[INFO] fetching crate lcd_1602_i2c 0.2.1...
[INFO] testing lcd_1602_i2c-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate lcd_1602_i2c 0.2.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate lcd_1602_i2c 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcd_1602_i2c 0.2.1
[INFO] finished tweaking crates.io crate lcd_1602_i2c 0.2.1
[INFO] tweaked toml for crates.io crate lcd_1602_i2c 0.2.1 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f837c33d15c7b6da1f91c2b989bfb4a1ba0fdacba0b69c2176d43e373ed8c2b4
[INFO] running `Command { std: "docker" "start" "-a" "f837c33d15c7b6da1f91c2b989bfb4a1ba0fdacba0b69c2176d43e373ed8c2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f837c33d15c7b6da1f91c2b989bfb4a1ba0fdacba0b69c2176d43e373ed8c2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f837c33d15c7b6da1f91c2b989bfb4a1ba0fdacba0b69c2176d43e373ed8c2b4", kill_on_drop: false }`
[INFO] [stdout] f837c33d15c7b6da1f91c2b989bfb4a1ba0fdacba0b69c2176d43e373ed8c2b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe45b43d2a8319d3a90d1195671e12d2e82e14f327bdd1fe41f40225759b08cf
[INFO] running `Command { std: "docker" "start" "-a" "fe45b43d2a8319d3a90d1195671e12d2e82e14f327bdd1fe41f40225759b08cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling lcd_1602_i2c v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "fe45b43d2a8319d3a90d1195671e12d2e82e14f327bdd1fe41f40225759b08cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe45b43d2a8319d3a90d1195671e12d2e82e14f327bdd1fe41f40225759b08cf", kill_on_drop: false }`
[INFO] [stdout] fe45b43d2a8319d3a90d1195671e12d2e82e14f327bdd1fe41f40225759b08cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc036e73e5128eb06a84d9885df37202b825e3fdad70ecc63e4817f0bdbb147d
[INFO] running `Command { std: "docker" "start" "-a" "dc036e73e5128eb06a84d9885df37202b825e3fdad70ecc63e4817f0bdbb147d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcd_1602_i2c v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "dc036e73e5128eb06a84d9885df37202b825e3fdad70ecc63e4817f0bdbb147d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc036e73e5128eb06a84d9885df37202b825e3fdad70ecc63e4817f0bdbb147d", kill_on_drop: false }`
[INFO] [stdout] dc036e73e5128eb06a84d9885df37202b825e3fdad70ecc63e4817f0bdbb147d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b435b05cdaf7666d6dcd0748fc045d87811d730b526899249624869a459b7941
[INFO] running `Command { std: "docker" "start" "-a" "b435b05cdaf7666d6dcd0748fc045d87811d730b526899249624869a459b7941", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcd_1602_i2c-1c43c852b71e7e2d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests lcd_1602_i2c
[INFO] [stdout] test display_control::tests::display_on_sets_value ... ok
[INFO] [stdout] test display_control::tests::initial_value_zero ... ok
[INFO] [stdout] test display_control::tests::two_options_on ... ok
[INFO] [stdout] test display_control::tests::two_options_on_then_clear_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 - Lcd<I>::new (line 44) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Lcd<I>::new (line 44) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lcd`
[INFO] [stdout]  --> src/lib.rs:45:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lcd = Lcd::new(i2c_bus, address, rgb_address, &mut delay);
[INFO] [stdout]   |           ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lcd_1602_i2c::Lcd;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c_bus` in this scope
[INFO] [stdout]  --> src/lib.rs:45:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lcd = Lcd::new(i2c_bus, address, rgb_address, &mut delay);
[INFO] [stdout]   |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `address` in this scope
[INFO] [stdout]  --> src/lib.rs:45:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lcd = Lcd::new(i2c_bus, address, rgb_address, &mut delay);
[INFO] [stdout]   |                             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rgb_address` in this scope
[INFO] [stdout]  --> src/lib.rs:45:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lcd = Lcd::new(i2c_bus, address, rgb_address, &mut delay);
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `delay` in this scope
[INFO] [stdout]  --> src/lib.rs:45:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lcd = Lcd::new(i2c_bus, address, rgb_address, &mut delay);
[INFO] [stdout]   |                                                        ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[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 - Lcd<I>::new (line 44)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b435b05cdaf7666d6dcd0748fc045d87811d730b526899249624869a459b7941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b435b05cdaf7666d6dcd0748fc045d87811d730b526899249624869a459b7941", kill_on_drop: false }`
[INFO] [stdout] b435b05cdaf7666d6dcd0748fc045d87811d730b526899249624869a459b7941
