[INFO] fetching crate atomic-try-update 0.0.2...
[INFO] checking atomic-try-update-0.0.2 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate atomic-try-update 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate atomic-try-update 0.0.2
[INFO] finished tweaking crates.io crate atomic-try-update 0.0.2
[INFO] tweaked toml for crates.io crate atomic-try-update 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic-try-update 0.0.2 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.6.1 (available: v0.7.6)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d7593ec511f8a457fe9ff63e33258ba37275bed9b7eff11781193910120e9a
[INFO] running `Command { std: "docker" "start" "-a" "19d7593ec511f8a457fe9ff63e33258ba37275bed9b7eff11781193910120e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d7593ec511f8a457fe9ff63e33258ba37275bed9b7eff11781193910120e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d7593ec511f8a457fe9ff63e33258ba37275bed9b7eff11781193910120e9a", kill_on_drop: false }`
[INFO] [stdout] 19d7593ec511f8a457fe9ff63e33258ba37275bed9b7eff11781193910120e9a
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b4ab1bdcd4a0ddb327fd3b358a223c15a10ce7780d4de953e60210e06dcc93
[INFO] running `Command { std: "docker" "start" "-a" "f4b4ab1bdcd4a0ddb327fd3b358a223c15a10ce7780d4de953e60210e06dcc93", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking atomic-try-update v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/once.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 .map(|ptr| (&(*ptr).inner)),
[INFO] [stdout]     |                            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 181 -                 .map(|ptr| (&(*ptr).inner)),
[INFO] [stdout] 181 +                 .map(|ptr| &(*ptr).inner),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/once.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 .map(|ptr| (&(*ptr).inner)),
[INFO] [stdout]     |                            ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 181 -                 .map(|ptr| (&(*ptr).inner)),
[INFO] [stdout] 181 +                 .map(|ptr| &(*ptr).inner),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FlagU32` is never constructed
[INFO] [stdout]   --> src/bits.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct FlagU32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FlagU32` is never constructed
[INFO] [stdout]   --> src/bits.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct FlagU32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-try-update` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `atomic-try-update` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f4b4ab1bdcd4a0ddb327fd3b358a223c15a10ce7780d4de953e60210e06dcc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b4ab1bdcd4a0ddb327fd3b358a223c15a10ce7780d4de953e60210e06dcc93", kill_on_drop: false }`
[INFO] [stdout] f4b4ab1bdcd4a0ddb327fd3b358a223c15a10ce7780d4de953e60210e06dcc93
