[INFO] fetching crate pwr-hd44780 0.1.3...
[INFO] testing pwr-hd44780-0.1.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pwr-hd44780 0.1.3 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate pwr-hd44780 0.1.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwr-hd44780 0.1.3
[INFO] finished tweaking crates.io crate pwr-hd44780 0.1.3
[INFO] tweaked toml for crates.io crate pwr-hd44780 0.1.3 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10b162ad8d55843772f48ccb6357f96cf36a42b58dc192d9a76388cc29fbdb01
[INFO] running `Command { std: "docker" "start" "-a" "10b162ad8d55843772f48ccb6357f96cf36a42b58dc192d9a76388cc29fbdb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b162ad8d55843772f48ccb6357f96cf36a42b58dc192d9a76388cc29fbdb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b162ad8d55843772f48ccb6357f96cf36a42b58dc192d9a76388cc29fbdb01", kill_on_drop: false }`
[INFO] [stdout] 10b162ad8d55843772f48ccb6357f96cf36a42b58dc192d9a76388cc29fbdb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4376da844aa84ef7a6e91027534a773bd9c6b58aded7f79a720b4d4f207ce03d
[INFO] running `Command { std: "docker" "start" "-a" "4376da844aa84ef7a6e91027534a773bd9c6b58aded7f79a720b4d4f207ce03d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rppal v0.2.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling pwr-hd44780 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bus: Box<Bus>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stdout]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stdout]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "4376da844aa84ef7a6e91027534a773bd9c6b58aded7f79a720b4d4f207ce03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4376da844aa84ef7a6e91027534a773bd9c6b58aded7f79a720b4d4f207ce03d", kill_on_drop: false }`
[INFO] [stdout] 4376da844aa84ef7a6e91027534a773bd9c6b58aded7f79a720b4d4f207ce03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9230ea50903a92de376c733a97a275ac2f96b5bdb5e8bd1febd77f358175169a
[INFO] running `Command { std: "docker" "start" "-a" "9230ea50903a92de376c733a97a275ac2f96b5bdb5e8bd1febd77f358175169a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bus: Box<Bus>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stdout]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stdout]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pwr-hd44780 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bus: Box<Bus>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stdout]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stdout]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "9230ea50903a92de376c733a97a275ac2f96b5bdb5e8bd1febd77f358175169a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9230ea50903a92de376c733a97a275ac2f96b5bdb5e8bd1febd77f358175169a", kill_on_drop: false }`
[INFO] [stdout] 9230ea50903a92de376c733a97a275ac2f96b5bdb5e8bd1febd77f358175169a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b4436a7b8920073342bc8312d3ea64e38c19ccb2bf21cf2cfd6e0bc93dd5a1b
[INFO] running `Command { std: "docker" "start" "-a" "4b4436a7b8920073342bc8312d3ea64e38c19ccb2bf21cf2cfd6e0bc93dd5a1b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     bus: Box<Bus>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stderr]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:51
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     bus: Box<Bus>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stderr]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frontends/direct.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:51
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pwr_hd44780-9e101556185c16d3)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pwr-hd44780
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Hd44780::create_char (line 139) ... FAILED
[INFO] [stdout] test src/lib.rs - Hd44780::print_char_at (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - Hd44780::print_char (line 50) ... FAILED
[INFO] [stdout] test src/lib.rs - Hd44780::move_at (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - Hd44780::print_at (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - Hd44780::print (line 78) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Hd44780::create_char (line 139) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:140:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.create_char(1, [
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]   --> src/lib.rs:151:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | lcd.print_char(1);
[INFO] [stdout]    | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Hd44780::print_char_at (line 60) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:61:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.print_char_at(1, 0, 2);
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Hd44780::print_char (line 50) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:51:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.print_char(2);
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Hd44780::move_at (line 35) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:36:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.move_at(2, 2);
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Hd44780::print_at (line 98) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:99:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.print_at(1, 0, "Hello World!");
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:100:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | lcd.print_at(2, 0, format!("Hello, {}!", someone));
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `someone` in this scope
[INFO] [stdout]  --> src/lib.rs:100:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | lcd.print_at(2, 0, format!("Hello, {}!", someone));
[INFO] [stdout]   |                                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Hd44780::print (line 78) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:79:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | lcd.print("Hello World!");
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:80:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | lcd.print(format!("Hello, {}!", someone));
[INFO] [stdout]   | ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `someone` in this scope
[INFO] [stdout]  --> src/lib.rs:80:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | lcd.print(format!("Hello, {}!", someone));
[INFO] [stdout]   |                                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Hd44780::create_char (line 139)
[INFO] [stdout]     src/lib.rs - Hd44780::move_at (line 35)
[INFO] [stdout]     src/lib.rs - Hd44780::print (line 78)
[INFO] [stdout]     src/lib.rs - Hd44780::print_at (line 98)
[INFO] [stdout]     src/lib.rs - Hd44780::print_char (line 50)
[INFO] [stdout]     src/lib.rs - Hd44780::print_char_at (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4b4436a7b8920073342bc8312d3ea64e38c19ccb2bf21cf2cfd6e0bc93dd5a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4436a7b8920073342bc8312d3ea64e38c19ccb2bf21cf2cfd6e0bc93dd5a1b", kill_on_drop: false }`
[INFO] [stdout] 4b4436a7b8920073342bc8312d3ea64e38c19ccb2bf21cf2cfd6e0bc93dd5a1b
