[INFO] fetching crate persistent_array 0.5.0...
[INFO] checking persistent_array-0.5.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate persistent_array 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate persistent_array 0.5.0
[INFO] finished tweaking crates.io crate persistent_array 0.5.0
[INFO] tweaked toml for crates.io crate persistent_array 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate persistent_array 0.5.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding memmap v0.6.2 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c10ae79dcd95258bd95da6e74ad8a77f1a17e16238cbaa2a26c7c689b1cab7
[INFO] running `Command { std: "docker" "start" "-a" "13c10ae79dcd95258bd95da6e74ad8a77f1a17e16238cbaa2a26c7c689b1cab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c10ae79dcd95258bd95da6e74ad8a77f1a17e16238cbaa2a26c7c689b1cab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c10ae79dcd95258bd95da6e74ad8a77f1a17e16238cbaa2a26c7c689b1cab7", kill_on_drop: false }`
[INFO] [stdout] 13c10ae79dcd95258bd95da6e74ad8a77f1a17e16238cbaa2a26c7c689b1cab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b74e9d5d63d346a7a87b9e6a1eff38fd51625488dfcbb1fef1d2000327204c
[INFO] running `Command { std: "docker" "start" "-a" "49b74e9d5d63d346a7a87b9e6a1eff38fd51625488dfcbb1fef1d2000327204c", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking layout_id v0.3.0
[INFO] [stderr]     Checking persistent_array v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> tests/test.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Pair3 {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 31 |     a: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 32 |     b: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 33 |     c: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pair3` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/test.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct OtherPair2 {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 38 |     a: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 39 |     b: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OtherPair2` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "49b74e9d5d63d346a7a87b9e6a1eff38fd51625488dfcbb1fef1d2000327204c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b74e9d5d63d346a7a87b9e6a1eff38fd51625488dfcbb1fef1d2000327204c", kill_on_drop: false }`
[INFO] [stdout] 49b74e9d5d63d346a7a87b9e6a1eff38fd51625488dfcbb1fef1d2000327204c