[INFO] cloning repository https://github.com/cameronp98/rust-euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cameronp98/rust-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronp98%2Frust-euler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronp98%2Frust-euler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d22c5e9581ab6f5639c706037b289ea2178de3f7 [INFO] testing cameronp98/rust-euler against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronp98%2Frust-euler" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cameronp98/rust-euler on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5/source/Cargo.toml [INFO] crate git repo https://github.com/cameronp98/rust-euler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 3944cad50cb3bc665b449c9f465d5f2a45a2e93fdeeb672d915d94e3aec14485 [INFO] running `Command { std: "docker" "start" "-a" "3944cad50cb3bc665b449c9f465d5f2a45a2e93fdeeb672d915d94e3aec14485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3944cad50cb3bc665b449c9f465d5f2a45a2e93fdeeb672d915d94e3aec14485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3944cad50cb3bc665b449c9f465d5f2a45a2e93fdeeb672d915d94e3aec14485", kill_on_drop: false }` [INFO] [stdout] 3944cad50cb3bc665b449c9f465d5f2a45a2e93fdeeb672d915d94e3aec14485 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 054204f9924241bedbff2fc03bdae843f0a45bc0fd0e99c781c206b153eebd78 [INFO] running `Command { std: "docker" "start" "-a" "054204f9924241bedbff2fc03bdae843f0a45bc0fd0e99c781c206b153eebd78", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling bit-vec v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling miniz_oxide v0.3.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.18 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling openssl-sys v0.9.48 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.3 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [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 parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.10.2 [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 hyper-tls v0.3.2 [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/prime.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 07s [INFO] running `Command { std: "docker" "inspect" "054204f9924241bedbff2fc03bdae843f0a45bc0fd0e99c781c206b153eebd78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "054204f9924241bedbff2fc03bdae843f0a45bc0fd0e99c781c206b153eebd78", kill_on_drop: false }` [INFO] [stdout] 054204f9924241bedbff2fc03bdae843f0a45bc0fd0e99c781c206b153eebd78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f6c21d28d8d41f090282fafc2af7cc0847d4ea893136712bcf0d1df858f3b73 [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" "9f6c21d28d8d41f090282fafc2af7cc0847d4ea893136712bcf0d1df858f3b73", 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] Compiling project-euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/prime.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/prime.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut tester = PrimeSieve::new(1 + (n as f32).sqrt() as usize); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/prime.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut sieve = PrimeSieve::new(252); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.66s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/euler-44bb5ec11c118e1f) [INFO] [stderr] Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/euler-722b8ab8de388942) [INFO] running `Command { std: "docker" "inspect" "9f6c21d28d8d41f090282fafc2af7cc0847d4ea893136712bcf0d1df858f3b73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f6c21d28d8d41f090282fafc2af7cc0847d4ea893136712bcf0d1df858f3b73", kill_on_drop: false }` [INFO] [stdout] 9f6c21d28d8d41f090282fafc2af7cc0847d4ea893136712bcf0d1df858f3b73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 5a84569b0e4ec950c568fa13c67b4ae9036bb0410cc7538754802a415420dacc [INFO] running `Command { std: "docker" "start" "-a" "5a84569b0e4ec950c568fa13c67b4ae9036bb0410cc7538754802a415420dacc", kill_on_drop: false }` [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: `project-euler` (lib) generated 1 warning [INFO] [stderr] warning: `project-euler` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/euler-44bb5ec11c118e1f) [INFO] [stdout] running 3 tests [INFO] [stderr] Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/euler-722b8ab8de388942) [INFO] [stdout] test prime::tests::generate_primes ... ok [INFO] [stdout] test prime::tests::prime_sieve_works ... ok [INFO] [stdout] test tests::is_palindrome_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5a84569b0e4ec950c568fa13c67b4ae9036bb0410cc7538754802a415420dacc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a84569b0e4ec950c568fa13c67b4ae9036bb0410cc7538754802a415420dacc", kill_on_drop: false }` [INFO] [stdout] 5a84569b0e4ec950c568fa13c67b4ae9036bb0410cc7538754802a415420dacc