[INFO] fetching crate doless 0.4.2...
[INFO] checking doless-0.4.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate doless 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate doless 0.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate doless 0.4.2
[INFO] tweaked toml for crates.io crate doless 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate doless 0.4.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate doless 0.4.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db8970f405444864b6739a87fbe3cf81d824dd0fd2f96ebadd613d2bc8161cc
[INFO] running `Command { std: "docker" "start" "-a" "4db8970f405444864b6739a87fbe3cf81d824dd0fd2f96ebadd613d2bc8161cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db8970f405444864b6739a87fbe3cf81d824dd0fd2f96ebadd613d2bc8161cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db8970f405444864b6739a87fbe3cf81d824dd0fd2f96ebadd613d2bc8161cc", kill_on_drop: false }`
[INFO] [stdout] 4db8970f405444864b6739a87fbe3cf81d824dd0fd2f96ebadd613d2bc8161cc
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df164a2e3c3321bf34ac4bc90ff57dc4a2d2de6e72a487225208d31ea7c32c74
[INFO] running `Command { std: "docker" "start" "-a" "df164a2e3c3321bf34ac4bc90ff57dc4a2d2de6e72a487225208d31ea7c32c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling doless_macros v0.4.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking doless_core v0.4.2
[INFO] [stderr]     Checking doless v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/from_hashmap_test.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(FromHashMap, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `FromHashMap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doless` (test "from_hashmap_test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]   --> tests/cache_it_test.rs:44:60
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn set_with<T: Serialize>(&self, key: &str, value: &T, extra: u32) {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ttl_secs`
[INFO] [stdout]   --> tests/cache_it_test.rs:88:59
[INFO] [stdout]    |
[INFO] [stdout] 88 |     async fn set_with_ttl<T>(&self, key: &str, value: &T, ttl_secs: u64)
[INFO] [stdout]    |                                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ttl_secs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df164a2e3c3321bf34ac4bc90ff57dc4a2d2de6e72a487225208d31ea7c32c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df164a2e3c3321bf34ac4bc90ff57dc4a2d2de6e72a487225208d31ea7c32c74", kill_on_drop: false }`
[INFO] [stdout] df164a2e3c3321bf34ac4bc90ff57dc4a2d2de6e72a487225208d31ea7c32c74