[INFO] crate ev3dev-lang-rust 0.4.1 is already in cache
[INFO] testing ev3dev-lang-rust-0.4.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ev3dev-lang-rust 0.4.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate ev3dev-lang-rust 0.4.1 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 ev3dev-lang-rust 0.4.1
[INFO] finished tweaking crates.io crate ev3dev-lang-rust 0.4.1
[INFO] tweaked toml for crates.io crate ev3dev-lang-rust 0.4.1 written to work/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 8e1943c5611ce9b72f25a2424eeab8b9250038d45aabf8e662d8e6817f357084
[INFO] running `"docker" "start" "-a" "8e1943c5611ce9b72f25a2424eeab8b9250038d45aabf8e662d8e6817f357084"`
[INFO] [stderr]    Compiling ev3dev-lang-rust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:118:66
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn find_name_by_port_and_driver(class_name: &str, port: &Port, driver_name: &str) -> Option<String> {
[INFO] [stderr]     |                                                                  ^^^^ help: use `dyn`: `dyn Port`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:142:55
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn find_name_by_port(class_name: &str, port: &Port) -> Option<String> {
[INFO] [stderr]     |                                                       ^^^^ help: use `dyn`: `dyn Port`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/driver.rs:66:31
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Ok(String::from(value.trim_right()))
[INFO] [stderr]    |                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "8e1943c5611ce9b72f25a2424eeab8b9250038d45aabf8e662d8e6817f357084"`
[INFO] running `"docker" "rm" "-f" "8e1943c5611ce9b72f25a2424eeab8b9250038d45aabf8e662d8e6817f357084"`
[INFO] [stdout] 8e1943c5611ce9b72f25a2424eeab8b9250038d45aabf8e662d8e6817f357084
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] b386c453cd63ecd6c2b3fcf92004905f31597fd6c282813cf326e3ab26d18ffa
[INFO] running `"docker" "start" "-a" "b386c453cd63ecd6c2b3fcf92004905f31597fd6c282813cf326e3ab26d18ffa"`
[INFO] [stderr]    Compiling ev3dev-lang-rust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:118:66
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn find_name_by_port_and_driver(class_name: &str, port: &Port, driver_name: &str) -> Option<String> {
[INFO] [stderr]     |                                                                  ^^^^ help: use `dyn`: `dyn Port`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/driver.rs:142:55
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn find_name_by_port(class_name: &str, port: &Port) -> Option<String> {
[INFO] [stderr]     |                                                       ^^^^ help: use `dyn`: `dyn Port`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/driver.rs:66:31
[INFO] [stderr]    |
[INFO] [stderr] 66 |         Ok(String::from(value.trim_right()))
[INFO] [stderr]    |                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "b386c453cd63ecd6c2b3fcf92004905f31597fd6c282813cf326e3ab26d18ffa"`
[INFO] running `"docker" "rm" "-f" "b386c453cd63ecd6c2b3fcf92004905f31597fd6c282813cf326e3ab26d18ffa"`
[INFO] [stdout] b386c453cd63ecd6c2b3fcf92004905f31597fd6c282813cf326e3ab26d18ffa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 9a5c7b9fa59a7190a62427a12b72589e411a50ec4a6e82cb88add4ca216afc2b
[INFO] running `"docker" "start" "-a" "9a5c7b9fa59a7190a62427a12b72589e411a50ec4a6e82cb88add4ca216afc2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ev3dev_lang_rust-e7f8f53b0f86ed68
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 ev3dev-lang-rust
[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" "9a5c7b9fa59a7190a62427a12b72589e411a50ec4a6e82cb88add4ca216afc2b"`
[INFO] running `"docker" "rm" "-f" "9a5c7b9fa59a7190a62427a12b72589e411a50ec4a6e82cb88add4ca216afc2b"`
[INFO] [stdout] 9a5c7b9fa59a7190a62427a12b72589e411a50ec4a6e82cb88add4ca216afc2b