[INFO] fetching crate fibers 0.1.13...
[INFO] fixing fibers-0.1.13 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate fibers 0.1.13 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fibers 0.1.13
[INFO] finished tweaking crates.io crate fibers 0.1.13
[INFO] tweaked toml for crates.io crate fibers 0.1.13 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fibers 0.1.13 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fibers 0.1.13 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fibers` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded splay_tree v0.2.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded nbchan v0.1.3
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded handy_async v0.2.13
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9
[INFO] running `Command { std: "docker" "start" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `fibers` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking handy_async v0.2.13
[INFO] [stderr]     Checking fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pollers` is never read
[INFO] [stdout]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct ThreadPoolExecutor {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 47 |     pool: SchedulerPool,
[INFO] [stdout] 48 |     pollers: PollerPool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `links` is never read
[INFO] [stdout]    --> src/executor/thread_pool.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct PollerPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 143 |     pollers: Vec<poll::PollerHandle>,
[INFO] [stdout] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/fiber/schedule.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |             scheduler_id: unsafe { NEXT_SCHEDULER_ID.fetch_add(1, atomic::Ordering::SeqCst) },
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 - static mut NEXT_SCHEDULER_ID: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout] 14 + static NEXT_SCHEDULER_ID: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/fiber/schedule.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn as_context(&mut self) -> Option<Context> {
[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] 324 |     pub fn as_context(&mut self) -> Option<Context<'_>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/poll/mod.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn lock(&self) -> EventedLock<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] 33 |     pub fn lock(&self) -> EventedLock<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/io/poll/poller.rs:374:18
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn inner(&self) -> EventedLock<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] 374 |     pub fn inner(&self) -> EventedLock<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync_atomic.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn try_borrow_mut(&self) -> Option<AtomicBorrowMut<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] 20 |     pub fn try_borrow_mut(&self) -> Option<AtomicBorrowMut<'_, T>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync_atomic.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn try_borrow(&self) -> Option<AtomicBorrowRef<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] 29 |     pub fn try_borrow(&self) -> Option<AtomicBorrowRef<'_, T>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pollers` is never read
[INFO] [stdout]   --> src/executor/thread_pool.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct ThreadPoolExecutor {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 47 |     pool: SchedulerPool,
[INFO] [stdout] 48 |     pollers: PollerPool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ThreadPoolExecutor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `links` is never read
[INFO] [stdout]    --> src/executor/thread_pool.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct PollerPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 143 |     pollers: Vec<poll::PollerHandle>,
[INFO] [stdout] 144 |     links: Vec<Link<(), io::Error>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PollerPool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/fiber/schedule.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |             scheduler_id: unsafe { NEXT_SCHEDULER_ID.fetch_add(1, atomic::Ordering::SeqCst) },
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout] 14 - static mut NEXT_SCHEDULER_ID: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout] 14 + static NEXT_SCHEDULER_ID: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/fiber/schedule.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn as_context(&mut self) -> Option<Context> {
[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] 324 |     pub fn as_context(&mut self) -> Option<Context<'_>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/poll/mod.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn lock(&self) -> EventedLock<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] 33 |     pub fn lock(&self) -> EventedLock<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/io/poll/poller.rs:374:18
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn inner(&self) -> EventedLock<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] 374 |     pub fn inner(&self) -> EventedLock<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync_atomic.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn try_borrow_mut(&self) -> Option<AtomicBorrowMut<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] 20 |     pub fn try_borrow_mut(&self) -> Option<AtomicBorrowMut<'_, T>> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync_atomic.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn try_borrow(&self) -> Option<AtomicBorrowRef<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] 29 |     pub fn try_borrow(&self) -> Option<AtomicBorrowRef<'_, T>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9", kill_on_drop: false }`
[INFO] [stdout] bbfe01a2df4bbda869d089f2862aadde14c2007f3676017c4b48074aacf91ff9
