[INFO] cloning repository https://github.com/Centril/rust_strong_rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Centril/rust_strong_rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Frust_strong_rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Frust_strong_rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67190f782090bd5aa95bbedb40d1ac292e08cd10
[INFO] checking Centril/rust_strong_rc against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentril%2Frust_strong_rc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Centril/rust_strong_rc
[INFO] finished tweaking git repo https://github.com/Centril/rust_strong_rc
[INFO] tweaked toml for git repo https://github.com/Centril/rust_strong_rc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Centril/rust_strong_rc on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Centril/rust_strong_rc 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf2003c7087b8d6517cef69e560b4accbad16bfca072473bd08d6290e8bcbe1
[INFO] running `Command { std: "docker" "start" "-a" "3bf2003c7087b8d6517cef69e560b4accbad16bfca072473bd08d6290e8bcbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf2003c7087b8d6517cef69e560b4accbad16bfca072473bd08d6290e8bcbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf2003c7087b8d6517cef69e560b4accbad16bfca072473bd08d6290e8bcbe1", kill_on_drop: false }`
[INFO] [stdout] 3bf2003c7087b8d6517cef69e560b4accbad16bfca072473bd08d6290e8bcbe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9214bbe3cd5c32f5e7d96e1a931872cf7e3e6fb5c2c5e4962384b509f1496d
[INFO] running `Command { std: "docker" "start" "-a" "1f9214bbe3cd5c32f5e7d96e1a931872cf7e3e6fb5c2c5e4962384b509f1496d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking strong_rc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | #![feature(alloc_layout_extra)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `ptr_alignment_type`
[INFO] [stdout]    --> src/lib.rs:285:46
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let offset = (layout.size() + layout.padding_needed_for(align)) as isize;
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #102070 <https://github.com/rust-lang/rust/issues/102070> for more information
[INFO] [stdout]     = help: add `#![feature(ptr_alignment_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-02-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:285:65
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let offset = (layout.size() + layout.padding_needed_for(align)) as isize;
[INFO] [stdout]     |                                              ------------------ ^^^^^ expected `Alignment`, found `usize`
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/f8463896a9b36a04899c013bd8825a7fd29dd7a4/library/core/src/alloc/layout.rs:335:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strong_rc` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1f9214bbe3cd5c32f5e7d96e1a931872cf7e3e6fb5c2c5e4962384b509f1496d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9214bbe3cd5c32f5e7d96e1a931872cf7e3e6fb5c2c5e4962384b509f1496d", kill_on_drop: false }`
[INFO] [stdout] 1f9214bbe3cd5c32f5e7d96e1a931872cf7e3e6fb5c2c5e4962384b509f1496d
