[INFO] fetching crate rs-cache 0.2.5... [INFO] checking rs-cache-0.2.5 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] extracting crate rs-cache 0.2.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rs-cache 0.2.5 on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs-cache 0.2.5 [INFO] finished tweaking crates.io crate rs-cache 0.2.5 [INFO] tweaked toml for crates.io crate rs-cache 0.2.5 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate rs-cache 0.2.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1bd9c885381115e4948be29c8cb2726ab6a6db97fe01d7b22d62e4bc2222404 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a1bd9c885381115e4948be29c8cb2726ab6a6db97fe01d7b22d62e4bc2222404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1bd9c885381115e4948be29c8cb2726ab6a6db97fe01d7b22d62e4bc2222404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1bd9c885381115e4948be29c8cb2726ab6a6db97fe01d7b22d62e4bc2222404", kill_on_drop: false }` [INFO] [stdout] a1bd9c885381115e4948be29c8cb2726ab6a6db97fe01d7b22d62e4bc2222404 [INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f0dc722045de0d0253268217bff438626c9412737e471af9b25a30f3218dfe2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6f0dc722045de0d0253268217bff438626c9412737e471af9b25a30f3218dfe2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling bzip2-sys v0.1.8+1.0.8 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking rs-cache v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `hash` [INFO] [stdout] --> tests/common.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn hash(buffer: &[u8]) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `load_items` [INFO] [stdout] --> tests/common.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn load_items(cache: &Cache) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `load_items` [INFO] [stdout] --> tests/common.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn load_items(cache: &Cache) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `Command { std: "docker" "inspect" "6f0dc722045de0d0253268217bff438626c9412737e471af9b25a30f3218dfe2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f0dc722045de0d0253268217bff438626c9412737e471af9b25a30f3218dfe2", kill_on_drop: false }` [INFO] [stdout] 6f0dc722045de0d0253268217bff438626c9412737e471af9b25a30f3218dfe2