[INFO] fetching crate contiguous-mem 0.4.2...
[INFO] testing contiguous-mem-0.4.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate contiguous-mem 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate contiguous-mem 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate contiguous-mem 0.4.2
[INFO] tweaked toml for crates.io crate contiguous-mem 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate contiguous-mem 0.4.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate contiguous-mem 0.4.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ea5558509c73fb948eb0593e206e09ef69453cb06546587075c20571b25e23
[INFO] running `Command { std: "docker" "start" "-a" "53ea5558509c73fb948eb0593e206e09ef69453cb06546587075c20571b25e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ea5558509c73fb948eb0593e206e09ef69453cb06546587075c20571b25e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ea5558509c73fb948eb0593e206e09ef69453cb06546587075c20571b25e23", kill_on_drop: false }`
[INFO] [stdout] 53ea5558509c73fb948eb0593e206e09ef69453cb06546587075c20571b25e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f916027a858c74fc970642aeceeeb4fb5a9fa9389651dde9ed2f5520fb359a42
[INFO] running `Command { std: "docker" "start" "-a" "f916027a858c74fc970642aeceeeb4fb5a9fa9389651dde9ed2f5520fb359a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling contiguous-mem v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `try_lock_named` is never used
[INFO] [stdout]   --> src/types.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub(crate) trait MutexTypesafe<T: ?Sized> {
[INFO] [stdout]    |                  ------------- method in this trait
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout] 43 |     fn try_lock_named(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 45 |         source: LockSource,
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 58 |         source: LockSource,
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f916027a858c74fc970642aeceeeb4fb5a9fa9389651dde9ed2f5520fb359a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f916027a858c74fc970642aeceeeb4fb5a9fa9389651dde9ed2f5520fb359a42", kill_on_drop: false }`
[INFO] [stdout] f916027a858c74fc970642aeceeeb4fb5a9fa9389651dde9ed2f5520fb359a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423e4e39044ed85ef1611e5e88ec87f340a065f762fe45fbc0fb7482af49320d
[INFO] running `Command { std: "docker" "start" "-a" "423e4e39044ed85ef1611e5e88ec87f340a065f762fe45fbc0fb7482af49320d", kill_on_drop: false }`
[INFO] [stderr]    Compiling contiguous-mem v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `try_lock_named` is never used
[INFO] [stdout]   --> src/types.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub(crate) trait MutexTypesafe<T: ?Sized> {
[INFO] [stdout]    |                  ------------- method in this trait
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout] 43 |     fn try_lock_named(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 45 |         source: LockSource,
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 58 |         source: LockSource,
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_lock_named` is never used
[INFO] [stdout]   --> src/types.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub(crate) trait MutexTypesafe<T: ?Sized> {
[INFO] [stdout]    |                  ------------- method in this trait
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout] 43 |     fn try_lock_named(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 45 |         source: LockSource,
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 58 |         source: LockSource,
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stdout]    |                 ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stdout]    |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stdout]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "423e4e39044ed85ef1611e5e88ec87f340a065f762fe45fbc0fb7482af49320d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423e4e39044ed85ef1611e5e88ec87f340a065f762fe45fbc0fb7482af49320d", kill_on_drop: false }`
[INFO] [stdout] 423e4e39044ed85ef1611e5e88ec87f340a065f762fe45fbc0fb7482af49320d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ddacc591f807a25a2a64ea863adaa6945e47dbaaecbb8c0c68f24629cb3e035
[INFO] running `Command { std: "docker" "start" "-a" "4ddacc591f807a25a2a64ea863adaa6945e47dbaaecbb8c0c68f24629cb3e035", kill_on_drop: false }`
[INFO] [stderr] warning: method `try_lock_named` is never used
[INFO] [stderr]   --> src/types.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub(crate) trait MutexTypesafe<T: ?Sized> {
[INFO] [stderr]    |                  ------------- method in this trait
[INFO] [stderr] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stderr] 43 |     fn try_lock_named(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stderr]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stderr]    |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 45 |         source: LockSource,
[INFO] [stderr] 46 |     ) -> Result<MutexGuard<T>, crate::error::LockingError>;
[INFO] [stderr]    |                 ------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError>;
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stderr]    |                   ^^^^^ the lifetime is elided here    ------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn lock_named(&self, source: LockSource) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stderr]    |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 58 |         source: LockSource,
[INFO] [stderr] 59 |     ) -> Result<MutexGuard<T>, crate::error::LockingError> {
[INFO] [stderr]    |                 ------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 59 |     ) -> Result<MutexGuard<'_, T>, crate::error::LockingError> {
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stderr]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stderr]    |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError>;
[INFO] [stderr]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError>;
[INFO] [stderr]    |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stderr]    |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stderr]    |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError>;
[INFO] [stderr]    |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError>;
[INFO] [stderr]    |                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:91:19
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stderr]    |                   ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stderr]    |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<T>, LockingError> {
[INFO] [stderr]    |                       ^^^^^ the lifetime is elided here    ------------------ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn try_read_named(&self, source: LockSource) -> Result<RwLockReadGuard<'_, T>, LockingError> {
[INFO] [stderr]    |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/types.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stderr]     |                    ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/types.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<T>, LockingError> {
[INFO] [stderr]     |                        ^^^^^ the lifetime is elided here    ------------------- the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn try_write_named(&self, source: LockSource) -> Result<RwLockWriteGuard<'_, T>, LockingError> {
[INFO] [stderr]     |                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `contiguous-mem` (lib) generated 13 warnings
[INFO] [stderr] warning: `contiguous-mem` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/contiguous_mem-9eb8798532475d67)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::resize_automatically ... ok
[INFO] [stdout] test test::resize_manually ... ok
[INFO] [stdout] test test::store_and_get ... ok
[INFO] [stdout] test tracker::tests::test_new_allocation_tracker ... ok
[INFO] [stdout] test range::test::byterange_merging_works ... ok
[INFO] [stdout] test tracker::tests::test_resize_allocation_tracker ... ok
[INFO] [stdout] test tracker::tests::test_peek_next_allocation_tracker ... ok
[INFO] [stdout] test tracker::tests::test_take_and_release_allocation_tracker ... ok
[INFO] [stdout] test range::test::byterange_difference_works ... ok
[INFO] [stdout] test tracker::tests::test_take_next_allocation_tracker ... ok
[INFO] [stdout] test test::add_to_zero_sized ... ok
[INFO] [stdout] test test::construct_contiguous_memory ... ok
[INFO] [stderr]    Doc-tests contiguous_mem
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(doc, feature(doc_auto_cfg))]
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --color auto --crate-name contiguous_mem --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-c603fb49e2ea8ab6.rlib --extern contiguous_mem=/opt/rustwide/target/debug/deps/libcontiguous_mem-9b086a0b4a71c3db.rlib -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug", "default", "error_in_core", "no_std", "ptr_metadata"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "4ddacc591f807a25a2a64ea863adaa6945e47dbaaecbb8c0c68f24629cb3e035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddacc591f807a25a2a64ea863adaa6945e47dbaaecbb8c0c68f24629cb3e035", kill_on_drop: false }`
[INFO] [stdout] 4ddacc591f807a25a2a64ea863adaa6945e47dbaaecbb8c0c68f24629cb3e035
