[INFO] fetching crate mcp9808 0.1.0...
[INFO] checking mcp9808-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[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 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 389df57282aeeb3b6aeebee893ea6b88f04f50317e934f9763a2663e4a5bde92
[INFO] running `"docker" "start" "-a" "389df57282aeeb3b6aeebee893ea6b88f04f50317e934f9763a2663e4a5bde92"`
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.1.3
[INFO] [stderr]     Checking mcp9808 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `core::num::Float`
[INFO] [stderr]  --> src/reg_temp_generic.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `abs` found for type `f32` in the current scope
[INFO] [stderr]   --> src/reg_temp_generic.rs:73:16
[INFO] [stderr]    |
[INFO] [stderr] 73 |         if val.abs() >= f32(RANGE_LIMIT) {
[INFO] [stderr]    |                ^^^ method not found in `f32`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::num::Float`
[INFO] [stderr]  --> src/reg_temp_generic.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `mcp9808`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `mcp9808`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "389df57282aeeb3b6aeebee893ea6b88f04f50317e934f9763a2663e4a5bde92"`
[INFO] running `"docker" "rm" "-f" "389df57282aeeb3b6aeebee893ea6b88f04f50317e934f9763a2663e4a5bde92"`
[INFO] [stdout] 389df57282aeeb3b6aeebee893ea6b88f04f50317e934f9763a2663e4a5bde92