[INFO] updating cached repository https://github.com/Paulswith/euler
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 932203a1711d67afc53dfe672ee55e0e7f8b8b31
[INFO] testing Paulswith/euler against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulswith%2Feuler" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Paulswith/euler on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Paulswith/euler
[INFO] finished tweaking git repo https://github.com/Paulswith/euler
[INFO] tweaked toml for git repo https://github.com/Paulswith/euler written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Paulswith/euler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca0cba320098180f2d463a708022c01438cca4abc2931972b6a6b08c75e1f020
[INFO] running `"docker" "start" "-a" "ca0cba320098180f2d463a708022c01438cca4abc2931972b6a6b08c75e1f020"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "ca0cba320098180f2d463a708022c01438cca4abc2931972b6a6b08c75e1f020"`
[INFO] running `"docker" "rm" "-f" "ca0cba320098180f2d463a708022c01438cca4abc2931972b6a6b08c75e1f020"`
[INFO] [stdout] ca0cba320098180f2d463a708022c01438cca4abc2931972b6a6b08c75e1f020
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a060a40e029ef04f0a7182b208082343a547664ddd6f51e681a76485e7ee2a10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a060a40e029ef04f0a7182b208082343a547664ddd6f51e681a76485e7ee2a10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "a060a40e029ef04f0a7182b208082343a547664ddd6f51e681a76485e7ee2a10"`
[INFO] running `"docker" "rm" "-f" "a060a40e029ef04f0a7182b208082343a547664ddd6f51e681a76485e7ee2a10"`
[INFO] [stdout] a060a40e029ef04f0a7182b208082343a547664ddd6f51e681a76485e7ee2a10
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5cd26873f322464bc854e5e19b6ef201ef6e6ed4e027a059078c702ef5aaf8a
[INFO] running `"docker" "start" "-a" "d5cd26873f322464bc854e5e19b6ef201ef6e6ed4e027a059078c702ef5aaf8a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::cmp::max;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_factors`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_factors`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut prime_factors: Vec<u64> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `primes`
[INFO] [stderr]    --> src/archives_1_50/archives_1_5.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn primes(in_range: u64) -> Vec<u64> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-921e55cf16070fb0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-2fea399c8be409eb
[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] [stdout] 
[INFO] [stderr]    Doc-tests euler
[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] [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 `"docker" "inspect" "d5cd26873f322464bc854e5e19b6ef201ef6e6ed4e027a059078c702ef5aaf8a"`
[INFO] running `"docker" "rm" "-f" "d5cd26873f322464bc854e5e19b6ef201ef6e6ed4e027a059078c702ef5aaf8a"`
[INFO] [stdout] d5cd26873f322464bc854e5e19b6ef201ef6e6ed4e027a059078c702ef5aaf8a