[INFO] fetching crate ddc-i2c 0.2.1...
[INFO] checking ddc-i2c-0.2.1 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate ddc-i2c 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ddc-i2c 0.2.1 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b91958316809a82029c89b09a2aa42a4589223ff00164d36a2d3e4777b0cb8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9b91958316809a82029c89b09a2aa42a4589223ff00164d36a2d3e4777b0cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b91958316809a82029c89b09a2aa42a4589223ff00164d36a2d3e4777b0cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b91958316809a82029c89b09a2aa42a4589223ff00164d36a2d3e4777b0cb8", kill_on_drop: false }`
[INFO] [stdout] b9b91958316809a82029c89b09a2aa42a4589223ff00164d36a2d3e4777b0cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9cec2ef131a44a78020866abf24ffc19a669b9ebb96e154e9019ad11f7d80c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9cec2ef131a44a78020866abf24ffc19a669b9ebb96e154e9019ad11f7d80c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking ddc v0.2.1
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking edid v0.2.0
[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/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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "e9cec2ef131a44a78020866abf24ffc19a669b9ebb96e154e9019ad11f7d80c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cec2ef131a44a78020866abf24ffc19a669b9ebb96e154e9019ad11f7d80c1", kill_on_drop: false }`
[INFO] [stdout] e9cec2ef131a44a78020866abf24ffc19a669b9ebb96e154e9019ad11f7d80c1