[INFO] crate soak 0.2.0 is already in cache [INFO] checking soak-0.2.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644 [INFO] extracting crate soak 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate soak 0.2.0 on toolchain 1a399c10897767c36d147199696c96f193034e49 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate soak 0.2.0 [INFO] finished tweaking crates.io crate soak 0.2.0 [INFO] tweaked toml for crates.io crate soak 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1a399c10897767c36d147199696c96f193034e49" "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] 00176d818b757e6bfa26147f40c88f94d483e63f407933c9cad12ad65477a87a [INFO] running `"docker" "start" "-a" "00176d818b757e6bfa26147f40c88f94d483e63f407933c9cad12ad65477a87a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling syn v1.0.29 [INFO] [stderr] Compiling dioptre-derive v0.1.0 [INFO] [stderr] Compiling soak-derive v0.2.0 [INFO] [stderr] Checking dioptre v0.1.0 [INFO] [stderr] Checking soak v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | mem::replace(self, table); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | mem::replace(self, table); [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.48s [INFO] running `"docker" "inspect" "00176d818b757e6bfa26147f40c88f94d483e63f407933c9cad12ad65477a87a"` [INFO] running `"docker" "rm" "-f" "00176d818b757e6bfa26147f40c88f94d483e63f407933c9cad12ad65477a87a"` [INFO] [stdout] 00176d818b757e6bfa26147f40c88f94d483e63f407933c9cad12ad65477a87a