[INFO] cloning repository https://github.com/asampley/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asampley/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasampley%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasampley%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c116df1938fd8af0bb11844d6b93febca0fbac4e
[INFO] testing asampley/project-euler-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasampley%2Fproject-euler-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asampley/project-euler-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asampley/project-euler-rust
[INFO] finished tweaking git repo https://github.com/asampley/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/asampley/project-euler-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/asampley/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 772e39273d29fa00bf21c5fd435f646adc15e8c830bbae5b7fe0a89304b4cb64
[INFO] running `Command { std: "docker" "start" "-a" "772e39273d29fa00bf21c5fd435f646adc15e8c830bbae5b7fe0a89304b4cb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772e39273d29fa00bf21c5fd435f646adc15e8c830bbae5b7fe0a89304b4cb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772e39273d29fa00bf21c5fd435f646adc15e8c830bbae5b7fe0a89304b4cb64", kill_on_drop: false }`
[INFO] [stdout] 772e39273d29fa00bf21c5fd435f646adc15e8c830bbae5b7fe0a89304b4cb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1edd507fcaabe6e843155914ac27fdcd972fbe8acc242d8137f97519cf2026
[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" "4b1edd507fcaabe6e843155914ac27fdcd972fbe8acc242d8137f97519cf2026", kill_on_drop: false }`
[INFO] [stderr]    Compiling project-euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/macros.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! mods {
[INFO] [stdout] 3 | |     ( $( $x:ident ),* ) => ( $(mod $x;)* );
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_prime`
[INFO] [stdout]   --> src/numbers/prime.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_prime(&mut self, x: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "4b1edd507fcaabe6e843155914ac27fdcd972fbe8acc242d8137f97519cf2026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1edd507fcaabe6e843155914ac27fdcd972fbe8acc242d8137f97519cf2026", kill_on_drop: false }`
[INFO] [stdout] 4b1edd507fcaabe6e843155914ac27fdcd972fbe8acc242d8137f97519cf2026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] d5af28e80ddeea1d811d2c35b7847cdd6e138d44a2c8eff06f2623aa9abcae91
[INFO] running `Command { std: "docker" "start" "-a" "d5af28e80ddeea1d811d2c35b7847cdd6e138d44a2c8eff06f2623aa9abcae91", kill_on_drop: false }`
[INFO] [stderr]    Compiling project-euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/macros.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! mods {
[INFO] [stdout] 3 | |     ( $( $x:ident ),* ) => ( $(mod $x;)* );
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_prime`
[INFO] [stdout]   --> src/numbers/prime.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_prime(&mut self, x: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "d5af28e80ddeea1d811d2c35b7847cdd6e138d44a2c8eff06f2623aa9abcae91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5af28e80ddeea1d811d2c35b7847cdd6e138d44a2c8eff06f2623aa9abcae91", kill_on_drop: false }`
[INFO] [stdout] d5af28e80ddeea1d811d2c35b7847cdd6e138d44a2c8eff06f2623aa9abcae91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27e279b180ec060035345ad364740371b50b34d818283f1dbb0d5c1e015c5396
[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" "27e279b180ec060035345ad364740371b50b34d818283f1dbb0d5c1e015c5396", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 | / macro_rules! mods {
[INFO] [stdout] 
[INFO] [stderr] 3 | |     ( $( $x:ident ),* ) => ( $(mod $x;)* );
[INFO] [stderr] 4 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_prime`
[INFO] [stderr]   --> src/numbers/prime.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_prime(&mut self, x: u64) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/project_euler_rust-2c95b1bbb8ecd9b1
[INFO] running `Command { std: "docker" "inspect" "27e279b180ec060035345ad364740371b50b34d818283f1dbb0d5c1e015c5396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e279b180ec060035345ad364740371b50b34d818283f1dbb0d5c1e015c5396", kill_on_drop: false }`
[INFO] [stdout] 27e279b180ec060035345ad364740371b50b34d818283f1dbb0d5c1e015c5396