[INFO] fetching crate eternaltwin_core 0.16.4...
[INFO] checking eternaltwin_core-0.16.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate eternaltwin_core 0.16.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate eternaltwin_core 0.16.4
[INFO] finished tweaking crates.io crate eternaltwin_core 0.16.4
[INFO] tweaked toml for crates.io crate eternaltwin_core 0.16.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eternaltwin_core 0.16.4 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] crate crates.io crate eternaltwin_core 0.16.4 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c085755aee848f3011688711f8f9a0e858caea8547a464079ebb284836ae95b1
[INFO] running `Command { std: "docker" "start" "-a" "c085755aee848f3011688711f8f9a0e858caea8547a464079ebb284836ae95b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c085755aee848f3011688711f8f9a0e858caea8547a464079ebb284836ae95b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c085755aee848f3011688711f8f9a0e858caea8547a464079ebb284836ae95b1", kill_on_drop: false }`
[INFO] [stdout] c085755aee848f3011688711f8f9a0e858caea8547a464079ebb284836ae95b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a2a211d653cb9da3a5ca8fcb060eec156e9a64c86a25df31e6b3250a9344cd7d
[INFO] running `Command { std: "docker" "start" "-a" "a2a211d653cb9da3a5ca8fcb060eec156e9a64c86a25df31e6b3250a9344cd7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]     Checking eternaltwin_core v0.16.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/api.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `declare_twinoid_record`
[INFO] [stdout]    --> src/twinoid/api.rs:442:16
[INFO] [stdout]     |
[INFO] [stdout] 442 | pub(crate) use declare_twinoid_record;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Missing`
[INFO] [stdout]    --> src/twinoid/api.rs:869:29
[INFO] [stdout]     |
[INFO] [stdout] 869 |   use crate::twinoid::api::{Missing, Skip};
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/twinoid/api.rs:909:9
[INFO] [stdout]     |
[INFO] [stdout] 909 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::HtmlFragment`
[INFO] [stdout]    --> src/twinoid/api.rs:910:9
[INFO] [stdout]     |
[INFO] [stdout] 910 |     use crate::core::HtmlFragment;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::twinoid::api::Like`
[INFO] [stdout]    --> src/twinoid/api.rs:911:9
[INFO] [stdout]     |
[INFO] [stdout] 911 |     use crate::twinoid::api::Like;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TwinoidUserIdRef` and `TwinoidUserId`
[INFO] [stdout]    --> src/twinoid/api.rs:912:26
[INFO] [stdout]     |
[INFO] [stdout] 912 |     use crate::twinoid::{TwinoidUserId, TwinoidUserIdRef};
[INFO] [stdout]     |                          ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::patch::SimplePatch`
[INFO] [stdout]    --> src/user/mod.rs:835:7
[INFO] [stdout]     |
[INFO] [stdout] 835 |   use crate::patch::SimplePatch;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `declare_twinoid_record`
[INFO] [stdout]    --> src/twinoid/api.rs:442:16
[INFO] [stdout]     |
[INFO] [stdout] 442 | pub(crate) use declare_twinoid_record;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/job/mod.rs:387:3
[INFO] [stdout]     |
[INFO] [stdout] 387 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/job/mod.rs:656:3
[INFO] [stdout]     |
[INFO] [stdout] 656 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/job/mod.rs:387:3
[INFO] [stdout]     |
[INFO] [stdout] 387 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/job/mod.rs:656:3
[INFO] [stdout]     |
[INFO] [stdout] 656 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `TimerHandle` is never constructed
[INFO] [stdout]    --> src/job/mod.rs:620:12
[INFO] [stdout]     |
[INFO] [stdout] 620 | pub struct TimerHandle {
[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] warning: struct `GetRandomRng` is never constructed
[INFO] [stdout]   --> src/rng.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct GetRandomRng;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinUser` is never constructed
[INFO] [stdout]    --> src/twinoid/api.rs:916:16
[INFO] [stdout]     |
[INFO] [stdout] 916 |     pub struct MinUser {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `TimerHandle` is never constructed
[INFO] [stdout]    --> src/job/mod.rs:620:12
[INFO] [stdout]     |
[INFO] [stdout] 620 | pub struct TimerHandle {
[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] warning: struct `GetRandomRng` is never constructed
[INFO] [stdout]   --> src/rng.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct GetRandomRng;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eternaltwin_core` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `eternaltwin_core` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a2a211d653cb9da3a5ca8fcb060eec156e9a64c86a25df31e6b3250a9344cd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a211d653cb9da3a5ca8fcb060eec156e9a64c86a25df31e6b3250a9344cd7d", kill_on_drop: false }`
[INFO] [stdout] a2a211d653cb9da3a5ca8fcb060eec156e9a64c86a25df31e6b3250a9344cd7d
