[INFO] fetching crate atomic-try-update 0.0.2...
[INFO] checking atomic-try-update-0.0.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate atomic-try-update 0.0.2 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic-try-update 0.0.2 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e578a30365dcbb051ccc69c6203533b9e5157186bb405b832d23d6ee5a65344
[INFO] running `Command { std: "docker" "start" "-a" "2e578a30365dcbb051ccc69c6203533b9e5157186bb405b832d23d6ee5a65344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e578a30365dcbb051ccc69c6203533b9e5157186bb405b832d23d6ee5a65344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e578a30365dcbb051ccc69c6203533b9e5157186bb405b832d23d6ee5a65344", kill_on_drop: false }`
[INFO] [stdout] 2e578a30365dcbb051ccc69c6203533b9e5157186bb405b832d23d6ee5a65344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d13ca6fbe7de42b9255235b101a5f6c23e2b8071412da3b3189115293a2dd0b
[INFO] running `Command { std: "docker" "start" "-a" "4d13ca6fbe7de42b9255235b101a5f6c23e2b8071412da3b3189115293a2dd0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.50
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking rand v0.8.6
[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] [stderr] error: could not compile `atomic-try-update` (lib test) due to 1 previous error; 1 warning emitted
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atomic-try-update` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4d13ca6fbe7de42b9255235b101a5f6c23e2b8071412da3b3189115293a2dd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d13ca6fbe7de42b9255235b101a5f6c23e2b8071412da3b3189115293a2dd0b", kill_on_drop: false }`
[INFO] [stdout] 4d13ca6fbe7de42b9255235b101a5f6c23e2b8071412da3b3189115293a2dd0b