[INFO] fetching crate adafruit-lcd-backpack 0.1.2...
[INFO] testing adafruit-lcd-backpack-0.1.2 against 1.90.0 for beta-1.91-2
[INFO] extracting crate adafruit-lcd-backpack 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate adafruit-lcd-backpack 0.1.2
[INFO] finished tweaking crates.io crate adafruit-lcd-backpack 0.1.2
[INFO] tweaked toml for crates.io crate adafruit-lcd-backpack 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate adafruit-lcd-backpack 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded mcp230xx v1.0.1
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21e52e35f877329b019fff0ba1c8897a78f7ec8d0444b2b32a317e270d8fcdd4
[INFO] running `Command { std: "docker" "start" "-a" "21e52e35f877329b019fff0ba1c8897a78f7ec8d0444b2b32a317e270d8fcdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e52e35f877329b019fff0ba1c8897a78f7ec8d0444b2b32a317e270d8fcdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e52e35f877329b019fff0ba1c8897a78f7ec8d0444b2b32a317e270d8fcdd4", kill_on_drop: false }`
[INFO] [stdout] 21e52e35f877329b019fff0ba1c8897a78f7ec8d0444b2b32a317e270d8fcdd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027a3ac6c226bb1fbe135cd47c45c48393f2224d5c9378fccbd8754c36a8eea6
[INFO] running `Command { std: "docker" "start" "-a" "027a3ac6c226bb1fbe135cd47c45c48393f2224d5c9378fccbd8754c36a8eea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling num_enum v0.7.4
[INFO] [stderr]    Compiling mcp230xx v1.0.1
[INFO] [stderr]    Compiling adafruit-lcd-backpack v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "027a3ac6c226bb1fbe135cd47c45c48393f2224d5c9378fccbd8754c36a8eea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027a3ac6c226bb1fbe135cd47c45c48393f2224d5c9378fccbd8754c36a8eea6", kill_on_drop: false }`
[INFO] [stdout] 027a3ac6c226bb1fbe135cd47c45c48393f2224d5c9378fccbd8754c36a8eea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a254df6df3a988bd5eaf8f970ce9ae60cdd3be4d97a2ec61e7ff8832284abde
[INFO] running `Command { std: "docker" "start" "-a" "7a254df6df3a988bd5eaf8f970ce9ae60cdd3be4d97a2ec61e7ff8832284abde", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "7a254df6df3a988bd5eaf8f970ce9ae60cdd3be4d97a2ec61e7ff8832284abde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a254df6df3a988bd5eaf8f970ce9ae60cdd3be4d97a2ec61e7ff8832284abde", kill_on_drop: false }`
[INFO] [stdout] 7a254df6df3a988bd5eaf8f970ce9ae60cdd3be4d97a2ec61e7ff8832284abde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a39b4b42313a083617f541d43a1907aaec048921ef8bd1cbc05948ecc085fc8a
[INFO] running `Command { std: "docker" "start" "-a" "a39b4b42313a083617f541d43a1907aaec048921ef8bd1cbc05948ecc085fc8a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]    Doc-tests adafruit_lcd_backpack
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 38) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | let i2c = ...;
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 11 - let i2c = ...;
[INFO] [stdout] 11 + let i2c = ..;
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 11 - let i2c = ...;
[INFO] [stdout] 11 + let i2c = ..=;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | let i2c = ...;
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout] 11 - let i2c = ...;
[INFO] [stdout] 11 + let i2c = ..;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | let delay = ...;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 - let delay = ...;
[INFO] [stdout] 14 + let delay = ..;
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 - let delay = ...;
[INFO] [stdout] 14 + let delay = ..=;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | let delay = ...;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout] 14 - let delay = ...;
[INFO] [stdout] 14 + let delay = ..;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `lcd_backpack`
[INFO] [stdout]  --> src/lib.rs:21:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use lcd_backpack::{LcdBackpack, LcdDisplayType};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `lcd_backpack`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `lcd_backpack`, use `cargo add lcd_backpack` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0586.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 38) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:42:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | if let Err(_e) = write!(lcd, "Hello, world!") {
[INFO] [stdout]   |                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 49) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope
[INFO] [stdout]  --> src/lib.rs:51:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | if let Err(_e) = write!(lcd.clear()?.home()?, "Hello, world!") {
[INFO] [stdout]   |                         ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout]     src/lib.rs - (line 38)
[INFO] [stdout]     src/lib.rs - (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a39b4b42313a083617f541d43a1907aaec048921ef8bd1cbc05948ecc085fc8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39b4b42313a083617f541d43a1907aaec048921ef8bd1cbc05948ecc085fc8a", kill_on_drop: false }`
[INFO] [stdout] a39b4b42313a083617f541d43a1907aaec048921ef8bd1cbc05948ecc085fc8a
