[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 try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskorobogatydmitry%2Frust-atomics-n-locks" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skorobogatydmitry/rust-atomics-n-locks on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07f5f0511371e090e961d7be515f631003b7d3538a9be67bac1d2bcfc968f558
[INFO] running `Command { std: "docker" "start" "-a" "07f5f0511371e090e961d7be515f631003b7d3538a9be67bac1d2bcfc968f558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f5f0511371e090e961d7be515f631003b7d3538a9be67bac1d2bcfc968f558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f5f0511371e090e961d7be515f631003b7d3538a9be67bac1d2bcfc968f558", kill_on_drop: false }`
[INFO] [stdout] 07f5f0511371e090e961d7be515f631003b7d3538a9be67bac1d2bcfc968f558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] ed5b3c4f0a66169eed09073fa7fbc296315e38395723f598b1357502e22ca230
[INFO] running `Command { std: "docker" "start" "-a" "ed5b3c4f0a66169eed09073fa7fbc296315e38395723f598b1357502e22ca230", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling strum v0.27.1
[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 5.65s
[INFO] running `Command { std: "docker" "inspect" "ed5b3c4f0a66169eed09073fa7fbc296315e38395723f598b1357502e22ca230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5b3c4f0a66169eed09073fa7fbc296315e38395723f598b1357502e22ca230", kill_on_drop: false }`
[INFO] [stdout] ed5b3c4f0a66169eed09073fa7fbc296315e38395723f598b1357502e22ca230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 7c103a46b26f1d2ffe7ef9eaefc8878d88954f0b2c7e79fb057350405971fbe9
[INFO] running `Command { std: "docker" "start" "-a" "7c103a46b26f1d2ffe7ef9eaefc8878d88954f0b2c7e79fb057350405971fbe9", 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "7c103a46b26f1d2ffe7ef9eaefc8878d88954f0b2c7e79fb057350405971fbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c103a46b26f1d2ffe7ef9eaefc8878d88954f0b2c7e79fb057350405971fbe9", kill_on_drop: false }`
[INFO] [stdout] 7c103a46b26f1d2ffe7ef9eaefc8878d88954f0b2c7e79fb057350405971fbe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] b68f6ad0d855de5d38b6a5fb0f501878686832e68fe1fea9c4c125978ca3d03a
[INFO] running `Command { std: "docker" "start" "-a" "b68f6ad0d855de5d38b6a5fb0f501878686832e68fe1fea9c4c125978ca3d03a", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/atomics-n-locks/6f6d78ffbe1ff1b8/deps/atomics_n_locks-6f6d78ffbe1ff1b8)
[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::basic::test::test ... ok
[INFO] [stdout] test ch6_building_our_own_arc::optimization::test::test ... ok
[INFO] [stdout] test ch6_building_our_own_arc::weak::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::rcu::test_simple_rcu ... ok
[INFO] [stdout] test ch10_ideas_and_inspirations::semaphore::test::test_mutex ... 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 ... FAILED
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_trivial_uncontended_optimized_mutex ... ok
[INFO] [stdout] test ch9_building_our_own_locks::p1_mutex::test::test_concurrent_lock_attempts_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_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" "b68f6ad0d855de5d38b6a5fb0f501878686832e68fe1fea9c4c125978ca3d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68f6ad0d855de5d38b6a5fb0f501878686832e68fe1fea9c4c125978ca3d03a", kill_on_drop: false }`
[INFO] [stdout] b68f6ad0d855de5d38b6a5fb0f501878686832e68fe1fea9c4c125978ca3d03a
