[INFO] fetching crate mks-servo42 0.2.0...
[INFO] testing mks-servo42-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate mks-servo42 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mks-servo42 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mks-servo42 0.2.0
[INFO] tweaked toml for crates.io crate mks-servo42 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mks-servo42 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mks-servo42 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8ab4513baf83e5007e0fcc518d226f604663b3d1cd00d87f2c53b7900022d91
[INFO] running `Command { std: "docker" "start" "-a" "e8ab4513baf83e5007e0fcc518d226f604663b3d1cd00d87f2c53b7900022d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8ab4513baf83e5007e0fcc518d226f604663b3d1cd00d87f2c53b7900022d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ab4513baf83e5007e0fcc518d226f604663b3d1cd00d87f2c53b7900022d91", kill_on_drop: false }`
[INFO] [stdout] e8ab4513baf83e5007e0fcc518d226f604663b3d1cd00d87f2c53b7900022d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9c605d49f3bc999f5b98359556bd5d1d3089f8595f065fab825b7c600be266
[INFO] running `Command { std: "docker" "start" "-a" "2d9c605d49f3bc999f5b98359556bd5d1d3089f8595f065fab825b7c600be266", kill_on_drop: false }`
[INFO] [stderr]    Compiling mks-servo42 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InvalidValue` is never constructed
[INFO] [stdout]  --> src/response.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InvalidValue;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Response` is never used
[INFO] [stdout]  --> src/response.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Response {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Orientation` is never used
[INFO] [stdout]   --> src/direction.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Orientation {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "2d9c605d49f3bc999f5b98359556bd5d1d3089f8595f065fab825b7c600be266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9c605d49f3bc999f5b98359556bd5d1d3089f8595f065fab825b7c600be266", kill_on_drop: false }`
[INFO] [stdout] 2d9c605d49f3bc999f5b98359556bd5d1d3089f8595f065fab825b7c600be266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb24734247492163d56593e9c8c6f96a3f5d6beef36ecef00085c39b3fdffae4
[INFO] running `Command { std: "docker" "start" "-a" "cb24734247492163d56593e9c8c6f96a3f5d6beef36ecef00085c39b3fdffae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stdout] warning: struct `InvalidValue` is never constructed
[INFO] [stdout]  --> src/response.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InvalidValue;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Response` is never used
[INFO] [stdout]  --> src/response.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Response {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Orientation` is never used
[INFO] [stdout]   --> src/direction.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Orientation {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling mks-servo42 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InvalidValue` is never constructed
[INFO] [stdout]  --> src/response.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InvalidValue;
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Response` is never used
[INFO] [stdout]  --> src/response.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Response {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Orientation` is never used
[INFO] [stdout]   --> src/direction.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Orientation {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/desktop.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         s.write_all(b);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let _ = s.write_all(b);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "cb24734247492163d56593e9c8c6f96a3f5d6beef36ecef00085c39b3fdffae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb24734247492163d56593e9c8c6f96a3f5d6beef36ecef00085c39b3fdffae4", kill_on_drop: false }`
[INFO] [stdout] cb24734247492163d56593e9c8c6f96a3f5d6beef36ecef00085c39b3fdffae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17f4273088a4f0c46897f21ae2665d8350eb4d7bfb4861dffa4f0e7409febe01
[INFO] running `Command { std: "docker" "start" "-a" "17f4273088a4f0c46897f21ae2665d8350eb4d7bfb4861dffa4f0e7409febe01", kill_on_drop: false }`
[INFO] [stderr] warning: struct `InvalidValue` is never constructed
[INFO] [stderr]  --> src/response.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct InvalidValue;
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Response` is never used
[INFO] [stderr]  --> src/response.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Response {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Orientation` is never used
[INFO] [stderr]   --> src/direction.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Orientation {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mks-servo42` (lib) generated 3 warnings
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/desktop.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         s.write_all(b);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let _ = s.write_all(b);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mks-servo42` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `mks-servo42` (example "desktop") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mks_servo42-b1b7d847131a13d2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::checksums ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mks_servo42
[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] running `Command { std: "docker" "inspect" "17f4273088a4f0c46897f21ae2665d8350eb4d7bfb4861dffa4f0e7409febe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f4273088a4f0c46897f21ae2665d8350eb4d7bfb4861dffa4f0e7409febe01", kill_on_drop: false }`
[INFO] [stdout] 17f4273088a4f0c46897f21ae2665d8350eb4d7bfb4861dffa4f0e7409febe01