[INFO] crate checkmail-rs 0.0.1 is already in cache
[INFO] testing checkmail-rs-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate checkmail-rs 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate checkmail-rs 0.0.1 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 crates.io crate checkmail-rs 0.0.1
[INFO] finished tweaking crates.io crate checkmail-rs 0.0.1
[INFO] tweaked toml for crates.io crate checkmail-rs 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 7869e1f0c793928c9d87d0aec6266ef249ed5e24a3adedf47e68f08c3af2267b
[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" "7869e1f0c793928c9d87d0aec6266ef249ed5e24a3adedf47e68f08c3af2267b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling checkmail-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "7869e1f0c793928c9d87d0aec6266ef249ed5e24a3adedf47e68f08c3af2267b"`
[INFO] running `"docker" "rm" "-f" "7869e1f0c793928c9d87d0aec6266ef249ed5e24a3adedf47e68f08c3af2267b"`
[INFO] [stdout] 7869e1f0c793928c9d87d0aec6266ef249ed5e24a3adedf47e68f08c3af2267b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 96519391db4f9fc7bfc37a77ef8e0ef5d0746fe0d1c8c557d133bae02608929a
[INFO] running `"docker" "start" "-a" "96519391db4f9fc7bfc37a77ef8e0ef5d0746fe0d1c8c557d133bae02608929a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling checkmail-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `account`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         account: bool,
[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 1.82s
[INFO] running `"docker" "inspect" "96519391db4f9fc7bfc37a77ef8e0ef5d0746fe0d1c8c557d133bae02608929a"`
[INFO] running `"docker" "rm" "-f" "96519391db4f9fc7bfc37a77ef8e0ef5d0746fe0d1c8c557d133bae02608929a"`
[INFO] [stdout] 96519391db4f9fc7bfc37a77ef8e0ef5d0746fe0d1c8c557d133bae02608929a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b9cc0f7916d57e75419b69726c5037a298d4febc63309b78875840ac6a84efbc
[INFO] running `"docker" "start" "-a" "b9cc0f7916d57e75419b69726c5037a298d4febc63309b78875840ac6a84efbc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `account`
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         account: bool,
[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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checkmail_rs-5aa6cd8eeea762a3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_validate_format ... ok
[INFO] [stderr]    Doc-tests checkmail-rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "b9cc0f7916d57e75419b69726c5037a298d4febc63309b78875840ac6a84efbc"`
[INFO] running `"docker" "rm" "-f" "b9cc0f7916d57e75419b69726c5037a298d4febc63309b78875840ac6a84efbc"`
[INFO] [stdout] b9cc0f7916d57e75419b69726c5037a298d4febc63309b78875840ac6a84efbc