[INFO] cloning repository https://github.com/ijagberg/factorize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijagberg/factorize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Ffactorize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Ffactorize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e953108716717270a48f82c4de374e7a820ed130
[INFO] checking ijagberg/factorize against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijagberg%2Ffactorize" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijagberg/factorize on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ijagberg/factorize
[INFO] finished tweaking git repo https://github.com/ijagberg/factorize
[INFO] tweaked toml for git repo https://github.com/ijagberg/factorize written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ijagberg/factorize already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 7b609a739ed87f6c402cc592a44c6393f0cf28e654203072cf00be9a49d8ec8e
[INFO] running `Command { std: "docker" "start" "-a" "7b609a739ed87f6c402cc592a44c6393f0cf28e654203072cf00be9a49d8ec8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b609a739ed87f6c402cc592a44c6393f0cf28e654203072cf00be9a49d8ec8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b609a739ed87f6c402cc592a44c6393f0cf28e654203072cf00be9a49d8ec8e", kill_on_drop: false }`
[INFO] [stdout] 7b609a739ed87f6c402cc592a44c6393f0cf28e654203072cf00be9a49d8ec8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--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] 0c5a4213a1acb5b2c902aa6cab88a739168a0bd0335d34245e103a3ebcb2224e
[INFO] running `Command { std: "docker" "start" "-a" "0c5a4213a1acb5b2c902aa6cab88a739168a0bd0335d34245e103a3ebcb2224e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking factorize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Sieve`
[INFO] [stdout]  --> src/sieve.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Sieve {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/sieve.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(len: usize) -> Sieve {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `primes`
[INFO] [stdout]   --> src/sieve.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn primes(&self) -> impl Iterator<Item = usize> + '_ {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_prime`
[INFO] [stdout]   --> src/sieve.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn is_prime(&self, n: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 07s
[INFO] running `Command { std: "docker" "inspect" "0c5a4213a1acb5b2c902aa6cab88a739168a0bd0335d34245e103a3ebcb2224e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5a4213a1acb5b2c902aa6cab88a739168a0bd0335d34245e103a3ebcb2224e", kill_on_drop: false }`
[INFO] [stdout] 0c5a4213a1acb5b2c902aa6cab88a739168a0bd0335d34245e103a3ebcb2224e