[INFO] cloning repository https://github.com/totechite/rust-snappy-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/totechite/rust-snappy-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotechite%2Frust-snappy-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotechite%2Frust-snappy-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70f145567badc99eb6fd67dbfb3765d4fcdcba05 [INFO] checking totechite/rust-snappy-example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotechite%2Frust-snappy-example" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/totechite/rust-snappy-example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/totechite/rust-snappy-example [INFO] finished tweaking git repo https://github.com/totechite/rust-snappy-example [INFO] tweaked toml for git repo https://github.com/totechite/rust-snappy-example written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/totechite/rust-snappy-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e6e391d192badaecbd3a5fd1f0bd5b8f86bbbb6714536db8960ab0ad5f1a525 [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" "5e6e391d192badaecbd3a5fd1f0bd5b8f86bbbb6714536db8960ab0ad5f1a525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e6e391d192badaecbd3a5fd1f0bd5b8f86bbbb6714536db8960ab0ad5f1a525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e6e391d192badaecbd3a5fd1f0bd5b8f86bbbb6714536db8960ab0ad5f1a525", kill_on_drop: false }` [INFO] [stdout] 5e6e391d192badaecbd3a5fd1f0bd5b8f86bbbb6714536db8960ab0ad5f1a525 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d8fa36b3997a29cc3d2909cedea008bf45d723a3a2983383456ac7d90520ffb [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" "5d8fa36b3997a29cc3d2909cedea008bf45d723a3a2983383456ac7d90520ffb", kill_on_drop: false }` [INFO] [stderr] Compiling practice_rust_ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `snappy_compress` [INFO] [stdout] --> src/bind_snappy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / fn snappy_compress(input: *const u8, [INFO] [stdout] 8 | | input_length: size_t, [INFO] [stdout] 9 | | compressed: *mut u8, [INFO] [stdout] 10 | | compressed_length: *mut size_t) -> c_int; [INFO] [stdout] | |________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_uncompress` [INFO] [stdout] --> src/bind_snappy.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / fn snappy_uncompress(compressed: *const u8, [INFO] [stdout] 12 | | compressed_length: size_t, [INFO] [stdout] 13 | | uncompressed: *mut u8, [INFO] [stdout] 14 | | uncompressed_length: *mut size_t) -> c_int; [INFO] [stdout] | |____________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_uncompressed_length` [INFO] [stdout] --> src/bind_snappy.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / fn snappy_uncompressed_length(compressed: *const u8, [INFO] [stdout] 17 | | compressed_length: size_t, [INFO] [stdout] 18 | | result: *mut size_t) -> c_int; [INFO] [stdout] | |________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_validate_compressed_buffer` [INFO] [stdout] --> src/bind_snappy.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / fn snappy_validate_compressed_buffer(compressed: *const u8, [INFO] [stdout] 20 | | compressed_length: size_t) -> c_int; [INFO] [stdout] | |_____________________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compress` [INFO] [stdout] --> src/bind_snappy.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn compress(src: &[u8]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `uncompress` [INFO] [stdout] --> src/bind_snappy.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn uncompress(src: &[u8]) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_compressed_buffer` [INFO] [stdout] --> src/bind_snappy.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn validate_compressed_buffer(src: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_compress` [INFO] [stdout] --> src/bind_snappy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / fn snappy_compress(input: *const u8, [INFO] [stdout] 8 | | input_length: size_t, [INFO] [stdout] 9 | | compressed: *mut u8, [INFO] [stdout] 10 | | compressed_length: *mut size_t) -> c_int; [INFO] [stdout] | |________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_uncompress` [INFO] [stdout] --> src/bind_snappy.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / fn snappy_uncompress(compressed: *const u8, [INFO] [stdout] 12 | | compressed_length: size_t, [INFO] [stdout] 13 | | uncompressed: *mut u8, [INFO] [stdout] 14 | | uncompressed_length: *mut size_t) -> c_int; [INFO] [stdout] | |____________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_uncompressed_length` [INFO] [stdout] --> src/bind_snappy.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / fn snappy_uncompressed_length(compressed: *const u8, [INFO] [stdout] 17 | | compressed_length: size_t, [INFO] [stdout] 18 | | result: *mut size_t) -> c_int; [INFO] [stdout] | |________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `snappy_validate_compressed_buffer` [INFO] [stdout] --> src/bind_snappy.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / fn snappy_validate_compressed_buffer(compressed: *const u8, [INFO] [stdout] 20 | | compressed_length: size_t) -> c_int; [INFO] [stdout] | |_____________________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compress` [INFO] [stdout] --> src/bind_snappy.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn compress(src: &[u8]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `uncompress` [INFO] [stdout] --> src/bind_snappy.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn uncompress(src: &[u8]) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `validate_compressed_buffer` [INFO] [stdout] --> src/bind_snappy.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn validate_compressed_buffer(src: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "5d8fa36b3997a29cc3d2909cedea008bf45d723a3a2983383456ac7d90520ffb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d8fa36b3997a29cc3d2909cedea008bf45d723a3a2983383456ac7d90520ffb", kill_on_drop: false }` [INFO] [stdout] 5d8fa36b3997a29cc3d2909cedea008bf45d723a3a2983383456ac7d90520ffb