[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 beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulswith%2Feuler" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Paulswith/euler on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-6/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] bed28ad499e9f521bc2911b68d9013f7216850f14b40fdd13eeb66e133f31a0e
[INFO] running `"docker" "start" "-a" "bed28ad499e9f521bc2911b68d9013f7216850f14b40fdd13eeb66e133f31a0e"`
[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" "bed28ad499e9f521bc2911b68d9013f7216850f14b40fdd13eeb66e133f31a0e"`
[INFO] running `"docker" "rm" "-f" "bed28ad499e9f521bc2911b68d9013f7216850f14b40fdd13eeb66e133f31a0e"`
[INFO] [stdout] bed28ad499e9f521bc2911b68d9013f7216850f14b40fdd13eeb66e133f31a0e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88dd6ab3d90b5635643de7b9e4001c526f7d5068740f2989d48e9570a51b3eb9
[INFO] running `"docker" "start" "-a" "88dd6ab3d90b5635643de7b9e4001c526f7d5068740f2989d48e9570a51b3eb9"`
[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 0.83s
[INFO] running `"docker" "inspect" "88dd6ab3d90b5635643de7b9e4001c526f7d5068740f2989d48e9570a51b3eb9"`
[INFO] running `"docker" "rm" "-f" "88dd6ab3d90b5635643de7b9e4001c526f7d5068740f2989d48e9570a51b3eb9"`
[INFO] [stdout] 88dd6ab3d90b5635643de7b9e4001c526f7d5068740f2989d48e9570a51b3eb9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 324ba8cd77e597bacb853726e4bf2b9186bfad9b32ee7991ee88f1318a1186c9
[INFO] running `"docker" "start" "-a" "324ba8cd77e597bacb853726e4bf2b9186bfad9b32ee7991ee88f1318a1186c9"`
[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 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: 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: 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: 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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-53a129db34270eb4
[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]      Running /opt/rustwide/target/debug/deps/euler-83dde399bb56be2b
[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
[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" "324ba8cd77e597bacb853726e4bf2b9186bfad9b32ee7991ee88f1318a1186c9"`
[INFO] running `"docker" "rm" "-f" "324ba8cd77e597bacb853726e4bf2b9186bfad9b32ee7991ee88f1318a1186c9"`
[INFO] [stdout] 324ba8cd77e597bacb853726e4bf2b9186bfad9b32ee7991ee88f1318a1186c9