[INFO] cloning repository https://github.com/rHermes/rusty-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rHermes/rusty-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrHermes%2Frusty-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrHermes%2Frusty-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07d79658f70957edf02e6eab34749dbee2d46469
[INFO] building rHermes/rusty-euler against master#a29f341a8ac4e9325a5e37027b4215f50a76d06f for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrHermes%2Frusty-euler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rHermes/rusty-euler on toolchain a29f341a8ac4e9325a5e37027b4215f50a76d06f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rHermes/rusty-euler
[INFO] finished tweaking git repo https://github.com/rHermes/rusty-euler
[INFO] tweaked toml for git repo https://github.com/rHermes/rusty-euler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rHermes/rusty-euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2d31f621b576b27fb065c16ee22031025a01c2797532bf0217f1be1f5e8cde
[INFO] running `Command { std: "docker" "start" "-a" "ac2d31f621b576b27fb065c16ee22031025a01c2797532bf0217f1be1f5e8cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2d31f621b576b27fb065c16ee22031025a01c2797532bf0217f1be1f5e8cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2d31f621b576b27fb065c16ee22031025a01c2797532bf0217f1be1f5e8cde", kill_on_drop: false }`
[INFO] [stdout] ac2d31f621b576b27fb065c16ee22031025a01c2797532bf0217f1be1f5e8cde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe22b2bb1454d3826ff39c6e12fe637f498f6aa3e2cc25fa0d8dfa74c0d69779
[INFO] running `Command { std: "docker" "start" "-a" "fe22b2bb1454d3826ff39c6e12fe637f498f6aa3e2cc25fa0d8dfa74c0d69779", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `primes_below` is never used
[INFO] [stdout]  --> src/primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn primes_below(n: u64) -> Vec<u64> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/primes.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn is_prime(n: u64, primes: &[u64]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nth_prime` is never used
[INFO] [stdout]   --> src/primes.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn nth_prime(n: usize) -> 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 7.02s
[INFO] running `Command { std: "docker" "inspect" "fe22b2bb1454d3826ff39c6e12fe637f498f6aa3e2cc25fa0d8dfa74c0d69779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe22b2bb1454d3826ff39c6e12fe637f498f6aa3e2cc25fa0d8dfa74c0d69779", kill_on_drop: false }`
[INFO] [stdout] fe22b2bb1454d3826ff39c6e12fe637f498f6aa3e2cc25fa0d8dfa74c0d69779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1342b4e9ead2a0adde0a221a5e813138337f917dd4351b9b7918b61d793d2e16
[INFO] running `Command { std: "docker" "start" "-a" "1342b4e9ead2a0adde0a221a5e813138337f917dd4351b9b7918b61d793d2e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `primes_below` is never used
[INFO] [stdout]  --> src/primes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn primes_below(n: u64) -> Vec<u64> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/primes.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn is_prime(n: u64, primes: &[u64]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nth_prime` is never used
[INFO] [stdout]   --> src/primes.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn nth_prime(n: usize) -> 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "1342b4e9ead2a0adde0a221a5e813138337f917dd4351b9b7918b61d793d2e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1342b4e9ead2a0adde0a221a5e813138337f917dd4351b9b7918b61d793d2e16", kill_on_drop: false }`
[INFO] [stdout] 1342b4e9ead2a0adde0a221a5e813138337f917dd4351b9b7918b61d793d2e16