[INFO] updating cached repository https://github.com/scottcarr/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] 7083f8cb3e98037c7cd5356c55503e6daaae266f
[INFO] testing scottcarr/euler against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottcarr%2Feuler" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottcarr/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/scottcarr/euler
[INFO] finished tweaking git repo https://github.com/scottcarr/euler
[INFO] tweaked toml for git repo https://github.com/scottcarr/euler written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/scottcarr/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1e7da5d044fb247301e045bddd68ba8e2375a38a79fbf487df639c52ec6638ce
[INFO] running `"docker" "start" "-a" "1e7da5d044fb247301e045bddd68ba8e2375a38a79fbf487df639c52ec6638ce"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/main.rs:588:8
[INFO] [stderr]     |
[INFO] [stderr] 588 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "1e7da5d044fb247301e045bddd68ba8e2375a38a79fbf487df639c52ec6638ce"`
[INFO] running `"docker" "rm" "-f" "1e7da5d044fb247301e045bddd68ba8e2375a38a79fbf487df639c52ec6638ce"`
[INFO] [stdout] 1e7da5d044fb247301e045bddd68ba8e2375a38a79fbf487df639c52ec6638ce
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 52130b0e6476da3cde4ac4f8e5ca918f923b17162b8e675dc58996a9268ba380
[INFO] running `"docker" "start" "-a" "52130b0e6476da3cde4ac4f8e5ca918f923b17162b8e675dc58996a9268ba380"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/main.rs:588:8
[INFO] [stderr]     |
[INFO] [stderr] 588 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "52130b0e6476da3cde4ac4f8e5ca918f923b17162b8e675dc58996a9268ba380"`
[INFO] running `"docker" "rm" "-f" "52130b0e6476da3cde4ac4f8e5ca918f923b17162b8e675dc58996a9268ba380"`
[INFO] [stdout] 52130b0e6476da3cde4ac4f8e5ca918f923b17162b8e675dc58996a9268ba380
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 5934b7bf311b79ef89b71ec51ece32668b5690356b8cbbc64abdcf6c3ff3f237
[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" "5934b7bf311b79ef89b71ec51ece32668b5690356b8cbbc64abdcf6c3ff3f237"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/main.rs:588:8
[INFO] [stderr]     |
[INFO] [stderr] 588 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-36e8ed5e11408bbf
[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" "5934b7bf311b79ef89b71ec51ece32668b5690356b8cbbc64abdcf6c3ff3f237"`
[INFO] running `"docker" "rm" "-f" "5934b7bf311b79ef89b71ec51ece32668b5690356b8cbbc64abdcf6c3ff3f237"`
[INFO] [stdout] 5934b7bf311b79ef89b71ec51ece32668b5690356b8cbbc64abdcf6c3ff3f237