[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Fprojecteuler-rs" "/workspace/builds/worker-90/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/feadoor/projecteuler-rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-90/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 ordermap v0.3.5 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded petgraph v0.4.13 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded interleave v1.0.1 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22693b1e3dd391a06e59726dbb6e3080b66bc9df43324d528c5a779090f74df9 [INFO] running `Command { std: "docker" "start" "-a" "22693b1e3dd391a06e59726dbb6e3080b66bc9df43324d528c5a779090f74df9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22693b1e3dd391a06e59726dbb6e3080b66bc9df43324d528c5a779090f74df9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22693b1e3dd391a06e59726dbb6e3080b66bc9df43324d528c5a779090f74df9", kill_on_drop: false }` [INFO] [stdout] 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"check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80966a10875b584cca41447fb192f56350fda71ec9020bd5abfdea5c688aa864 [INFO] running `Command { std: "docker" "start" "-a" "80966a10875b584cca41447fb192f56350fda71ec9020bd5abfdea5c688aa864", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking numeric_traits v0.1.0 (/tmp/fixit/libs/numeric_traits) [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking search v0.1.0 (/tmp/fixit/libs/search) [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking 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-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking combinatorics v0.1.0 (/tmp/fixit/libs/combinatorics) [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking modular_arithmetic v0.1.0 (/tmp/fixit/libs/modular_arithmetic) [INFO] [stderr] Checking number_theory v0.1.0 (/tmp/fixit/libs/number_theory) [INFO] [stderr] Checking mertens_recurrence v0.1.0 (/tmp/fixit/libs/mertens_recurrence) [INFO] [stderr] Checking primesieve v0.2.0 (/tmp/fixit/libs/primesieve) [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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.5.1 [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 (/tmp/fixit/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 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem133.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem114.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem061.rs from 2018 edition to 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2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem052.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem109.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem108.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem088.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem043.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem106.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem001.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem118.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem090.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem082.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem014.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem097.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem044.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem034.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem020.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem041.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem066.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem022.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem039.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem036.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem111.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/problem065.rs from 2018 edition to 2021 [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 59.67s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking projecteuler-rs v0.1.0 (/tmp/fixit) [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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: 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] [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] [stderr] error: could not compile `projecteuler-rs` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name problem054 --edition=2021 -Z unstable-options src/bin/problem054.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=64e520fec32ddf2e -C extra-filename=-64e520fec32ddf2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-ea6913e3a9926d4e.rmeta --extern combinatorics=/opt/rustwide/target/debug/deps/libcombinatorics-1014d2e7b70c7280.rmeta --extern continued_fractions=/opt/rustwide/target/debug/deps/libcontinued_fractions-457296fbf7f27588.rmeta --extern interleave=/opt/rustwide/target/debug/deps/libinterleave-e146a95e512d331f.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6062404b3123959f.rmeta --extern mertens_recurrence=/opt/rustwide/target/debug/deps/libmertens_recurrence-20140be3a4ac0d6f.rmeta --extern modular_arithmetic=/opt/rustwide/target/debug/deps/libmodular_arithmetic-2c477893efcb7d05.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-3d0bdd2b0d0c5951.rmeta --extern number_theory=/opt/rustwide/target/debug/deps/libnumber_theory-d8062384f23a034e.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-5926de041d9fa5b7.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-56b65296bb30ce14.rmeta --extern primesieve=/opt/rustwide/target/debug/deps/libprimesieve-a9fa733ca7ee2703.rmeta --extern projecteuler_rs=/opt/rustwide/target/debug/deps/libprojecteuler_rs-43d5169fee8ff320.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6fe2a7114262cfbb.rmeta --extern search=/opt/rustwide/target/debug/deps/libsearch-04e81b21accf8006.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] error: build failed [INFO] [stderr] error: failed to check after updating to 2021 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "80966a10875b584cca41447fb192f56350fda71ec9020bd5abfdea5c688aa864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80966a10875b584cca41447fb192f56350fda71ec9020bd5abfdea5c688aa864", kill_on_drop: false }` [INFO] [stdout] 80966a10875b584cca41447fb192f56350fda71ec9020bd5abfdea5c688aa864