[INFO] fetching crate obstack 0.1.4...
[INFO] checking obstack-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate obstack 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate obstack 0.1.4
[INFO] finished tweaking crates.io crate obstack 0.1.4
[INFO] tweaked toml for crates.io crate obstack 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate obstack 0.1.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d711856bf34fd0f3f252f26fc61890bfe45a9a0a286392ee4fd761a5f66ee2f
[INFO] running `Command { std: "docker" "start" "-a" "2d711856bf34fd0f3f252f26fc61890bfe45a9a0a286392ee4fd761a5f66ee2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d711856bf34fd0f3f252f26fc61890bfe45a9a0a286392ee4fd761a5f66ee2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d711856bf34fd0f3f252f26fc61890bfe45a9a0a286392ee4fd761a5f66ee2f", kill_on_drop: false }`
[INFO] [stdout] 2d711856bf34fd0f3f252f26fc61890bfe45a9a0a286392ee4fd761a5f66ee2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d0f0eb040d5f4404b1901401596986677db57b13a3cb0b5ae5edc3f132ec4fe
[INFO] running `Command { std: "docker" "start" "-a" "1d0f0eb040d5f4404b1901401596986677db57b13a3cb0b5ae5edc3f132ec4fe", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking obstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `impls::*`
[INFO] [stdout]    --> src/lib.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub use impls::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: unused import: `impls::*`
[INFO] [stdout]    --> src/lib.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 | pub use impls::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> benches/bench.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Cell(T, Ref<'a, RefCons<'a, T>>),
[INFO] [stdout]    |         ----    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 90 -         Cell(T, Ref<'a, RefCons<'a, T>>),
[INFO] [stdout] 90 +         Cell(T, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> benches/bench.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |         Cell(T, Box<BoxCons<T>>),
[INFO] [stdout]     |         ----    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 108 -         Cell(T, Box<BoxCons<T>>),
[INFO] [stdout] 108 +         Cell(T, ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:608:27
[INFO] [stdout]     |
[INFO] [stdout] 608 |         struct LargeAlign(u8);
[INFO] [stdout]     |                ---------- ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `LargeAlign` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "1d0f0eb040d5f4404b1901401596986677db57b13a3cb0b5ae5edc3f132ec4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0f0eb040d5f4404b1901401596986677db57b13a3cb0b5ae5edc3f132ec4fe", kill_on_drop: false }`
[INFO] [stdout] 1d0f0eb040d5f4404b1901401596986677db57b13a3cb0b5ae5edc3f132ec4fe