[INFO] fetching crate mcp9808 0.1.0...
[INFO] checking mcp9808-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate mcp9808 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mcp9808 0.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp9808 0.1.0
[INFO] finished tweaking crates.io crate mcp9808 0.1.0
[INFO] tweaked toml for crates.io crate mcp9808 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d5efa6be1b3ae0157b4b02cd07f331ebcb0ff48b6182f4484f63b3cba05ea4e
[INFO] running `Command { std: "docker" "start" "-a" "3d5efa6be1b3ae0157b4b02cd07f331ebcb0ff48b6182f4484f63b3cba05ea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d5efa6be1b3ae0157b4b02cd07f331ebcb0ff48b6182f4484f63b3cba05ea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5efa6be1b3ae0157b4b02cd07f331ebcb0ff48b6182f4484f63b3cba05ea4e", kill_on_drop: false }`
[INFO] [stdout] 3d5efa6be1b3ae0157b4b02cd07f331ebcb0ff48b6182f4484f63b3cba05ea4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b233ee2c85167d48379de74036d562a212cd0bbfd2a5b38e37a50308fc2f15
[INFO] running `Command { std: "docker" "start" "-a" "c3b233ee2c85167d48379de74036d562a212cd0bbfd2a5b38e37a50308fc2f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking embedded-hal v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking mcp9808 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::num::Float`
[INFO] [stdout]  --> src/reg_temp_generic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::num::Float`
[INFO] [stdout]  --> src/reg_temp_generic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcp9808` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `abs` found for type `f32` in the current scope
[INFO] [stdout]   --> src/reg_temp_generic.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |         if val.abs() >= f32(RANGE_LIMIT) {
[INFO] [stdout]    |                ^^^ method not found in `f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c3b233ee2c85167d48379de74036d562a212cd0bbfd2a5b38e37a50308fc2f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b233ee2c85167d48379de74036d562a212cd0bbfd2a5b38e37a50308fc2f15", kill_on_drop: false }`
[INFO] [stdout] c3b233ee2c85167d48379de74036d562a212cd0bbfd2a5b38e37a50308fc2f15