[INFO] fetching crate wei-docker-install 0.2.6...
[INFO] testing wei-docker-install-0.2.6 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate wei-docker-install 0.2.6 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wei-docker-install 0.2.6 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to highest compatible versions
[INFO] [stderr]       Adding dirs v5.0.1 (available: v7.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wei-log v0.2.12
[INFO] [stderr]   Downloaded android_system_properties v0.1.6
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded wei-env v0.2.13
[INFO] [stderr]   Downloaded dirs v5.0.1
[INFO] [stderr]   Downloaded dirs-sys v0.4.1
[INFO] [stderr]   Downloaded libredox v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba
[INFO] running `Command { std: "docker" "start" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling encoding_rs v0.8.42
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling multiversion_no_op v1.0.0
[INFO] [stderr]    Compiling core_detect v1.0.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling wei-log v0.2.12
[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" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba", kill_on_drop: false }`
[INFO] [stdout] 87f6320207d77bc386a044c1eb1cb43c57418eaacba9d8317e677ec7970057ba
