[INFO] updating cached repository https://github.com/halfzebra/rust-smart-pointers-examples
[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] d0f57ba42e7466e89ac79f06a9ce5a0f97765967
[INFO] testing halfzebra/rust-smart-pointers-examples against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalfzebra%2Frust-smart-pointers-examples" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/halfzebra/rust-smart-pointers-examples on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/halfzebra/rust-smart-pointers-examples
[INFO] finished tweaking git repo https://github.com/halfzebra/rust-smart-pointers-examples
[INFO] tweaked toml for git repo https://github.com/halfzebra/rust-smart-pointers-examples written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/halfzebra/rust-smart-pointers-examples already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 40ab0ce40c942c377aaf48d7ca6f8e4f1e0e5b1b84663e5774b5a1d35d33aea3
[INFO] running `"docker" "start" "-a" "40ab0ce40c942c377aaf48d7ca6f8e4f1e0e5b1b84663e5774b5a1d35d33aea3"`
[INFO] [stderr]    Compiling rust-smart-pointers-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/limit_tracker.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]   --> src/limit_tracker.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set_value(&mut self, value: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "40ab0ce40c942c377aaf48d7ca6f8e4f1e0e5b1b84663e5774b5a1d35d33aea3"`
[INFO] running `"docker" "rm" "-f" "40ab0ce40c942c377aaf48d7ca6f8e4f1e0e5b1b84663e5774b5a1d35d33aea3"`
[INFO] [stdout] 40ab0ce40c942c377aaf48d7ca6f8e4f1e0e5b1b84663e5774b5a1d35d33aea3
[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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 627840747b02f15949e77bbda775e0d5da4e552886f186e400749674091d812c
[INFO] running `"docker" "start" "-a" "627840747b02f15949e77bbda775e0d5da4e552886f186e400749674091d812c"`
[INFO] [stderr]    Compiling rust-smart-pointers-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/limit_tracker.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]   --> src/limit_tracker.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set_value(&mut self, value: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "627840747b02f15949e77bbda775e0d5da4e552886f186e400749674091d812c"`
[INFO] running `"docker" "rm" "-f" "627840747b02f15949e77bbda775e0d5da4e552886f186e400749674091d812c"`
[INFO] [stdout] 627840747b02f15949e77bbda775e0d5da4e552886f186e400749674091d812c
[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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] b031400716ae4832e7c382ec1b518824be3b3e98be7914b1ae84b6c97ff4b1ac
[INFO] running `"docker" "start" "-a" "b031400716ae4832e7c382ec1b518824be3b3e98be7914b1ae84b6c97ff4b1ac"`
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/limit_tracker.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]   --> src/limit_tracker.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn set_value(&mut self, value: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_smart_pointers_examples-72d118dd2d2e5683
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test limit_tracker::tests::name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_smart_pointers_examples-8d1d3513348e6348
[INFO] [stderr]    Doc-tests rust-smart-pointers-examples
[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] [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" "b031400716ae4832e7c382ec1b518824be3b3e98be7914b1ae84b6c97ff4b1ac"`
[INFO] running `"docker" "rm" "-f" "b031400716ae4832e7c382ec1b518824be3b3e98be7914b1ae84b6c97ff4b1ac"`
[INFO] [stdout] b031400716ae4832e7c382ec1b518824be3b3e98be7914b1ae84b6c97ff4b1ac