[INFO] fetching crate nospin 0.2.4...
[INFO] testing nospin-0.2.4 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-2
[INFO] extracting crate nospin 0.2.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nospin 0.2.4
[INFO] finished tweaking crates.io crate nospin 0.2.4
[INFO] tweaked toml for crates.io crate nospin 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nospin 0.2.4 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nospin 0.2.4 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b703a07f4176f16adf3b15bb7ba92841e02df255130eb81622576bbae2aaff
[INFO] running `Command { std: "docker" "start" "-a" "87b703a07f4176f16adf3b15bb7ba92841e02df255130eb81622576bbae2aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b703a07f4176f16adf3b15bb7ba92841e02df255130eb81622576bbae2aaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b703a07f4176f16adf3b15bb7ba92841e02df255130eb81622576bbae2aaff", kill_on_drop: false }`
[INFO] [stdout] 87b703a07f4176f16adf3b15bb7ba92841e02df255130eb81622576bbae2aaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d6689308dac9913895498509c3f57e224e1276b7262da148f1a309600ad774
[INFO] running `Command { std: "docker" "start" "-a" "c5d6689308dac9913895498509c3f57e224e1276b7262da148f1a309600ad774", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling nospin v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn read(&self) -> RwLockReadGuard<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 286 |     pub fn read(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:309:18
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn write(&self) -> RwLockWriteGuard<T> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided 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] 309 |     pub fn write(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:317:29
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<T> {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<'_, T> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:362:21
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<T>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:450:22
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:470:27
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                           ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided 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] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:476:33
[INFO] [stdout]     |
[INFO] [stdout] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<T>> {
[INFO] [stdout]     |                                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided 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] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<'_, T>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "c5d6689308dac9913895498509c3f57e224e1276b7262da148f1a309600ad774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d6689308dac9913895498509c3f57e224e1276b7262da148f1a309600ad774", kill_on_drop: false }`
[INFO] [stdout] c5d6689308dac9913895498509c3f57e224e1276b7262da148f1a309600ad774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8546f3ab8b27082570aa3b600ad4e1cbc1cce5bcc2e4a1e556b671a21fb8f475
[INFO] running `Command { std: "docker" "start" "-a" "8546f3ab8b27082570aa3b600ad4e1cbc1cce5bcc2e4a1e556b671a21fb8f475", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn read(&self) -> RwLockReadGuard<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 286 |     pub fn read(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:309:18
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn write(&self) -> RwLockWriteGuard<T> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided 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] 309 |     pub fn write(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:317:29
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<T> {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<'_, T> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:362:21
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<T>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:450:22
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:470:27
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                           ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided 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] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:476:33
[INFO] [stdout]     |
[INFO] [stdout] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<T>> {
[INFO] [stdout]     |                                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided 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] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<'_, T>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nospin v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn read(&self) -> RwLockReadGuard<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 286 |     pub fn read(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:309:18
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn write(&self) -> RwLockWriteGuard<T> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided 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] 309 |     pub fn write(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:317:29
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<T> {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<'_, T> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:362:21
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<T>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<'_, T>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:450:22
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided 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] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:470:27
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stdout]     |                           ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided 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] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/rwlock.rs:476:33
[INFO] [stdout]     |
[INFO] [stdout] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<T>> {
[INFO] [stdout]     |                                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided 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] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<'_, T>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "8546f3ab8b27082570aa3b600ad4e1cbc1cce5bcc2e4a1e556b671a21fb8f475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8546f3ab8b27082570aa3b600ad4e1cbc1cce5bcc2e4a1e556b671a21fb8f475", kill_on_drop: false }`
[INFO] [stdout] 8546f3ab8b27082570aa3b600ad4e1cbc1cce5bcc2e4a1e556b671a21fb8f475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34b220ee93d4132d2550a1f87e2445f2d94c65f171a3ca490b716e80603a7a1d
[INFO] running `Command { std: "docker" "start" "-a" "34b220ee93d4132d2550a1f87e2445f2d94c65f171a3ca490b716e80603a7a1d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn read(&self) -> RwLockReadGuard<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided 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] 286 |     pub fn read(&self) -> RwLockReadGuard<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:309:18
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn write(&self) -> RwLockWriteGuard<T> {
[INFO] [stderr]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided 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] 309 |     pub fn write(&self) -> RwLockWriteGuard<'_, T> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:317:29
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<T> {
[INFO] [stderr]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided 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] 317 |     pub fn upgradeable_read(&self) -> RwLockUpgradableGuard<'_, T> {
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:362:21
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<T>> {
[INFO] [stderr]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided 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] 362 |     pub fn try_read(&self) -> Option<RwLockReadGuard<'_, T>> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:450:22
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stderr]     |                      ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided 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] 450 |     pub fn try_write(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:470:27
[INFO] [stderr]     |
[INFO] [stderr] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<T>> {
[INFO] [stderr]     |                           ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided 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] 470 |     pub fn try_write_weak(&self) -> Option<RwLockWriteGuard<'_, T>> {
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/rwlock.rs:476:33
[INFO] [stderr]     |
[INFO] [stderr] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<T>> {
[INFO] [stderr]     |                                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 the lifetime is elided 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] 476 |     pub fn try_upgradeable_read(&self) -> Option<RwLockUpgradableGuard<'_, T>> {
[INFO] [stderr]     |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `nospin` (lib) generated 7 warnings (run `cargo fix --lib -p nospin` to apply 7 suggestions)
[INFO] [stderr] warning: `nospin` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nospin-b7e7750f97f3bee9)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test mutex::tests::lots_and_lots ... ok
[INFO] [stdout] test mutex::tests::test_into_inner ... ok
[INFO] [stdout] test mutex::tests::smoke ... ok
[INFO] [stdout] test mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test mutex::tests::test_mutex_force_lock ... ok
[INFO] [stdout] test mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test mutex::tests::try_lock ... ok
[INFO] [stdout] test once::tests::drop_occurs_and_skip_uninit_drop ... ok
[INFO] [stdout] test once::tests::call_once_test ... ok
[INFO] [stdout] test once::tests::get ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test once::tests::init_constant ... ok
[INFO] [stdout] test once::tests::poll ... ok
[INFO] [stdout] test once::tests::smoke_once ... ok
[INFO] [stdout] test rwlock::tests::smoke ... ok
[INFO] [stdout] test once::tests::smoke_once_value ... ok
[INFO] [stdout] test rwlock::tests::test_force_write_unlock ... ok
[INFO] [stdout] test rwlock::tests::test_into_inner ... ok
[INFO] [stdout] test rwlock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test once::tests::stampede_once ... ok
[INFO] [stdout] test rwlock::tests::test_rw_try_read ... ok
[INFO] [stdout] test rwlock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test rwlock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test rwlock::tests::test_upgrade_downgrade ... ok
[INFO] [stdout] test rwlock::tests::test_force_read_decrement ... ok
[INFO] [stdout] test once::tests::try_call_once_err ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stdout] test once::tests::panic ... ok
[INFO] [stdout] test rwlock::tests::test_rw_access_in_unwind ... ok
[INFO] [stdout] test once::tests::wait ... FAILED
[INFO] [stdout] test once::tests::get_no_wait ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- once::tests::wait stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (43) panicked at src/once.rs:301:14:
[INFO] [stdout] Waited on uninitialized Once, who are you waiting for?
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5949f11a4652 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5949f11a4652 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5949f11a4652 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5949f11a4652 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5949f11b4a7f - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5949f11b4a7f - core::fmt::write::hcd056e06a609f600
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5949f1171371 - std::io::default_write_fmt::hdabc5d6505cb374b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5949f1171371 - std::io::Write::write_fmt::h18c82179fdc1f9d2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5949f117d6e2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5949f118230f - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5949f11821a1 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5949f1142bce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1697e4d80f236ef6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   12:     0x5949f1142bce - test::test_main_with_exit_callback::{{closure}}::h8f63929ca9fd483b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5949f11829cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hba67e0dc3e3fc548
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   14:     0x5949f11829cf - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5949f118282a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5949f117d819 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5949f1165b0d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5949f11bc530 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stdout]   19:     0x5949f11bbafb - core::panicking::panic_display::h17200cf39f6cfff4
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:262:5
[INFO] [stdout]   20:     0x5949f11bbafb - core::option::expect_failed::he48506512977031e
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/option.rs:2178:5
[INFO] [stdout]   21:     0x5949f11098e0 - core::option::Option<T>::expect::h7aec8403f89d18bc
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/option.rs:965:21
[INFO] [stdout]   22:     0x5949f11217b5 - nospin::once::Once<T>::wait::ha80fdd5d0a3e459a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/once.rs:301:14
[INFO] [stdout]   23:     0x5949f11117b0 - nospin::once::tests::wait::{{closure}}::h56a5e14ade9502a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/once.rs:421:30
[INFO] [stdout]   24:     0x5949f1113186 - std::sys::backtrace::__rust_begin_short_backtrace::h5d8fd9180f312b49
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   25:     0x5949f10fd046 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4f4c45205e1aa9c8
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   26:     0x5949f1105641 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha1d01bafa08ff034
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5949f11063d0 - std::panicking::catch_unwind::do_call::ha64694f9893279c7
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5949f10fe00b - __rust_try
[INFO] [stdout]   29:     0x5949f10fc483 - std::panicking::catch_unwind::h369279d5dc4a776b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5949f10fc483 - std::panic::catch_unwind::hab503625bd430a84
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5949f10fc483 - std::thread::Builder::spawn_unchecked_::{{closure}}::hec5f80881abd451a
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   32:     0x5949f1106bbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h712659971c5645e5
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5949f117895f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h55e8930dc7db99a5
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   34:     0x5949f117895f - std::sys::thread::unix::Thread::new::thread_start::he23d038ee4fa004e
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   35:     0x7db530452aa4 - <unknown>
[INFO] [stdout]   36:     0x7db5304dfa34 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'once::tests::wait' (40) panicked at src/once.rs:432:18:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5949f11a4652 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5949f11a4652 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5949f11a4652 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5949f11a4652 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5949f11b4a7f - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5949f11b4a7f - core::fmt::write::hcd056e06a609f600
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5949f1171371 - std::io::default_write_fmt::hdabc5d6505cb374b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5949f1171371 - std::io::Write::write_fmt::h18c82179fdc1f9d2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5949f117d6e2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5949f118230f - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5949f11821a1 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5949f1142bce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1697e4d80f236ef6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   12:     0x5949f1142bce - test::test_main_with_exit_callback::{{closure}}::h8f63929ca9fd483b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5949f11829cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hba67e0dc3e3fc548
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   14:     0x5949f11829cf - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5949f118282a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5949f117d819 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5949f1165b0d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5949f11bc530 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stdout]   19:     0x5949f11bbb96 - core::result::unwrap_failed::h38baee32fdec5ac8
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x5949f1111702 - core::result::Result<T,E>::unwrap::hb0f989119f88fc5a
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x5949f1111702 - nospin::once::tests::wait::ha50dc5916aa47818
[INFO] [stdout]                                at /opt/rustwide/workdir/src/once.rs:432:18
[INFO] [stdout]   22:     0x5949f1111847 - nospin::once::tests::wait::{{closure}}::hf74a52f2e460513a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/once.rs:417:14
[INFO] [stdout]   23:     0x5949f11070a6 - core::ops::function::FnOnce::call_once::h8aa810f980b46fab
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5949f11429ab - core::ops::function::FnOnce::call_once::he420dad47d9aac14
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5949f11429ab - test::__rust_begin_short_backtrace::h51976f55c263f7c2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5949f11585d5 - test::run_test_in_process::{{closure}}::h6aa4339396d33320
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5949f11585d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5bd0ba3863a53529
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5949f11585d5 - std::panicking::catch_unwind::do_call::h5c710722c40c5839
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5949f11585d5 - std::panicking::catch_unwind::hf41b5be070ce0f19
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5949f11585d5 - std::panic::catch_unwind::h4559aa103e6f16d6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5949f11585d5 - test::run_test_in_process::he6fd763a772ff213
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5949f11585d5 - test::run_test::{{closure}}::he46f5435849feb5b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5949f112ede4 - test::run_test::{{closure}}::h12a66289c31b502a
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5949f112ede4 - std::sys::backtrace::__rust_begin_short_backtrace::h614a7925ed7b2f5e
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5949f113278a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbc654088c5dbff36
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5949f113278a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3f631d2ca531b61d
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5949f113278a - std::panicking::catch_unwind::do_call::hd2548748db0aa717
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5949f113278a - std::panicking::catch_unwind::hf7d8620d84df48e2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5949f113278a - std::panic::catch_unwind::hdde75b8543fcb96b
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5949f113278a - std::thread::Builder::spawn_unchecked_::{{closure}}::h991e7d03b432cf3f
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5949f113278a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hebddb40255441657
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5949f117895f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h55e8930dc7db99a5
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   43:     0x5949f117895f - std::sys::thread::unix::Thread::new::thread_start::he23d038ee4fa004e
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7db530452aa4 - <unknown>
[INFO] [stdout]   45:     0x7db5304dfa34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     once::tests::wait
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 30 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "34b220ee93d4132d2550a1f87e2445f2d94c65f171a3ca490b716e80603a7a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b220ee93d4132d2550a1f87e2445f2d94c65f171a3ca490b716e80603a7a1d", kill_on_drop: false }`
[INFO] [stdout] 34b220ee93d4132d2550a1f87e2445f2d94c65f171a3ca490b716e80603a7a1d
