[INFO] fetching crate ddc-i2c 0.2.1...
[INFO] testing ddc-i2c-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ddc-i2c 0.2.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate ddc-i2c 0.2.1 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 ddc-i2c 0.2.1
[INFO] finished tweaking crates.io crate ddc-i2c 0.2.1
[INFO] tweaked toml for crates.io crate ddc-i2c 0.2.1 written to /workspace/builds/worker-96/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] 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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 905c1f1bf61d420018240bff3a26a3162ef4683601d8fa3902098caa02b7cc0c
[INFO] running `Command { std: "docker" "start" "-a" "905c1f1bf61d420018240bff3a26a3162ef4683601d8fa3902098caa02b7cc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905c1f1bf61d420018240bff3a26a3162ef4683601d8fa3902098caa02b7cc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905c1f1bf61d420018240bff3a26a3162ef4683601d8fa3902098caa02b7cc0c", kill_on_drop: false }`
[INFO] [stdout] 905c1f1bf61d420018240bff3a26a3162ef4683601d8fa3902098caa02b7cc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 227f77c10392e995654ad33d1e3679cbeafb6d65c28cded7518917cdb3b76627
[INFO] running `Command { std: "docker" "start" "-a" "227f77c10392e995654ad33d1e3679cbeafb6d65c28cded7518917cdb3b76627", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling mccs v0.1.0
[INFO] [stderr]    Compiling i2c v0.1.0
[INFO] [stderr]    Compiling ddc v0.2.2
[INFO] [stderr]    Compiling resize-slice v0.1.3
[INFO] [stderr]    Compiling ddc-i2c v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:238:34
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Error::I2c(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:239:34
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Error::Ddc(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:245:34
[INFO] [stdout]     |
[INFO] [stdout] 245 |             Error::I2c(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:246:34
[INFO] [stdout]     |
[INFO] [stdout] 246 |             Error::Ddc(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "227f77c10392e995654ad33d1e3679cbeafb6d65c28cded7518917cdb3b76627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227f77c10392e995654ad33d1e3679cbeafb6d65c28cded7518917cdb3b76627", kill_on_drop: false }`
[INFO] [stdout] 227f77c10392e995654ad33d1e3679cbeafb6d65c28cded7518917cdb3b76627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 09ac9f8f297d2c0cfad8076fae17343f32072be080c029f00c41df35114c5eeb
[INFO] running `Command { std: "docker" "start" "-a" "09ac9f8f297d2c0cfad8076fae17343f32072be080c029f00c41df35114c5eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:238:34
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Error::I2c(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:239:34
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Error::Ddc(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:245:34
[INFO] [stdout]     |
[INFO] [stdout] 245 |             Error::I2c(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:246:34
[INFO] [stdout]     |
[INFO] [stdout] 246 |             Error::Ddc(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling edid v0.2.0
[INFO] [stderr]    Compiling ddc-i2c v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> examples/vcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ddc`
[INFO] [stdout]   --> examples/caps.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn ddc<D: Ddc>(mut ddc: D) where
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ddc`
[INFO] [stdout]  --> examples/vcp.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn ddc<D: Ddc>(mut ddc: D) where
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ddc`
[INFO] [stdout]   --> examples/edid.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn ddc<D: Edid>(mut ddc: D) -> Result<(), D::EdidError> where
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:238:34
[INFO] [stdout]     |
[INFO] [stdout] 238 |             Error::I2c(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:239:34
[INFO] [stdout]     |
[INFO] [stdout] 239 |             Error::Ddc(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:245:34
[INFO] [stdout]     |
[INFO] [stdout] 245 |             Error::I2c(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:246:34
[INFO] [stdout]     |
[INFO] [stdout] 246 |             Error::Ddc(ref e) => error::Error::cause(e),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "09ac9f8f297d2c0cfad8076fae17343f32072be080c029f00c41df35114c5eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ac9f8f297d2c0cfad8076fae17343f32072be080c029f00c41df35114c5eeb", kill_on_drop: false }`
[INFO] [stdout] 09ac9f8f297d2c0cfad8076fae17343f32072be080c029f00c41df35114c5eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] cc46603114eef60783c25b2ba1d967e4f48e6fad76a1ac760bfe651cbeb362f7
[INFO] running `Command { std: "docker" "start" "-a" "cc46603114eef60783c25b2ba1d967e4f48e6fad76a1ac760bfe651cbeb362f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:243:32
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |             Error::I2c(ref e) => error::Error::description(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:239:34
[INFO] [stderr]     |
[INFO] [stderr] 239 |             Error::Ddc(ref e) => error::Error::description(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:245:34
[INFO] [stderr]     |
[INFO] [stderr] 245 |             Error::I2c(ref e) => error::Error::cause(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:246:34
[INFO] [stderr]     |
[INFO] [stderr] 246 |             Error::Ddc(ref e) => error::Error::cause(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ddc`
[INFO] [stderr]   --> examples/edid.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn ddc<D: Edid>(mut ddc: D) -> Result<(), D::EdidError> where
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ddc`
[INFO] [stderr]   --> examples/caps.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn ddc<D: Ddc>(mut ddc: D) where
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> examples/vcp.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ddc`
[INFO] [stderr]  --> examples/vcp.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn ddc<D: Ddc>(mut ddc: D) where
[INFO] [stderr]   |    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:243:32
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:238:34
[INFO] [stderr]     |
[INFO] [stderr] 238 |             Error::I2c(ref e) => error::Error::description(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:239:34
[INFO] [stderr]     |
[INFO] [stderr] 239 |             Error::Ddc(ref e) => error::Error::description(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:245:34
[INFO] [stderr]     |
[INFO] [stderr] 245 |             Error::I2c(ref e) => error::Error::cause(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:246:34
[INFO] [stderr]     |
[INFO] [stderr] 246 |             Error::Ddc(ref e) => error::Error::cause(e),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ddc_i2c-85f7d06c0146db0e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ddc-i2c
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc46603114eef60783c25b2ba1d967e4f48e6fad76a1ac760bfe651cbeb362f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc46603114eef60783c25b2ba1d967e4f48e6fad76a1ac760bfe651cbeb362f7", kill_on_drop: false }`
[INFO] [stdout] cc46603114eef60783c25b2ba1d967e4f48e6fad76a1ac760bfe651cbeb362f7
