[INFO] cloning repository https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skorobogatydmitry/rust-atomics-n-locks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4addd66c234bd9dab8510097641911da887469e8
[INFO] testing skorobogatydmitry/rust-atomics-n-locks against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] finished tweaking git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks
[INFO] tweaked toml for git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-wait v1.1.0
[INFO] [stderr]   Downloaded strum_macros v0.27.1
[INFO] [stderr]   Downloaded strum v0.27.1
[INFO] [stderr]   Downloaded rustversion v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60b3f8efd6cd19dc31d3059ebf511aa32c3d5d5308e1ea690a698e4d0a49739
[INFO] running `Command { std: "docker" "start" "-a" "b60b3f8efd6cd19dc31d3059ebf511aa32c3d5d5308e1ea690a698e4d0a49739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60b3f8efd6cd19dc31d3059ebf511aa32c3d5d5308e1ea690a698e4d0a49739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60b3f8efd6cd19dc31d3059ebf511aa32c3d5d5308e1ea690a698e4d0a49739", kill_on_drop: false }`
[INFO] [stdout] b60b3f8efd6cd19dc31d3059ebf511aa32c3d5d5308e1ea690a698e4d0a49739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904af1eb3310877e56c9f8be9c631e8038ac75b3bc65c29b97fd7a209f326aa1
[INFO] running `Command { std: "docker" "start" "-a" "904af1eb3310877e56c9f8be9c631e8038ac75b3bc65c29b97fd7a209f326aa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling atomic-wait v1.1.0
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling atomics-n-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn read(&self) -> ReadGuard<Y> {
[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] 61 |     pub fn read(&self) -> ReadGuard<'_, Y> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn write(&self) -> WriteGuard<Y> {
[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] 83 |     pub fn write(&self) -> WriteGuard<'_, Y> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn read(&self) -> ReadGuard2<Y> {
[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] 164 |     pub fn read(&self) -> ReadGuard2<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn write(&self) -> WriteGuard2<Y> {
[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] 182 |     pub fn write(&self) -> WriteGuard2<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn read(&self) -> ReadGuard3<Y> {
[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] 272 |     pub fn read(&self) -> ReadGuard3<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn write(&self) -> WriteGuard3<Y> {
[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] 293 |     pub fn write(&self) -> WriteGuard3<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "904af1eb3310877e56c9f8be9c631e8038ac75b3bc65c29b97fd7a209f326aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904af1eb3310877e56c9f8be9c631e8038ac75b3bc65c29b97fd7a209f326aa1", kill_on_drop: false }`
[INFO] [stdout] 904af1eb3310877e56c9f8be9c631e8038ac75b3bc65c29b97fd7a209f326aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8460efd264d14e8c816607af78b27e8a7681707fad7c3084c64c24a1e9d78374
[INFO] running `Command { std: "docker" "start" "-a" "8460efd264d14e8c816607af78b27e8a7681707fad7c3084c64c24a1e9d78374", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomics-n-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn read(&self) -> ReadGuard<Y> {
[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] 61 |     pub fn read(&self) -> ReadGuard<'_, Y> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn write(&self) -> WriteGuard<Y> {
[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] 83 |     pub fn write(&self) -> WriteGuard<'_, Y> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn read(&self) -> ReadGuard2<Y> {
[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] 164 |     pub fn read(&self) -> ReadGuard2<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn write(&self) -> WriteGuard2<Y> {
[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] 182 |     pub fn write(&self) -> WriteGuard2<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn read(&self) -> ReadGuard3<Y> {
[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] 272 |     pub fn read(&self) -> ReadGuard3<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn write(&self) -> WriteGuard3<Y> {
[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] 293 |     pub fn write(&self) -> WriteGuard3<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn read(&self) -> ReadGuard<Y> {
[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] 61 |     pub fn read(&self) -> ReadGuard<'_, Y> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn write(&self) -> WriteGuard<Y> {
[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] 83 |     pub fn write(&self) -> WriteGuard<'_, Y> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn read(&self) -> ReadGuard2<Y> {
[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] 164 |     pub fn read(&self) -> ReadGuard2<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn write(&self) -> WriteGuard2<Y> {
[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] 182 |     pub fn write(&self) -> WriteGuard2<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn read(&self) -> ReadGuard3<Y> {
[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] 272 |     pub fn read(&self) -> ReadGuard3<'_, Y> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn write(&self) -> WriteGuard3<Y> {
[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] 293 |     pub fn write(&self) -> WriteGuard3<'_, Y> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "8460efd264d14e8c816607af78b27e8a7681707fad7c3084c64c24a1e9d78374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8460efd264d14e8c816607af78b27e8a7681707fad7c3084c64c24a1e9d78374", kill_on_drop: false }`
[INFO] [stdout] 8460efd264d14e8c816607af78b27e8a7681707fad7c3084c64c24a1e9d78374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9987e3fb2f1bc3818b3d5b485e7d27697465fc4d993325aacfcb1698a8f3ab75
[INFO] running `Command { std: "docker" "start" "-a" "9987e3fb2f1bc3818b3d5b485e7d27697465fc4d993325aacfcb1698a8f3ab75", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn read(&self) -> ReadGuard<Y> {
[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] 61 |     pub fn read(&self) -> ReadGuard<'_, Y> {
[INFO] [stderr]    |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn write(&self) -> WriteGuard<Y> {
[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] 83 |     pub fn write(&self) -> WriteGuard<'_, Y> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn read(&self) -> ReadGuard2<Y> {
[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] 164 |     pub fn read(&self) -> ReadGuard2<'_, Y> {
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:182:18
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn write(&self) -> WriteGuard2<Y> {
[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] 182 |     pub fn write(&self) -> WriteGuard2<'_, Y> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:272:17
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn read(&self) -> ReadGuard3<Y> {
[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] 272 |     pub fn read(&self) -> ReadGuard3<'_, Y> {
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ch9_building_our_own_locks/p3_read_write_lock.rs:293:18
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn write(&self) -> WriteGuard3<Y> {
[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] 293 |     pub fn write(&self) -> WriteGuard3<'_, Y> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `atomics-n-locks` (lib) generated 6 warnings (run `cargo fix --lib -p atomics-n-locks` to apply 6 suggestions)
[INFO] [stderr] warning: `atomics-n-locks` (lib test) generated 6 warnings (6 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/atomics_n_locks-89b4e5c23a6f7421)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test ch10_ideas_and_inspirations::semaphore::test::test_semaphore_limit ... ok
[INFO] [stdout] test ch6_building_our_own_arc::optimization::test::test_annoying ... ok
[INFO] [stdout] test ch6_building_our_own_arc::weak::test::test ... ok
[INFO] [stdout] test ch6_building_our_own_arc::basic::test::test ... ok
[INFO] [stdout] test ch6_building_our_own_arc::optimization::test::test ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::semaphore::test::test_new_panics - should panic ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::seqlock::test::test_read_consistency ... FAILED
[INFO] [stdout] test ch10_ideas_and_inspirations::semaphore::test::test_mutex ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::rcu::test_simple_rcu ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::seqlock::test::test_multiple_writers ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::seqlock::test::test_writer_block_readers ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_trivial_uncontended_optimized_mutex ... ok
[INFO] [stdout] test ch7_understanding_the_processor::test::ordering_bug ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p2_condition_variable::test::test_condvar ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_concurrent_lock_attempts_optimized_mutex ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_trivial_uncontended_simple_mutex ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_concurrent_lock_attempts_simple_mutex ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::semaphore::test::test_semaphore has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9987e3fb2f1bc3818b3d5b485e7d27697465fc4d993325aacfcb1698a8f3ab75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9987e3fb2f1bc3818b3d5b485e7d27697465fc4d993325aacfcb1698a8f3ab75", kill_on_drop: false }`
[INFO] [stdout] 9987e3fb2f1bc3818b3d5b485e7d27697465fc4d993325aacfcb1698a8f3ab75
