[INFO] fetching crate persistent_array 0.5.0...
[INFO] checking persistent_array-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate persistent_array 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate persistent_array 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.4)
[INFO] [stderr]       Adding memmap v0.6.2 (latest: v0.7.0)
[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (latest: v0.8.4)
[INFO] [stderr]       Adding thread-id v2.0.0 (latest: v4.2.2)
[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.6.2
[INFO] [stderr]   Downloaded layout_id v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 022e938e905003b42b4b70ef5ac0c6553192c35dd7a3228a2b3580d50b9b9252
[INFO] running `Command { std: "docker" "start" "-a" "022e938e905003b42b4b70ef5ac0c6553192c35dd7a3228a2b3580d50b9b9252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "022e938e905003b42b4b70ef5ac0c6553192c35dd7a3228a2b3580d50b9b9252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022e938e905003b42b4b70ef5ac0c6553192c35dd7a3228a2b3580d50b9b9252", kill_on_drop: false }`
[INFO] [stdout] 022e938e905003b42b4b70ef5ac0c6553192c35dd7a3228a2b3580d50b9b9252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c8d74dfb01602ebd98e5b04bf09f8c64677006b90680596e942ef0f44e215f
[INFO] running `Command { std: "docker" "start" "-a" "77c8d74dfb01602ebd98e5b04bf09f8c64677006b90680596e942ef0f44e215f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[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 `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "77c8d74dfb01602ebd98e5b04bf09f8c64677006b90680596e942ef0f44e215f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c8d74dfb01602ebd98e5b04bf09f8c64677006b90680596e942ef0f44e215f", kill_on_drop: false }`
[INFO] [stdout] 77c8d74dfb01602ebd98e5b04bf09f8c64677006b90680596e942ef0f44e215f