[INFO] crate robin-derives 0.3.0 is already in cache
[INFO] testing robin-derives-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate robin-derives 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate robin-derives 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate robin-derives 0.3.0
[INFO] finished tweaking crates.io crate robin-derives 0.3.0
[INFO] tweaked toml for crates.io crate robin-derives 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3fa6e30471bab61031d86932eaafe107ff34d7d1441877fda2e19df68d9e6824
[INFO] running `"docker" "start" "-a" "3fa6e30471bab61031d86932eaafe107ff34d7d1441877fda2e19df68d9e6824"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling robin-derives v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `underscore`
[INFO] [stderr]    --> src/jobs.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn underscore(s: &str) -> String {
[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 10.99s
[INFO] running `"docker" "inspect" "3fa6e30471bab61031d86932eaafe107ff34d7d1441877fda2e19df68d9e6824"`
[INFO] running `"docker" "rm" "-f" "3fa6e30471bab61031d86932eaafe107ff34d7d1441877fda2e19df68d9e6824"`
[INFO] [stdout] 3fa6e30471bab61031d86932eaafe107ff34d7d1441877fda2e19df68d9e6824
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1b7f701cc99a1f416d543ef4014b53dca33aaff27d71c698d5269b1cd694d1cb
[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" "1b7f701cc99a1f416d543ef4014b53dca33aaff27d71c698d5269b1cd694d1cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling robin-derives v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `underscore`
[INFO] [stderr]    --> src/jobs.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn underscore(s: &str) -> String {
[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 1.02s
[INFO] running `"docker" "inspect" "1b7f701cc99a1f416d543ef4014b53dca33aaff27d71c698d5269b1cd694d1cb"`
[INFO] running `"docker" "rm" "-f" "1b7f701cc99a1f416d543ef4014b53dca33aaff27d71c698d5269b1cd694d1cb"`
[INFO] [stdout] 1b7f701cc99a1f416d543ef4014b53dca33aaff27d71c698d5269b1cd694d1cb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] be2b58d1fca8f0564825277ccdd3d2bd1bf52055d265e86159eec508d46a3784
[INFO] running `"docker" "start" "-a" "be2b58d1fca8f0564825277ccdd3d2bd1bf52055d265e86159eec508d46a3784"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: function is never used: `underscore`
[INFO] [stderr]    --> src/jobs.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn underscore(s: &str) -> String {
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/robin_derives-6aa2724aeae11a49
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test jobs::tests::test_underscore ... ok
[INFO] [stderr]    Doc-tests robin-derives
[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" "be2b58d1fca8f0564825277ccdd3d2bd1bf52055d265e86159eec508d46a3784"`
[INFO] running `"docker" "rm" "-f" "be2b58d1fca8f0564825277ccdd3d2bd1bf52055d265e86159eec508d46a3784"`
[INFO] [stdout] be2b58d1fca8f0564825277ccdd3d2bd1bf52055d265e86159eec508d46a3784