[INFO] fetching crate embassy-ssd1306 0.7.0...
[INFO] testing embassy-ssd1306-0.7.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate embassy-ssd1306 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate embassy-ssd1306 0.7.0
[INFO] finished tweaking crates.io crate embassy-ssd1306 0.7.0
[INFO] tweaked toml for crates.io crate embassy-ssd1306 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embassy-ssd1306 0.7.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate embassy-ssd1306 0.7.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01
[INFO] running `Command { std: "docker" "start" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.2
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling embassy-time v0.5.1
[INFO] [stderr]    Compiling embassy-ssd1306 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embassy-time v0.5.1
[INFO] [stderr]    Compiling embassy-ssd1306 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/embassy-ssd1306/593bc7986f16464c/out/embassy_ssd1306-593bc7986f16464c)
[INFO] [stderr]    Doc-tests embassy_ssd1306
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 27) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 | let mut oled = Ssd1306::new(i2c, 0x3C);
[INFO] [stdout]    |                             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_27_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 32 | oled.init().await.unwrap();
[INFO] [stdout]    |             ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_27_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 36 | oled.flush().await.unwrap();
[INFO] [stdout]    |              ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.19s; merged doctests compilation took 0.12s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01", kill_on_drop: false }`
[INFO] [stdout] 7d5fca2d52a9d13985329514afa799633e51cb8f93aef4f268ccf778cef4da01
