[INFO] updating cached repository https://github.com/fmendez/euler-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddd2ac7cf5dbdf15a545df3d3e7f5ea6146464c7
[INFO] testing fmendez/euler-rs 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%2Ffmendez%2Feuler-rs" "/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/fmendez/euler-rs 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/fmendez/euler-rs
[INFO] finished tweaking git repo https://github.com/fmendez/euler-rs
[INFO] tweaked toml for git repo https://github.com/fmendez/euler-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fmendez/euler-rs 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-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" "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] 27b9d801be1a0d459c3458039daf015e5c291e0fbcb68708ec2e05b4f622d984
[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" "27b9d801be1a0d459c3458039daf015e5c291e0fbcb68708ec2e05b4f622d984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b9d801be1a0d459c3458039daf015e5c291e0fbcb68708ec2e05b4f622d984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b9d801be1a0d459c3458039daf015e5c291e0fbcb68708ec2e05b4f622d984", kill_on_drop: false }`
[INFO] [stdout] 27b9d801be1a0d459c3458039daf015e5c291e0fbcb68708ec2e05b4f622d984
[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" "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] 5e8f9db6d5aef9817b4fc8158c558b0d99232774f9bfab21fda534f4d6ce36ff
[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" "5e8f9db6d5aef9817b4fc8158c558b0d99232774f9bfab21fda534f4d6ce36ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sum_multiples_of_a_and_b_below_z`
[INFO] [stdout]  --> src/problems/problem_001.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_multiples_of_a_and_b_below_z(a: u64, b: u64, z: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divible_by`
[INFO] [stdout]  --> src/problems/problem_001.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn divible_by(n: u64, z: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_even_fibonacci_not_exceeding_x`
[INFO] [stdout]  --> src/problems/problem_002.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_even_fibonacci_not_exceeding_x(target: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5e8f9db6d5aef9817b4fc8158c558b0d99232774f9bfab21fda534f4d6ce36ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8f9db6d5aef9817b4fc8158c558b0d99232774f9bfab21fda534f4d6ce36ff", kill_on_drop: false }`
[INFO] [stdout] 5e8f9db6d5aef9817b4fc8158c558b0d99232774f9bfab21fda534f4d6ce36ff
[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" "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] 05cd5237c0147635d871f7acc6d1f383ec153f62e8af3e548e7e90c124b02ae6
[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" "05cd5237c0147635d871f7acc6d1f383ec153f62e8af3e548e7e90c124b02ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sum_multiples_of_a_and_b_below_z`
[INFO] [stdout]  --> src/problems/problem_001.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_multiples_of_a_and_b_below_z(a: u64, b: u64, z: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divible_by`
[INFO] [stdout]  --> src/problems/problem_001.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn divible_by(n: u64, z: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_even_fibonacci_not_exceeding_x`
[INFO] [stdout]  --> src/problems/problem_002.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_even_fibonacci_not_exceeding_x(target: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "05cd5237c0147635d871f7acc6d1f383ec153f62e8af3e548e7e90c124b02ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cd5237c0147635d871f7acc6d1f383ec153f62e8af3e548e7e90c124b02ae6", kill_on_drop: false }`
[INFO] [stdout] 05cd5237c0147635d871f7acc6d1f383ec153f62e8af3e548e7e90c124b02ae6
[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" "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] [stdout] 2a60ea46fba72b3fa60af65cf359c9c39a7f51fab19c50b10a007560a140e248
[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" "2a60ea46fba72b3fa60af65cf359c9c39a7f51fab19c50b10a007560a140e248", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `sum_multiples_of_a_and_b_below_z`
[INFO] [stderr]  --> src/problems/problem_001.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sum_multiples_of_a_and_b_below_z(a: u64, b: u64, z: u64) -> u64 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divible_by`
[INFO] [stderr]  --> src/problems/problem_001.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn divible_by(n: u64, z: u64) -> u64 {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_even_fibonacci_not_exceeding_x`
[INFO] [stderr]  --> src/problems/problem_002.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sum_even_fibonacci_not_exceeding_x(target: u64) -> u64 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler_rs-358f50a95f9d2716
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problems::problem_001::test::sum_multiples_of_a_and_b_below_z_test ... ok
[INFO] [stdout] test problems::problem_002::test::sum_even_fibonacci_not_exceeding_x_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler_rs-338e18983f679e07
[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-rs
[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 `Command { std: "docker" "inspect" "2a60ea46fba72b3fa60af65cf359c9c39a7f51fab19c50b10a007560a140e248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a60ea46fba72b3fa60af65cf359c9c39a7f51fab19c50b10a007560a140e248", kill_on_drop: false }`
[INFO] [stdout] 2a60ea46fba72b3fa60af65cf359c9c39a7f51fab19c50b10a007560a140e248