[INFO] fetching crate snocat 0.8.0-alpha.5...
[INFO] testing snocat-0.8.0-alpha.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate snocat 0.8.0-alpha.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate snocat 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate snocat 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate snocat 0.8.0-alpha.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snocat 0.8.0-alpha.5 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]      Locking 212 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding fred v6.3.2 (available: v10.1.0)
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.1)
[INFO] [stderr]       Adding quinn v0.10.2 (available: v0.11.9)
[INFO] [stderr]       Adding rustls v0.21.12 (available: v0.23.32)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (available: v2.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes-utils v0.1.4
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded arcstr v1.2.0
[INFO] [stderr]   Downloaded redis-protocol v4.1.0
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded fred v6.3.2
[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] 150f6ed0ad6f268e103615df6c79acb03804e1d83d6374b73ac9a7190ada45dd
[INFO] running `Command { std: "docker" "start" "-a" "150f6ed0ad6f268e103615df6c79acb03804e1d83d6374b73ac9a7190ada45dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "150f6ed0ad6f268e103615df6c79acb03804e1d83d6374b73ac9a7190ada45dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150f6ed0ad6f268e103615df6c79acb03804e1d83d6374b73ac9a7190ada45dd", kill_on_drop: false }`
[INFO] [stdout] 150f6ed0ad6f268e103615df6c79acb03804e1d83d6374b73ac9a7190ada45dd
[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] 7e68c7a0205b322d00250a9fe2f07573411d0c5e4e541bb74d50bf556a7c52db
[INFO] running `Command { std: "docker" "start" "-a" "7e68c7a0205b322d00250a9fe2f07573411d0c5e4e541bb74d50bf556a7c52db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling quinn-udp v0.4.1
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling quinn-proto v0.10.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling quinn v0.10.2
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling snocat v0.8.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/common/protocol/service/mod.rs:154:37
[INFO] [stdout]     |
[INFO] [stdout] 154 |   TInnerClient: Client<'static, Box<(dyn TunnelStream + std::marker::Send + 'c)>> + Send + 'c,
[INFO] [stdout]     |                                     ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -   TInnerClient: Client<'static, Box<(dyn TunnelStream + std::marker::Send + 'c)>> + Send + 'c,
[INFO] [stdout] 154 +   TInnerClient: Client<'static, Box<dyn TunnelStream + std::marker::Send + 'c>> + Send + 'c,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/common/protocol/service/mod.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |   for BoxDispatchClient<'c, Box<(dyn TunnelStream + std::marker::Send + 'c)>, TInnerClient>
[INFO] [stdout]     |                                 ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -   for BoxDispatchClient<'c, Box<(dyn TunnelStream + std::marker::Send + 'c)>, TInnerClient>
[INFO] [stdout] 152 +   for BoxDispatchClient<'c, Box<dyn TunnelStream + std::marker::Send + 'c>, TInnerClient>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/common/protocol/service/mod.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 |   TInnerClient: Client<'static, Box<(dyn TunnelStream + std::marker::Send + 'c)>> + Send + 'c,
[INFO] [stdout]     |                                     ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 217 -   TInnerClient: Client<'static, Box<(dyn TunnelStream + std::marker::Send + 'c)>> + Send + 'c,
[INFO] [stdout] 217 +   TInnerClient: Client<'static, Box<dyn TunnelStream + std::marker::Send + 'c>> + Send + 'c,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snocat` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7e68c7a0205b322d00250a9fe2f07573411d0c5e4e541bb74d50bf556a7c52db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e68c7a0205b322d00250a9fe2f07573411d0c5e4e541bb74d50bf556a7c52db", kill_on_drop: false }`
[INFO] [stdout] 7e68c7a0205b322d00250a9fe2f07573411d0c5e4e541bb74d50bf556a7c52db
