[INFO] updating cached repository https://github.com/dewaka/chainmap [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] 9387f660b4bf73ef1ee5bb806f0b9c1effaa7306 [INFO] testing dewaka/chainmap against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Fchainmap" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dewaka/chainmap 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/dewaka/chainmap [INFO] finished tweaking git repo https://github.com/dewaka/chainmap [INFO] tweaked toml for git repo https://github.com/dewaka/chainmap written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/dewaka/chainmap 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-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" "+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] 4a3f6d565dd55baa20e6f4adea33e345b90697d340c512c24faaa70eb0a80f51 [INFO] running `"docker" "start" "-a" "4a3f6d565dd55baa20e6f4adea33e345b90697d340c512c24faaa70eb0a80f51"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling chainmap v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/example.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut clothing = HashMap::new(); [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: associated function is never used: `insert` [INFO] [stderr] --> src/lib.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn insert(&mut self, k: K, v: V) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/lib.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty` [INFO] [stderr] --> src/lib.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn empty() -> Self { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_map` [INFO] [stderr] --> src/lib.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn add_map(&mut self, m: ChainMapType) -> &mut Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_map` [INFO] [stderr] --> src/lib.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn to_map(&self) -> ChainMapType { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `parents` [INFO] [stderr] --> src/lib.rs:78:12 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn parents(&self) -> Option { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `children` [INFO] [stderr] --> src/lib.rs:89:12 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn children(&self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `"docker" "inspect" "4a3f6d565dd55baa20e6f4adea33e345b90697d340c512c24faaa70eb0a80f51"` [INFO] running `"docker" "rm" "-f" "4a3f6d565dd55baa20e6f4adea33e345b90697d340c512c24faaa70eb0a80f51"` [INFO] [stdout] 4a3f6d565dd55baa20e6f4adea33e345b90697d340c512c24faaa70eb0a80f51 [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" "+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] c4385735abf02ffc825d265eead31d59ae581d8618086951cf9401994142ec66 [INFO] running `"docker" "start" "-a" "c4385735abf02ffc825d265eead31d59ae581d8618086951cf9401994142ec66"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling chainmap v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/example.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut clothing = HashMap::new(); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `"docker" "inspect" "c4385735abf02ffc825d265eead31d59ae581d8618086951cf9401994142ec66"` [INFO] running `"docker" "rm" "-f" "c4385735abf02ffc825d265eead31d59ae581d8618086951cf9401994142ec66"` [INFO] [stdout] c4385735abf02ffc825d265eead31d59ae581d8618086951cf9401994142ec66 [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" "+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] 2a83e38298463d8b30ae59b5f8ae4c22ce00af4059bbfb210c5e6ab3bac99ff9 [INFO] running `"docker" "start" "-a" "2a83e38298463d8b30ae59b5f8ae4c22ce00af4059bbfb210c5e6ab3bac99ff9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/example.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut clothing = HashMap::new(); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chainmap-a08fa6c73c967f60 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::test_chainmap_empty ... ok [INFO] [stdout] test tests::test_chainmap_to_map ... ok [INFO] [stdout] test tests::test_chainmap_add_map ... ok [INFO] [stdout] test tests::test_chainmap_get ... ok [INFO] [stdout] test tests::test_chainmap_children ... ok [INFO] [stdout] test tests::test_chainmap_insert ... ok [INFO] [stdout] test tests::test_chainmap_parents ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chainmap_example-fcaf6b76d4ef6c73 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test lib::tests::test_chainmap_get ... ok [INFO] [stdout] test lib::tests::test_chainmap_empty ... ok [INFO] [stdout] test lib::tests::test_chainmap_add_map ... ok [INFO] [stdout] test lib::tests::test_chainmap_parents ... ok [INFO] [stdout] test lib::tests::test_chainmap_children ... ok [INFO] [stdout] test lib::tests::test_chainmap_insert ... ok [INFO] [stdout] test lib::tests::test_chainmap_to_map ... ok [INFO] [stderr] Doc-tests chainmap [INFO] [stdout] [INFO] [stdout] test result: ok. 7 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" "2a83e38298463d8b30ae59b5f8ae4c22ce00af4059bbfb210c5e6ab3bac99ff9"` [INFO] running `"docker" "rm" "-f" "2a83e38298463d8b30ae59b5f8ae4c22ce00af4059bbfb210c5e6ab3bac99ff9"` [INFO] [stdout] 2a83e38298463d8b30ae59b5f8ae4c22ce00af4059bbfb210c5e6ab3bac99ff9