[INFO] updating cached repository andygrove/hmc5883l-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andygrove/hmc5883l-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/hmc5883l-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/hmc5883l-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/hmc5883l-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/hmc5883l-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3af6381c47c0f2d4b41cffc77e7e0672072cf531
[INFO] sha for GitHub repo andygrove/hmc5883l-rs: 3af6381c47c0f2d4b41cffc77e7e0672072cf531
[INFO] validating manifest of andygrove/hmc5883l-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andygrove/hmc5883l-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andygrove/hmc5883l-rs
[INFO] finished frobbing andygrove/hmc5883l-rs
[INFO] frobbed toml for andygrove/hmc5883l-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs/Cargo.toml
[INFO] started frobbing andygrove/hmc5883l-rs
[INFO] finished frobbing andygrove/hmc5883l-rs
[INFO] frobbed toml for andygrove/hmc5883l-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/hmc5883l-rs/Cargo.toml
[INFO] crate andygrove/hmc5883l-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andygrove/hmc5883l-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f3ba82dd19c06ecbeb0bd26fb0f13c5dc27d70dcd88741a59e7d0a3d8ed0aae1
[INFO] running `"docker" "start" "-a" "f3ba82dd19c06ecbeb0bd26fb0f13c5dc27d70dcd88741a59e7d0a3d8ed0aae1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling hmc5883l v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.97s
[INFO] running `"docker" "inspect" "f3ba82dd19c06ecbeb0bd26fb0f13c5dc27d70dcd88741a59e7d0a3d8ed0aae1"`
[INFO] running `"docker" "rm" "-f" "f3ba82dd19c06ecbeb0bd26fb0f13c5dc27d70dcd88741a59e7d0a3d8ed0aae1"`
[INFO] [stdout] f3ba82dd19c06ecbeb0bd26fb0f13c5dc27d70dcd88741a59e7d0a3d8ed0aae1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cfd2540c30b42300880a502dd6f5b23fe160aa27d931a345d4c0dae51887f7bb
[INFO] running `"docker" "start" "-a" "cfd2540c30b42300880a502dd6f5b23fe160aa27d931a345d4c0dae51887f7bb"`
[INFO] [stderr]    Compiling hmc5883l v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `declination_angle`
[INFO] [stderr]   --> examples/magnetometer.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let declination_angle = 0.22; // you need to set this based on your location
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_declination_angle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "cfd2540c30b42300880a502dd6f5b23fe160aa27d931a345d4c0dae51887f7bb"`
[INFO] running `"docker" "rm" "-f" "cfd2540c30b42300880a502dd6f5b23fe160aa27d931a345d4c0dae51887f7bb"`
[INFO] [stdout] cfd2540c30b42300880a502dd6f5b23fe160aa27d931a345d4c0dae51887f7bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/hmc5883l-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 501745042ee5264fa812101123b897f21f1640af24b70ef53c678e394c913a35
[INFO] running `"docker" "start" "-a" "501745042ee5264fa812101123b897f21f1640af24b70ef53c678e394c913a35"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hmc5883l-5e9c7a450852f658
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests hmc5883l
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "501745042ee5264fa812101123b897f21f1640af24b70ef53c678e394c913a35"`
[INFO] running `"docker" "rm" "-f" "501745042ee5264fa812101123b897f21f1640af24b70ef53c678e394c913a35"`
[INFO] [stdout] 501745042ee5264fa812101123b897f21f1640af24b70ef53c678e394c913a35