[INFO] cloning repository https://github.com/robertohuertasm/rust-a-gentle-introduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertohuertasm/rust-a-gentle-introduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-a-gentle-introduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-a-gentle-introduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e36dbf2139c284f68e110fefd1edc88dec8e3ab [INFO] checking robertohuertasm/rust-a-gentle-introduction against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-a-gentle-introduction" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robertohuertasm/rust-a-gentle-introduction on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robertohuertasm/rust-a-gentle-introduction [INFO] finished tweaking git repo https://github.com/robertohuertasm/rust-a-gentle-introduction [INFO] tweaked toml for git repo https://github.com/robertohuertasm/rust-a-gentle-introduction written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/robertohuertasm/rust-a-gentle-introduction already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] df6a7fda18f3d82772e9a7f40308297c9d636f9067ded6a45fade4560e26885b [INFO] running `Command { std: "docker" "start" "-a" "df6a7fda18f3d82772e9a7f40308297c9d636f9067ded6a45fade4560e26885b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df6a7fda18f3d82772e9a7f40308297c9d636f9067ded6a45fade4560e26885b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6a7fda18f3d82772e9a7f40308297c9d636f9067ded6a45fade4560e26885b", kill_on_drop: false }` [INFO] [stdout] df6a7fda18f3d82772e9a7f40308297c9d636f9067ded6a45fade4560e26885b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c64c9256e7d1215716985b5e6eea92069fd453bcc097b9b7ad16dc5744c12893 [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" "c64c9256e7d1215716985b5e6eea92069fd453bcc097b9b7ad16dc5744c12893", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking gentle_intro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/other_things.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | pub extern "C" fn fast_blank(text: &str) -> bool { [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using `*const u8` and a length instead [INFO] [stdout] = note: string slices have no C equivalent [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/other_things.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | pub extern "C" fn fast_blank(text: &str) -> bool { [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using `*const u8` and a length instead [INFO] [stdout] = note: string slices have no C equivalent [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 6.74s [INFO] running `Command { std: "docker" "inspect" "c64c9256e7d1215716985b5e6eea92069fd453bcc097b9b7ad16dc5744c12893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64c9256e7d1215716985b5e6eea92069fd453bcc097b9b7ad16dc5744c12893", kill_on_drop: false }` [INFO] [stdout] c64c9256e7d1215716985b5e6eea92069fd453bcc097b9b7ad16dc5744c12893