[INFO] cloning repository https://github.com/ruggeri/nedbase [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruggeri/nedbase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fnedbase"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fnedbase'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 200c54492c2116c973e500649793241772e1cdfa [INFO] testing ruggeri/nedbase against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fnedbase" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruggeri/nedbase 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/ruggeri/nedbase [INFO] finished tweaking git repo https://github.com/ruggeri/nedbase [INFO] tweaked toml for git repo https://github.com/ruggeri/nedbase written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ruggeri/nedbase 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a351c339d2aec7341cec67345a919b6883055a93b2a0ecc2aeaafa8fb34a79c1 [INFO] running `"docker" "start" "-a" "a351c339d2aec7341cec67345a919b6883055a93b2a0ecc2aeaafa8fb34a79c1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling smallvec v0.6.6 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling nedbase v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/descend_toward_key.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut last_entry = insert_path.last_mut().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/insert.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut split_info = match insertion_result { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.79s [INFO] running `"docker" "inspect" "a351c339d2aec7341cec67345a919b6883055a93b2a0ecc2aeaafa8fb34a79c1"` [INFO] running `"docker" "rm" "-f" "a351c339d2aec7341cec67345a919b6883055a93b2a0ecc2aeaafa8fb34a79c1"` [INFO] [stdout] a351c339d2aec7341cec67345a919b6883055a93b2a0ecc2aeaafa8fb34a79c1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] ac444006bc074f9aeb385d7c154c00957c27e8a28f6b5d889414ad73eecd4a28 [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" "ac444006bc074f9aeb385d7c154c00957c27e8a28f6b5d889414ad73eecd4a28"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nedbase v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/descend_toward_key.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut last_entry = insert_path.last_mut().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/insert.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut split_info = match insertion_result { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/descend_toward_key.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut last_entry = insert_path.last_mut().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/insert.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut split_info = match insertion_result { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "ac444006bc074f9aeb385d7c154c00957c27e8a28f6b5d889414ad73eecd4a28"` [INFO] running `"docker" "rm" "-f" "ac444006bc074f9aeb385d7c154c00957c27e8a28f6b5d889414ad73eecd4a28"` [INFO] [stdout] ac444006bc074f9aeb385d7c154c00957c27e8a28f6b5d889414ad73eecd4a28 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 515fc5f0736940cae20867b1e4827dd2acb39f4ea90b397d73b115b67527d6fd [INFO] running `"docker" "start" "-a" "515fc5f0736940cae20867b1e4827dd2acb39f4ea90b397d73b115b67527d6fd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/descend_toward_key.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut last_entry = insert_path.last_mut().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/insert.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut split_info = match insertion_result { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/descend_toward_key.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut last_entry = insert_path.last_mut().unwrap(); [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: variable does not need to be mutable [INFO] [stderr] --> src/btree/insertion/insert.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut split_info = match insertion_result { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nedbase-58ef3008efc1ee8d [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] [stderr] Running /opt/rustwide/target/debug/deps/main-bd2c000326e69fb6 [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] [stderr] Doc-tests nedbase [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" "515fc5f0736940cae20867b1e4827dd2acb39f4ea90b397d73b115b67527d6fd"` [INFO] running `"docker" "rm" "-f" "515fc5f0736940cae20867b1e4827dd2acb39f4ea90b397d73b115b67527d6fd"` [INFO] [stdout] 515fc5f0736940cae20867b1e4827dd2acb39f4ea90b397d73b115b67527d6fd