[INFO] fetching crate wei-docker-install 0.2.6...
[INFO] testing wei-docker-install-0.2.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate wei-docker-install 0.2.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wei-docker-install 0.2.6
[INFO] finished tweaking crates.io crate wei-docker-install 0.2.6
[INFO] tweaked toml for crates.io crate wei-docker-install 0.2.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wei-docker-install 0.2.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v5.0.1 (available: v6.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b01b4fb41f40e1efdd1815f3f079496d90542906038abf124518626e0628a88
[INFO] running `Command { std: "docker" "start" "-a" "1b01b4fb41f40e1efdd1815f3f079496d90542906038abf124518626e0628a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b01b4fb41f40e1efdd1815f3f079496d90542906038abf124518626e0628a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b01b4fb41f40e1efdd1815f3f079496d90542906038abf124518626e0628a88", kill_on_drop: false }`
[INFO] [stdout] 1b01b4fb41f40e1efdd1815f3f079496d90542906038abf124518626e0628a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d68ab6480e4ae893846b3c363dc6e1b36aa876c6aa6fde1b186eb6f93896f3
[INFO] running `Command { std: "docker" "start" "-a" "97d68ab6480e4ae893846b3c363dc6e1b36aa876c6aa6fde1b186eb6f93896f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling wei-log v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling wei-env v0.2.13
[INFO] [stderr]    Compiling wei-docker-install v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn check() -> f32 {
[INFO] [stdout]    |        -----      ^^^ expected `f32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wei-docker-install` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97d68ab6480e4ae893846b3c363dc6e1b36aa876c6aa6fde1b186eb6f93896f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d68ab6480e4ae893846b3c363dc6e1b36aa876c6aa6fde1b186eb6f93896f3", kill_on_drop: false }`
[INFO] [stdout] 97d68ab6480e4ae893846b3c363dc6e1b36aa876c6aa6fde1b186eb6f93896f3