[INFO] cloning repository https://github.com/nparthas/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nparthas/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnparthas%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnparthas%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebce9a505f05f745f29a8e2d979ad45d02b27033
[INFO] testing nparthas/project_euler against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnparthas%2Fproject_euler" "/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/nparthas/project_euler on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nparthas/project_euler
[INFO] finished tweaking git repo https://github.com/nparthas/project_euler
[INFO] tweaked toml for git repo https://github.com/nparthas/project_euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nparthas/project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bf7ea23a0feea643b310e69dab66e0612dd87e3e78fb2bedbd0b6ad405429e
[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" "37bf7ea23a0feea643b310e69dab66e0612dd87e3e78fb2bedbd0b6ad405429e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bf7ea23a0feea643b310e69dab66e0612dd87e3e78fb2bedbd0b6ad405429e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bf7ea23a0feea643b310e69dab66e0612dd87e3e78fb2bedbd0b6ad405429e", kill_on_drop: false }`
[INFO] [stdout] 37bf7ea23a0feea643b310e69dab66e0612dd87e3e78fb2bedbd0b6ad405429e
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd67dd2bd22150197e2cbf04a28170761c4202cc179461b6205e8fbfae46675
[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" "ffd67dd2bd22150197e2cbf04a28170761c4202cc179461b6205e8fbfae46675", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.34
[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 euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/q1_50/q19.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let yr: i16 = if mth > 10 as f64 { (year - 1) } else { year };
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn run_and_print(function: &Fn() -> i64) -> () {
[INFO] [stdout]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/q1_50/q22.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Err(why) => panic!("Could not open {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "ffd67dd2bd22150197e2cbf04a28170761c4202cc179461b6205e8fbfae46675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd67dd2bd22150197e2cbf04a28170761c4202cc179461b6205e8fbfae46675", kill_on_drop: false }`
[INFO] [stdout] ffd67dd2bd22150197e2cbf04a28170761c4202cc179461b6205e8fbfae46675
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a7ec7fd7eeceb4ece8801f535260575387a75ff64a0f4f3946b465fa0be6fe
[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" "91a7ec7fd7eeceb4ece8801f535260575387a75ff64a0f4f3946b465fa0be6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/q1_50/q19.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let yr: i16 = if mth > 10 as f64 { (year - 1) } else { year };
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn run_and_print(function: &Fn() -> i64) -> () {
[INFO] [stdout]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/q1_50/q22.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Err(why) => panic!("Could not open {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "91a7ec7fd7eeceb4ece8801f535260575387a75ff64a0f4f3946b465fa0be6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a7ec7fd7eeceb4ece8801f535260575387a75ff64a0f4f3946b465fa0be6fe", kill_on_drop: false }`
[INFO] [stdout] 91a7ec7fd7eeceb4ece8801f535260575387a75ff64a0f4f3946b465fa0be6fe
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 0164ef0db58e3c3412cab129b7324d29cea7f68da911f82fc46c7e1a502c253d
[INFO] running `Command { std: "docker" "start" "-a" "0164ef0db58e3c3412cab129b7324d29cea7f68da911f82fc46c7e1a502c253d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/q1_50/q19.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let yr: i16 = if mth > 10 as f64 { (year - 1) } else { year };
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn run_and_print(function: &Fn() -> i64) -> () {
[INFO] [stderr]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> i64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/q1_50/q22.rs:15:70
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Err(why) => panic!("Could not open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-fd9064c87d5bbbfa
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test q1_50::q27::tests::count_consecutive_should_match_examples ... ok
[INFO] [stdout] test q1_50::q27::tests::prime_tests ... ok
[INFO] [stdout] test q1_50::q27::tests::shoud_not_be_prime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0164ef0db58e3c3412cab129b7324d29cea7f68da911f82fc46c7e1a502c253d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0164ef0db58e3c3412cab129b7324d29cea7f68da911f82fc46c7e1a502c253d", kill_on_drop: false }`
[INFO] [stdout] 0164ef0db58e3c3412cab129b7324d29cea7f68da911f82fc46c7e1a502c253d