace/builds/worker-27/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/feadoor/projecteuler-rs on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-27/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" "+1.60.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] [stderr] Downloaded interleave v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d02c50ff009c41a8ea5a0271ea8af9776f5f5923f79ea72743a5ad09a8faef2c [INFO] running `Command { std: "docker" "start" "-a" "d02c50ff009c41a8ea5a0271ea8af9776f5f5923f79ea72743a5ad09a8faef2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d02c50ff009c41a8ea5a0271ea8af9776f5f5923f79ea72743a5ad09a8faef2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d02c50ff009c41a8ea5a0271ea8af9776f5f5923f79ea72743a5ad09a8faef2c", kill_on_drop: false }` [INFO] [stdout] d02c50ff009c41a8ea5a0271ea8af9776f5f5923f79ea72743a5ad09a8faef2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48213750bf68d74800e84b04e3c749601cd07b21c2153051eaa145593ada411c [INFO] running `Command { std: "docker" "start" "-a" "48213750bf68d74800e84b04e3c749601cd07b21c2153051eaa145593ada411c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling numeric_traits v0.1.0 (/opt/rustwide/workdir/libs/numeric_traits) [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling search v0.1.0 (/opt/rustwide/workdir/libs/search) [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling interleave v1.0.1 [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-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling modular_arithmetic v0.1.0 (/opt/rustwide/workdir/libs/modular_arithmetic) [INFO] [stderr] Compiling combinatorics v0.1.0 (/opt/rustwide/workdir/libs/combinatorics) [INFO] [stderr] Compiling number_theory v0.1.0 (/opt/rustwide/workdir/libs/number_theory) [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling primesieve v0.2.0 (/opt/rustwide/workdir/libs/primesieve) [INFO] [stderr] Compiling mertens_recurrence v0.1.0 (/opt/rustwide/workdir/libs/mertens_recurrence) [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] [stderr] Compiling petgraph v0.4.13 [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: 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] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling 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] [stderr] Compiling projecteuler-rs v0.1.0 (/opt/rustwide/workdir) [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] [stderr] error: could not compile `projecteuler-rs` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name problem098 --edition=2018 src/bin/problem098.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4f8ff32f2e9c5354 -C extra-filename=-4f8ff32f2e9c5354 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-592666dac2c0a789.rlib --extern combinatorics=/opt/rustwide/target/debug/deps/libcombinatorics-259e2f9eda150983.rlib --extern continued_fractions=/opt/rustwide/target/debug/deps/libcontinued_fractions-8b1dd8e032ef25eb.rlib --extern interleave=/opt/rustwide/target/debug/deps/libinterleave-69f4e6b9bd616268.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d2402e9747f5422a.rlib --extern mertens_recurrence=/opt/rustwide/target/debug/deps/libmertens_recurrence-31be0bb28aef6934.rlib --extern modular_arithmetic=/opt/rustwide/target/debug/deps/libmodular_arithmetic-ad81963145ec9702.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-3c6ee0cfa41d02a3.rlib --extern number_theory=/opt/rustwide/target/debug/deps/libnumber_theory-263e1c550055cbef.rlib --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-8797684656790800.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-13d4bc45c228e31f.rlib --extern primesieve=/opt/rustwide/target/debug/deps/libprimesieve-aa2b27ecbc75e56e.rlib --extern projecteuler_rs=/opt/rustwide/target/debug/deps/libprojecteuler_rs-d3509adf0904d5f1.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8d4102b2dd9eb22c.rlib --extern search=/opt/rustwide/target/debug/deps/libsearch-b0a892db36498694.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "48213750bf68d74800e84b04e3c749601cd07b21c2153051eaa145593ada411c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48213750bf68d74800e84b04e3c749601cd07b21c2153051eaa145593ada411c", kill_on_drop: false }` [INFO] [stdout] 48213750bf68d74800e84b04e3c749601cd07b21c2153051eaa145593ada411c