[INFO] crate sysfs_gpio 0.5.4 is already in cache
[INFO] testing sysfs_gpio-0.5.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate sysfs_gpio 0.5.4 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate sysfs_gpio 0.5.4 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 sysfs_gpio 0.5.4
[INFO] finished tweaking crates.io crate sysfs_gpio 0.5.4
[INFO] tweaked toml for crates.io crate sysfs_gpio 0.5.4 written to work/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 411eaa3a3ddafc0570a51ddb9c2db4c1e33848b0978a4a23426d65463c776135
[INFO] running `"docker" "start" "-a" "411eaa3a3ddafc0570a51ddb9c2db4c1e33848b0978a4a23426d65463c776135"`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 try!(self.unexport());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:182:51
[INFO] [stderr]     |
[INFO] [stderr] 182 |             .and_then(|filename_str| filename_str.trim_left_matches("gpio").parse::<u64>().ok())
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `"docker" "inspect" "411eaa3a3ddafc0570a51ddb9c2db4c1e33848b0978a4a23426d65463c776135"`
[INFO] running `"docker" "rm" "-f" "411eaa3a3ddafc0570a51ddb9c2db4c1e33848b0978a4a23426d65463c776135"`
[INFO] [stdout] 411eaa3a3ddafc0570a51ddb9c2db4c1e33848b0978a4a23426d65463c776135
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 162a9f5e91a30fee06d34e69b97d89ee19878a30d3348c95306380c16794fca7
[INFO] running `"docker" "start" "-a" "162a9f5e91a30fee06d34e69b97d89ee19878a30d3348c95306380c16794fca7"`
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 try!(self.unexport());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:182:51
[INFO] [stderr]     |
[INFO] [stderr] 182 |             .and_then(|filename_str| filename_str.trim_left_matches("gpio").parse::<u64>().ok())
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "162a9f5e91a30fee06d34e69b97d89ee19878a30d3348c95306380c16794fca7"`
[INFO] running `"docker" "rm" "-f" "162a9f5e91a30fee06d34e69b97d89ee19878a30d3348c95306380c16794fca7"`
[INFO] [stdout] 162a9f5e91a30fee06d34e69b97d89ee19878a30d3348c95306380c16794fca7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] a862f7298bc9f26d94f844ac971682e2bee9c5c20e7a5e4eab3011ec185ae82e
[INFO] running `"docker" "start" "-a" "a862f7298bc9f26d94f844ac971682e2bee9c5c20e7a5e4eab3011ec185ae82e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sysfs_gpio-f84e0377f098fc11
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test extract_pin_fom_path_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sysfs_gpio
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Pin::with_exported (line 199) ... ok
[INFO] [stdout] test src/lib.rs - Pin::export (line 251) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a862f7298bc9f26d94f844ac971682e2bee9c5c20e7a5e4eab3011ec185ae82e"`
[INFO] running `"docker" "rm" "-f" "a862f7298bc9f26d94f844ac971682e2bee9c5c20e7a5e4eab3011ec185ae82e"`
[INFO] [stdout] a862f7298bc9f26d94f844ac971682e2bee9c5c20e7a5e4eab3011ec185ae82e