[INFO] fetching crate onsen 0.14.0...
[INFO] testing onsen-0.14.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate onsen 0.14.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate onsen 0.14.0
[INFO] finished tweaking crates.io crate onsen 0.14.0
[INFO] tweaked toml for crates.io crate onsen 0.14.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate onsen 0.14.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding serial_test v0.9.0 (available: v3.2.0)
[INFO] [stderr]       Adding threadcell v0.8.2 (available: v1.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.9.0
[INFO] [stderr]   Downloaded serial_test_derive v0.9.0
[INFO] [stderr]   Downloaded threadcell v0.8.2
[INFO] [stderr]   Downloaded assoc_static v1.0.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe606aa5e18da785385e372ea60962d56cdf91b42d085e6d7573befad7d2e2e
[INFO] running `Command { std: "docker" "start" "-a" "1fe606aa5e18da785385e372ea60962d56cdf91b42d085e6d7573befad7d2e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe606aa5e18da785385e372ea60962d56cdf91b42d085e6d7573befad7d2e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe606aa5e18da785385e372ea60962d56cdf91b42d085e6d7573befad7d2e2e", kill_on_drop: false }`
[INFO] [stdout] 1fe606aa5e18da785385e372ea60962d56cdf91b42d085e6d7573befad7d2e2e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02d83c3ddef53525b3b84f954cee0a6a2eb29038420b1bb425f4fa3aca252ea0
[INFO] running `Command { std: "docker" "start" "-a" "02d83c3ddef53525b3b84f954cee0a6a2eb29038420b1bb425f4fa3aca252ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadcell v0.8.2
[INFO] [stderr]    Compiling assoc_static v1.0.0
[INFO] [stderr]    Compiling onsen v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/refcounted.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/strongcounted.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/trefcounted.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/tstrongcounted.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/pool.rs:315:23
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 while (*entry).freelist_node.next != start {
[INFO] [stdout]     |                       ^^-----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this raw pointer has type `*mut entry::Entry<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 while (&(*entry).freelist_node).next != start {
[INFO] [stdout]     |                       ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/pool.rs:317:29
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     entry = (*entry).freelist_node.next;
[INFO] [stdout]     |                             ^^-----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*mut entry::Entry<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     entry = (&(*entry).freelist_node).next;
[INFO] [stdout]     |                             ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stpool.rs:80:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn acquire_guard(&self) -> Result<STPoolGuard<RefCell<PoolInner<T>>>, PoolOwnershipError> {
[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] 80 |     pub fn acquire_guard(&self) -> Result<STPoolGuard<'_, RefCell<PoolInner<T>>>, PoolOwnershipError> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `onsen` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "02d83c3ddef53525b3b84f954cee0a6a2eb29038420b1bb425f4fa3aca252ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d83c3ddef53525b3b84f954cee0a6a2eb29038420b1bb425f4fa3aca252ea0", kill_on_drop: false }`
[INFO] [stdout] 02d83c3ddef53525b3b84f954cee0a6a2eb29038420b1bb425f4fa3aca252ea0
