[INFO] crate pcf8591 0.1.1 is already in cache
[INFO] testing pcf8591-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate pcf8591 0.1.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate pcf8591 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pcf8591 0.1.1
[INFO] finished tweaking crates.io crate pcf8591 0.1.1
[INFO] tweaked toml for crates.io crate pcf8591 0.1.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c2d97957ef85c3af080eda0db57a3e1d55a524c9d6b7782d1514d2b7e305f369
[INFO] running `"docker" "start" "-a" "c2d97957ef85c3af080eda0db57a3e1d55a524c9d6b7782d1514d2b7e305f369"`
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling pcf8591 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:88:25
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let _ = try!(self.i2c.smbus_write_byte(control_byte));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 let _ = try!(self.i2c.smbus_read_byte()); // previous byte, unspecified
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `"docker" "inspect" "c2d97957ef85c3af080eda0db57a3e1d55a524c9d6b7782d1514d2b7e305f369"`
[INFO] running `"docker" "rm" "-f" "c2d97957ef85c3af080eda0db57a3e1d55a524c9d6b7782d1514d2b7e305f369"`
[INFO] [stdout] c2d97957ef85c3af080eda0db57a3e1d55a524c9d6b7782d1514d2b7e305f369
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b17d9c2c7326229b44218a670d5394ebd9841bfe5dbb7ac0bb72cc67ea9f95f4
[INFO] running `"docker" "start" "-a" "b17d9c2c7326229b44218a670d5394ebd9841bfe5dbb7ac0bb72cc67ea9f95f4"`
[INFO] [stderr]    Compiling pcf8591 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:88:25
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let _ = try!(self.i2c.smbus_write_byte(control_byte));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 let _ = try!(self.i2c.smbus_read_byte()); // previous byte, unspecified
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "b17d9c2c7326229b44218a670d5394ebd9841bfe5dbb7ac0bb72cc67ea9f95f4"`
[INFO] running `"docker" "rm" "-f" "b17d9c2c7326229b44218a670d5394ebd9841bfe5dbb7ac0bb72cc67ea9f95f4"`
[INFO] [stdout] b17d9c2c7326229b44218a670d5394ebd9841bfe5dbb7ac0bb72cc67ea9f95f4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] be16fd27774c2d250c4c7151553fd8c99a14583833c0cb3f99d6fb5e64bb5d94
[INFO] running `"docker" "start" "-a" "be16fd27774c2d250c4c7151553fd8c99a14583833c0cb3f99d6fb5e64bb5d94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pcf8591-2936476a16d48616
[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] [stderr]    Doc-tests pcf8591
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be16fd27774c2d250c4c7151553fd8c99a14583833c0cb3f99d6fb5e64bb5d94"`
[INFO] running `"docker" "rm" "-f" "be16fd27774c2d250c4c7151553fd8c99a14583833c0cb3f99d6fb5e64bb5d94"`
[INFO] [stdout] be16fd27774c2d250c4c7151553fd8c99a14583833c0cb3f99d6fb5e64bb5d94