[INFO] cloning repository https://github.com/DarrenRJ/Euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarrenRJ/Euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarrenRJ%2FEuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarrenRJ%2FEuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0a4561ac291899ec025d0ab9f95dbc2dd7a2bbf
[INFO] testing DarrenRJ/Euler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarrenRJ%2FEuler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarrenRJ/Euler 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/DarrenRJ/Euler
[INFO] finished tweaking git repo https://github.com/DarrenRJ/Euler
[INFO] tweaked toml for git repo https://github.com/DarrenRJ/Euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DarrenRJ/Euler 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]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded primal-sieve v0.2.7
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded primal-check v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.60.0" "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] ef81b7e5a4672900054cda57ee8d93e959342ae3f259305c8ab77feba0ebe2de
[INFO] running `Command { std: "docker" "start" "-a" "ef81b7e5a4672900054cda57ee8d93e959342ae3f259305c8ab77feba0ebe2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef81b7e5a4672900054cda57ee8d93e959342ae3f259305c8ab77feba0ebe2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef81b7e5a4672900054cda57ee8d93e959342ae3f259305c8ab77feba0ebe2de", kill_on_drop: false }`
[INFO] [stdout] ef81b7e5a4672900054cda57ee8d93e959342ae3f259305c8ab77feba0ebe2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.60.0" "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] dfd3fe0b8982fabda48cfdac7ea81365c4fe052fc6436385f30a40f0a0266f06
[INFO] running `Command { std: "docker" "start" "-a" "dfd3fe0b8982fabda48cfdac7ea81365c4fe052fc6436385f30a40f0a0266f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.7
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling primal-check v0.2.2
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "dfd3fe0b8982fabda48cfdac7ea81365c4fe052fc6436385f30a40f0a0266f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd3fe0b8982fabda48cfdac7ea81365c4fe052fc6436385f30a40f0a0266f06", kill_on_drop: false }`
[INFO] [stdout] dfd3fe0b8982fabda48cfdac7ea81365c4fe052fc6436385f30a40f0a0266f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.60.0" "test" "--frozen" "--no-run" "--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] 45e0b38e11979d975be7b3444d61e21ea8c6977a8b917dc086959e8bcebf9768
[INFO] running `Command { std: "docker" "start" "-a" "45e0b38e11979d975be7b3444d61e21ea8c6977a8b917dc086959e8bcebf9768", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_factors`
[INFO] [stdout]    --> src/factors.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn test_factors() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_divisor_count`
[INFO] [stdout]    --> src/factors.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn test_divisor_count() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_proper_divisors`
[INFO] [stdout]    --> src/factors.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn test_proper_divisors() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_sum_of_proper_divisors`
[INFO] [stdout]    --> src/factors.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn test_sum_of_proper_divisors() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "45e0b38e11979d975be7b3444d61e21ea8c6977a8b917dc086959e8bcebf9768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e0b38e11979d975be7b3444d61e21ea8c6977a8b917dc086959e8bcebf9768", kill_on_drop: false }`
[INFO] [stdout] 45e0b38e11979d975be7b3444d61e21ea8c6977a8b917dc086959e8bcebf9768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.60.0" "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] 43cde1b5f938e512903bb744bdf8f2505beece1d210f524d945e164c7c2d6687
[INFO] running `Command { std: "docker" "start" "-a" "43cde1b5f938e512903bb744bdf8f2505beece1d210f524d945e164c7c2d6687", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `test_factors`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/factors.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn test_factors() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_divisor_count`
[INFO] [stderr]    --> src/factors.rs:179:8
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn test_divisor_count() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_proper_divisors`
[INFO] [stderr]    --> src/factors.rs:189:8
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn test_proper_divisors() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_sum_of_proper_divisors`
[INFO] [stderr]    --> src/factors.rs:200:8
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn test_sum_of_proper_divisors() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `euler` (bin "euler" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler-8f6c457f9a66a7fb)
[INFO] [stdout] test factors::test::test_prime_factors ... ok
[INFO] [stdout] test choose::test::test_choose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43cde1b5f938e512903bb744bdf8f2505beece1d210f524d945e164c7c2d6687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cde1b5f938e512903bb744bdf8f2505beece1d210f524d945e164c7c2d6687", kill_on_drop: false }`
[INFO] [stdout] 43cde1b5f938e512903bb744bdf8f2505beece1d210f524d945e164c7c2d6687