[INFO] fetching crate matroskin 0.0.3...
[INFO] checking matroskin-0.0.3 against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] extracting crate matroskin 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate matroskin 0.0.3
[INFO] finished tweaking crates.io crate matroskin 0.0.3
[INFO] tweaked toml for crates.io crate matroskin 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matroskin 0.0.3 on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matroskin 0.0.3 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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.6.0
[INFO] [stderr]   Downloaded base64_light v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0706a47db5f07891615dd39cdc2ec555cdddeecced39ded94ab92bb2f89a953a
[INFO] running `Command { std: "docker" "start" "-a" "0706a47db5f07891615dd39cdc2ec555cdddeecced39ded94ab92bb2f89a953a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0706a47db5f07891615dd39cdc2ec555cdddeecced39ded94ab92bb2f89a953a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0706a47db5f07891615dd39cdc2ec555cdddeecced39ded94ab92bb2f89a953a", kill_on_drop: false }`
[INFO] [stdout] 0706a47db5f07891615dd39cdc2ec555cdddeecced39ded94ab92bb2f89a953a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1402c54211395ff0b63c54b04b1cc1d567bed9504499425872f841da38d87033
[INFO] running `Command { std: "docker" "start" "-a" "1402c54211395ff0b63c54b04b1cc1d567bed9504499425872f841da38d87033", kill_on_drop: false }`
[INFO] [stderr]     Checking base64_light v0.1.5
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking generic-array v0.14.9
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking generic-array v1.3.5
[INFO] [stderr]     Checking sha256 v1.6.0
[INFO] [stderr]     Checking matroskin v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `username` is never read
[INFO] [stdout]   --> src/actor.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub username: Account,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]   --> src/actor.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub tx: tokio::sync::mpsc::Sender<ActorMessage>,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `username` is never read
[INFO] [stdout]   --> src/actor.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub username: Account,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]   --> src/actor.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub tx: tokio::sync::mpsc::Sender<ActorMessage>,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `username` is never read
[INFO] [stdout]   --> src/auth_data.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     username: Account,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `username` is never read
[INFO] [stdout]   --> src/auth_data.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     username: Account,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.22s
[INFO] running `Command { std: "docker" "inspect" "1402c54211395ff0b63c54b04b1cc1d567bed9504499425872f841da38d87033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1402c54211395ff0b63c54b04b1cc1d567bed9504499425872f841da38d87033", kill_on_drop: false }`
[INFO] [stdout] 1402c54211395ff0b63c54b04b1cc1d567bed9504499425872f841da38d87033