[INFO] fetching crate push-messaging 0.1.1...
[INFO] testing push-messaging-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate push-messaging 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate push-messaging 0.1.1
[INFO] finished tweaking crates.io crate push-messaging 0.1.1
[INFO] tweaked toml for crates.io crate push-messaging 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate push-messaging 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 224 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.8)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.23)
[INFO] [stderr]       Adding serde_with v2.3.3 (available: v3.14.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_with_macros v2.3.3
[INFO] [stderr]   Downloaded builder-pattern v0.4.2
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded builder-pattern-macro v0.4.2
[INFO] [stderr]   Downloaded serde_with v2.3.3
[INFO] [stderr]   Downloaded openssl-src v300.5.3+3.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a3edf0012229bd21d4a585179e2d9176b55735b176bf301a42c385a535ee2a5
[INFO] running `Command { std: "docker" "start" "-a" "4a3edf0012229bd21d4a585179e2d9176b55735b176bf301a42c385a535ee2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a3edf0012229bd21d4a585179e2d9176b55735b176bf301a42c385a535ee2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3edf0012229bd21d4a585179e2d9176b55735b176bf301a42c385a535ee2a5", kill_on_drop: false }`
[INFO] [stdout] 4a3edf0012229bd21d4a585179e2d9176b55735b176bf301a42c385a535ee2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd2b43b8f1e942005b9e1bc64cd3e5a303849a0a45fbaebe792e80a0094a705
[INFO] running `Command { std: "docker" "start" "-a" "6cd2b43b8f1e942005b9e1bc64cd3e5a303849a0a45fbaebe792e80a0094a705", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling builder-pattern-macro v0.4.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling builder-pattern v0.4.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling serde_with v2.3.3
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling push-messaging v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_fn_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt`, `rc::Rc`, and `str::FromStr`
[INFO] [stdout]  --> src/client/message.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, fmt, rc::Rc, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime`, `Duration`, and `FixedOffset`
[INFO] [stdout]  --> src/client/message.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{DateTime, Duration, FixedOffset};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer` and `Serializer`
[INFO] [stdout]  --> src/client/message.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]   |                          ^^^^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CONTENT_LENGTH`
[INFO] [stdout]  --> src/fcm/fcm_client.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reqwest::{Response, header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, RETRY_AFTER}, StatusCode};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt`, `rc::Rc`, and `str::FromStr`
[INFO] [stdout]  --> src/fcm/message.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, fmt, rc::Rc, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime`, `Duration`, and `FixedOffset`
[INFO] [stdout]  --> src/fcm/message.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::{DateTime, Duration, FixedOffset};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer` and `Serializer`
[INFO] [stdout]  --> src/fcm/message.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stdout]   |                          ^^^^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `push-messaging` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6cd2b43b8f1e942005b9e1bc64cd3e5a303849a0a45fbaebe792e80a0094a705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd2b43b8f1e942005b9e1bc64cd3e5a303849a0a45fbaebe792e80a0094a705", kill_on_drop: false }`
[INFO] [stdout] 6cd2b43b8f1e942005b9e1bc64cd3e5a303849a0a45fbaebe792e80a0094a705