[INFO] fetching crate sync-wait-object 0.2.0...
[INFO] building sync-wait-object-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sync-wait-object 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sync-wait-object 0.2.0
[INFO] finished tweaking crates.io crate sync-wait-object 0.2.0
[INFO] tweaked toml for crates.io crate sync-wait-object 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-wait-object 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding windows v0.44.0 (available: v0.62.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b89fbb3287be463f104fe639df9f5305ffd6be640aa440952805cc62a010b9a
[INFO] running `Command { std: "docker" "start" "-a" "9b89fbb3287be463f104fe639df9f5305ffd6be640aa440952805cc62a010b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b89fbb3287be463f104fe639df9f5305ffd6be640aa440952805cc62a010b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b89fbb3287be463f104fe639df9f5305ffd6be640aa440952805cc62a010b9a", kill_on_drop: false }`
[INFO] [stdout] 9b89fbb3287be463f104fe639df9f5305ffd6be640aa440952805cc62a010b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaea66b5f9f95823178a177dac9d4f575fd07816addf1e84a7964a0055b3ec42
[INFO] running `Command { std: "docker" "start" "-a" "aaea66b5f9f95823178a177dac9d4f575fd07816addf1e84a7964a0055b3ec42", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-wait-object v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn value(&self) -> Result<MutexGuard<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] 95 |     pub fn value(&self) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "aaea66b5f9f95823178a177dac9d4f575fd07816addf1e84a7964a0055b3ec42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaea66b5f9f95823178a177dac9d4f575fd07816addf1e84a7964a0055b3ec42", kill_on_drop: false }`
[INFO] [stdout] aaea66b5f9f95823178a177dac9d4f575fd07816addf1e84a7964a0055b3ec42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279132190bffc143f8fce043a98a70831eed96decb6bc468f564480fc78d594e
[INFO] running `Command { std: "docker" "start" "-a" "279132190bffc143f8fce043a98a70831eed96decb6bc468f564480fc78d594e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync-wait-object v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn value(&self) -> Result<MutexGuard<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] 95 |     pub fn value(&self) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn value(&self) -> Result<MutexGuard<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] 95 |     pub fn value(&self) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 105 |     pub fn wait(&self, timeout: Option<Duration>, checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<T>> {
[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] 149 |     pub fn wait_with_waiter(&self, timeout: Option<Duration>, mut checker: impl FnMut(&T) -> bool) -> Result<MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "279132190bffc143f8fce043a98a70831eed96decb6bc468f564480fc78d594e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279132190bffc143f8fce043a98a70831eed96decb6bc468f564480fc78d594e", kill_on_drop: false }`
[INFO] [stdout] 279132190bffc143f8fce043a98a70831eed96decb6bc468f564480fc78d594e
