[INFO] crate ufire_ec 0.9.2 is already in cache
[INFO] extracting crate ufire_ec 0.9.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/ufire_ec/0.9.2
[INFO] extracting crate ufire_ec 0.9.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ufire_ec/0.9.2
[INFO] validating manifest of ufire_ec-0.9.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ufire_ec-0.9.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ufire_ec-0.9.2
[INFO] finished frobbing ufire_ec-0.9.2
[INFO] frobbed toml for ufire_ec-0.9.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/ufire_ec/0.9.2/Cargo.toml
[INFO] started frobbing ufire_ec-0.9.2
[INFO] finished frobbing ufire_ec-0.9.2
[INFO] frobbed toml for ufire_ec-0.9.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ufire_ec/0.9.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building ufire_ec-0.9.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ufire_ec/0.9.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] a7da47bacceb15c6d3bef1124e92c1ef672e03f451fd4a018b93fe0ce5be810c
[INFO] running `"docker" "start" "-a" "a7da47bacceb15c6d3bef1124e92c1ef672e03f451fd4a018b93fe0ce5be810c"`
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling ufire_ec v0.9.2 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `PSU_TO_PPT_CONVERSION`
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | const PSU_TO_PPT_CONVERSION: f32 = 1.004715;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `"docker" "inspect" "a7da47bacceb15c6d3bef1124e92c1ef672e03f451fd4a018b93fe0ce5be810c"`
[INFO] running `"docker" "rm" "-f" "a7da47bacceb15c6d3bef1124e92c1ef672e03f451fd4a018b93fe0ce5be810c"`
[INFO] [stdout] a7da47bacceb15c6d3bef1124e92c1ef672e03f451fd4a018b93fe0ce5be810c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/ufire_ec/0.9.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 87557a2cf5faaebf113ca6c154cd53363111701930e330e95aa237154fd10494
[INFO] running `"docker" "start" "-a" "87557a2cf5faaebf113ca6c154cd53363111701930e330e95aa237154fd10494"`
[INFO] [stderr]    Compiling ufire_ec v0.9.2 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `PSU_TO_PPT_CONVERSION`
[INFO] [stderr]   --> src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | const PSU_TO_PPT_CONVERSION: f32 = 1.004715;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "87557a2cf5faaebf113ca6c154cd53363111701930e330e95aa237154fd10494"`
[INFO] running `"docker" "rm" "-f" "87557a2cf5faaebf113ca6c154cd53363111701930e330e95aa237154fd10494"`
[INFO] [stdout] 87557a2cf5faaebf113ca6c154cd53363111701930e330e95aa237154fd10494