[INFO] cloning repository https://github.com/MilesConn/robust_shared_mutex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MilesConn/robust_shared_mutex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesConn%2Frobust_shared_mutex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesConn%2Frobust_shared_mutex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1ea358b8c27660398aa83b21a508eaac17572fd
[INFO] checking MilesConn/robust_shared_mutex against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesConn%2Frobust_shared_mutex" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MilesConn/robust_shared_mutex
[INFO] finished tweaking git repo https://github.com/MilesConn/robust_shared_mutex
[INFO] tweaked toml for git repo https://github.com/MilesConn/robust_shared_mutex written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MilesConn/robust_shared_mutex on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MilesConn/robust_shared_mutex 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" "+011c518242557d21690f7936b5812318dc2fec47" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v1.0.1
[INFO] [stderr]   Downloaded bitflags v2.9.1
[INFO] [stderr]   Downloaded memmap2 v0.9.7
[INFO] [stderr]   Downloaded anyhow v1.0.98
[INFO] [stderr]   Downloaded nix v0.30.1
[INFO] [stderr]   Downloaded libc v0.2.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184
[INFO] running `Command { std: "docker" "start" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184", 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" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184", 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" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking memmap2 v0.9.7
[INFO] [stderr]     Checking shared_mutex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `lock_timeout`, `try_lock`, and `is_locked_by_me` are never used
[INFO] [stdout]   --> src/mutex.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PiMutex {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn lock_timeout(&self, d: Duration) -> io::Result<PiMutexGuard<'_>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn try_lock(&self) -> io::Result<Option<PiMutexGuard<'_>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_locked_by_me(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RobustList` is never constructed
[INFO] [stdout]  --> src/robust_list.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RobustList {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RobustListHead` is never constructed
[INFO] [stdout]   --> src/robust_list.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RobustListHead {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `head_value` is never used
[INFO] [stdout]   --> src/robust_list.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl RobustListHead {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn head_value(&self) -> *mut RobustList {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `lock_timeout`, `try_lock`, and `is_locked_by_me` are never used
[INFO] [stdout]   --> src/mutex.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PiMutex {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn lock_timeout(&self, d: Duration) -> io::Result<PiMutexGuard<'_>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn try_lock(&self) -> io::Result<Option<PiMutexGuard<'_>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn is_locked_by_me(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RobustList` is never constructed
[INFO] [stdout]  --> src/robust_list.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RobustList {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RobustListHead` is never constructed
[INFO] [stdout]   --> src/robust_list.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RobustListHead {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `head_value` is never used
[INFO] [stdout]   --> src/robust_list.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl RobustListHead {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn head_value(&self) -> *mut RobustList {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184", kill_on_drop: false }`
[INFO] [stdout] 5379135a201ed69e6b45898b45480fe818e103501632d47966caf3ded694c184
