[INFO] updating cached repository https://github.com/cameronp98/rust-euler [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d22c5e9581ab6f5639c706037b289ea2178de3f7 [INFO] testing cameronp98/rust-euler against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronp98%2Frust-euler" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cameronp98/rust-euler on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cameronp98/rust-euler [INFO] finished tweaking git repo https://github.com/cameronp98/rust-euler [INFO] tweaked toml for git repo https://github.com/cameronp98/rust-euler written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/cameronp98/rust-euler already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6aeadec272beefbf8c50496f064a55051857e4e1819c6d09eafbd63e29708636 [INFO] running `"docker" "start" "-a" "6aeadec272beefbf8c50496f064a55051857e4e1819c6d09eafbd63e29708636"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling futures v0.1.28 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling bit-vec v0.6.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling openssl-sys v0.9.48 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.3 [INFO] [stderr] Compiling miniz_oxide v0.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling http v0.1.18 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling html5ever v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling markup5ever v0.8.1 [INFO] [stderr] Compiling reqwest v0.9.19 [INFO] [stderr] Compiling select v0.4.3 [INFO] [stderr] Compiling project-euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 15s [INFO] running `"docker" "inspect" "6aeadec272beefbf8c50496f064a55051857e4e1819c6d09eafbd63e29708636"` [INFO] running `"docker" "rm" "-f" "6aeadec272beefbf8c50496f064a55051857e4e1819c6d09eafbd63e29708636"` [INFO] [stdout] 6aeadec272beefbf8c50496f064a55051857e4e1819c6d09eafbd63e29708636 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3adf33752a3b6c1ae3a033e28b7983a589e4e2d608e747b168da33ffd91d51b5 [INFO] running `"docker" "start" "-a" "3adf33752a3b6c1ae3a033e28b7983a589e4e2d608e747b168da33ffd91d51b5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling project-euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut sieve = PrimeSieve::new(252); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `"docker" "inspect" "3adf33752a3b6c1ae3a033e28b7983a589e4e2d608e747b168da33ffd91d51b5"` [INFO] running `"docker" "rm" "-f" "3adf33752a3b6c1ae3a033e28b7983a589e4e2d608e747b168da33ffd91d51b5"` [INFO] [stdout] 3adf33752a3b6c1ae3a033e28b7983a589e4e2d608e747b168da33ffd91d51b5 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e0d6f05cdc85b2fc1f3826c4b514f8a196ea6ffe009a1d952deff68f44379bcc [INFO] running `"docker" "start" "-a" "e0d6f05cdc85b2fc1f3826c4b514f8a196ea6ffe009a1d952deff68f44379bcc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prime.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut sieve = PrimeSieve::new(252); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/euler-12ce78ff14f4e617 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test prime::tests::generate_primes ... ok [INFO] [stdout] test tests::is_palindrome_works ... ok [INFO] [stdout] test prime::tests::prime_sieve_works ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/euler-d90ecf0792f5e934 [INFO] [stdout] [INFO] [stdout] test result: ok. 3 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] Doc-tests euler [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 `"docker" "inspect" "e0d6f05cdc85b2fc1f3826c4b514f8a196ea6ffe009a1d952deff68f44379bcc"` [INFO] running `"docker" "rm" "-f" "e0d6f05cdc85b2fc1f3826c4b514f8a196ea6ffe009a1d952deff68f44379bcc"` [INFO] [stdout] e0d6f05cdc85b2fc1f3826c4b514f8a196ea6ffe009a1d952deff68f44379bcc