[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 try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotechite%2Frust-snappy-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/totechite/rust-snappy-example on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/totechite/rust-snappy-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815
[INFO] running `Command { std: "docker" "start" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice_rust_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/bind_snappy.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn compress(src: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uncompress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn uncompress(src: &[u8]) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_compressed_buffer` is never used
[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 `snappy_compress` is never used
[INFO] [stdout]  --> src/bind_snappy.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn snappy_compress(input: *const u8,
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn snappy_uncompress(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompressed_length` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn snappy_uncompressed_length(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_validate_compressed_buffer` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn snappy_validate_compressed_buffer(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/bind_snappy.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn compress(src: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uncompress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn uncompress(src: &[u8]) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_compressed_buffer` is never used
[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 `snappy_compress` is never used
[INFO] [stdout]  --> src/bind_snappy.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn snappy_compress(input: *const u8,
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompress` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn snappy_uncompress(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_uncompressed_length` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn snappy_uncompressed_length(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snappy_validate_compressed_buffer` is never used
[INFO] [stdout]   --> src/bind_snappy.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn snappy_validate_compressed_buffer(compressed: *const u8,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815", kill_on_drop: false }`
[INFO] [stdout] bc8a79b1e2121e83bd2ebac82190b48a175e955d2c4461e22ccea02cf6720815
