[INFO] crate triez 0.1.0 is already in cache [INFO] checking triez-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] extracting crate triez 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate triez 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate triez 0.1.0 [INFO] finished tweaking crates.io crate triez 0.1.0 [INFO] tweaked toml for crates.io crate triez 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aae48a3af8c27e46bbeeb6ebf5fc44220d530b12d7521879842a2390411f7343 [INFO] running `"docker" "start" "-a" "aae48a3af8c27e46bbeeb6ebf5fc44220d530b12d7521879842a2390411f7343"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking triez v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/radix_tree.rs:94:25 [INFO] [stderr] | [INFO] [stderr] 94 | mem::replace(current, new); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/radix_tree.rs:136:45 [INFO] [stderr] | [INFO] [stderr] 136 | ... mem::replace(child, Box::new(new_node)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/radix_tree.rs:94:25 [INFO] [stderr] | [INFO] [stderr] 94 | mem::replace(current, new); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/radix_tree.rs:136:45 [INFO] [stderr] | [INFO] [stderr] 136 | ... mem::replace(child, Box::new(new_node)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "aae48a3af8c27e46bbeeb6ebf5fc44220d530b12d7521879842a2390411f7343"` [INFO] running `"docker" "rm" "-f" "aae48a3af8c27e46bbeeb6ebf5fc44220d530b12d7521879842a2390411f7343"` [INFO] [stdout] aae48a3af8c27e46bbeeb6ebf5fc44220d530b12d7521879842a2390411f7343