[INFO] fetching crate dync 0.5.7...
[INFO] checking dync-0.5.7 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate dync 0.5.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dync 0.5.7 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dync 0.5.7
[INFO] finished tweaking crates.io crate dync 0.5.7
[INFO] tweaked toml for crates.io crate dync 0.5.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dync 0.5.7 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dync-derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a42361bbef4ac18fb6ff509d65d8cae61fb651c2372a2af6b8d4ad68b26fe1db
[INFO] running `Command { std: "docker" "start" "-a" "a42361bbef4ac18fb6ff509d65d8cae61fb651c2372a2af6b8d4ad68b26fe1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a42361bbef4ac18fb6ff509d65d8cae61fb651c2372a2af6b8d4ad68b26fe1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42361bbef4ac18fb6ff509d65d8cae61fb651c2372a2af6b8d4ad68b26fe1db", kill_on_drop: false }`
[INFO] [stdout] a42361bbef4ac18fb6ff509d65d8cae61fb651c2372a2af6b8d4ad68b26fe1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7186372717c2e793f6163e2833eb5440c7a59e5cad3a4bb4d49ee346f0ec6bb
[INFO] running `Command { std: "docker" "start" "-a" "f7186372717c2e793f6163e2833eb5440c7a59e5cad3a4bb4d49ee346f0ec6bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling dync-derive v0.4.0
[INFO] [stderr]     Checking dync v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `rc_into_rc_bytes`, `rc_from_rc_bytes`, `arc_into_arc_bytes`, and `arc_from_arc_bytes` are never used
[INFO] [stdout]    --> src/bytes.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | pub(crate) trait Bytes
[INFO] [stdout]     |                  ----- associated functions in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn rc_into_rc_bytes(rc: Rc<Self>) -> Rc<[MaybeUninit<u8>]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     unsafe fn rc_from_rc_bytes(rc: Rc<[MaybeUninit<u8>]>) -> Rc<Self> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn arc_into_arc_bytes(arc: Arc<Self>) -> Arc<[MaybeUninit<u8>]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     unsafe fn arc_from_arc_bytes(arc: Arc<[MaybeUninit<u8>]>) -> Arc<Self> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/soundness.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct LargeAlign(u8);
[INFO] [stdout]   |        ---------- ^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[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] 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] 6 | struct LargeAlign(());
[INFO] [stdout]   |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HTValue` is never used
[INFO] [stdout]   --> examples/cache.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     trait HTValue: Clone + PartialEq + Eq + std::hash::Hash + std::fmt::Debug {}
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rc_into_rc_bytes`, `rc_from_rc_bytes`, `arc_into_arc_bytes`, and `arc_from_arc_bytes` are never used
[INFO] [stdout]    --> src/bytes.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | pub(crate) trait Bytes
[INFO] [stdout]     |                  ----- associated functions in this trait
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn rc_into_rc_bytes(rc: Rc<Self>) -> Rc<[MaybeUninit<u8>]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     unsafe fn rc_from_rc_bytes(rc: Rc<[MaybeUninit<u8>]>) -> Rc<Self> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn arc_into_arc_bytes(arc: Arc<Self>) -> Arc<[MaybeUninit<u8>]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     unsafe fn arc_from_arc_bytes(arc: Arc<[MaybeUninit<u8>]>) -> Arc<Self> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "f7186372717c2e793f6163e2833eb5440c7a59e5cad3a4bb4d49ee346f0ec6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7186372717c2e793f6163e2833eb5440c7a59e5cad3a4bb4d49ee346f0ec6bb", kill_on_drop: false }`
[INFO] [stdout] f7186372717c2e793f6163e2833eb5440c7a59e5cad3a4bb4d49ee346f0ec6bb
