[INFO] fetching crate adafruit-lcd-backpack 0.1.2...
[INFO] testing adafruit-lcd-backpack-0.1.2 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate adafruit-lcd-backpack 0.1.2 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate adafruit-lcd-backpack 0.1.2 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mcp230xx v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a440f3da2b15168060bf9863e46ef91c7e2dfb5ea84c4b73e30b315c5ebfda4b
[INFO] running `Command { std: "docker" "start" "-a" "a440f3da2b15168060bf9863e46ef91c7e2dfb5ea84c4b73e30b315c5ebfda4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a440f3da2b15168060bf9863e46ef91c7e2dfb5ea84c4b73e30b315c5ebfda4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a440f3da2b15168060bf9863e46ef91c7e2dfb5ea84c4b73e30b315c5ebfda4b", kill_on_drop: false }`
[INFO] [stdout] a440f3da2b15168060bf9863e46ef91c7e2dfb5ea84c4b73e30b315c5ebfda4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53aa8d54826028f2a376a3d75f323dc54f96625ecf57ff5db2c197fa6189aa3
[INFO] running `Command { std: "docker" "start" "-a" "c53aa8d54826028f2a376a3d75f323dc54f96625ecf57ff5db2c197fa6189aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident 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 syn v2.0.114
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling num_enum v0.7.5
[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 7.51s
[INFO] running `Command { std: "docker" "inspect" "c53aa8d54826028f2a376a3d75f323dc54f96625ecf57ff5db2c197fa6189aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53aa8d54826028f2a376a3d75f323dc54f96625ecf57ff5db2c197fa6189aa3", kill_on_drop: false }`
[INFO] [stdout] c53aa8d54826028f2a376a3d75f323dc54f96625ecf57ff5db2c197fa6189aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58fdbda9d5770965baa39a57064b98da78fa2a9e236d9c5d965e0976358c6f32
[INFO] running `Command { std: "docker" "start" "-a" "58fdbda9d5770965baa39a57064b98da78fa2a9e236d9c5d965e0976358c6f32", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "58fdbda9d5770965baa39a57064b98da78fa2a9e236d9c5d965e0976358c6f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fdbda9d5770965baa39a57064b98da78fa2a9e236d9c5d965e0976358c6f32", kill_on_drop: false }`
[INFO] [stdout] 58fdbda9d5770965baa39a57064b98da78fa2a9e236d9c5d965e0976358c6f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d2e1d4c6018a0ce13d3b97053faba0e91c80ffe35f76ec7ac23ad95314fd3ca
[INFO] running `Command { std: "docker" "start" "-a" "4d2e1d4c6018a0ce13d3b97053faba0e91c80ffe35f76ec7ac23ad95314fd3ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[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] 24 | let i2c = ...;
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 24 - let i2c = ...;
[INFO] [stdout] 24 + let i2c = ..;
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 24 - let i2c = ...;
[INFO] [stdout] 24 + 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] 24 | 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] 24 - let i2c = ...;
[INFO] [stdout] 24 + let i2c = ..;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | let delay = ...;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 27 - let delay = ...;
[INFO] [stdout] 27 + let delay = ..;
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 27 - let delay = ...;
[INFO] [stdout] 27 + 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] 27 | 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] 27 - let delay = ...;
[INFO] [stdout] 27 + 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] 21 | 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] 42 | 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] 51 | 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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4d2e1d4c6018a0ce13d3b97053faba0e91c80ffe35f76ec7ac23ad95314fd3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2e1d4c6018a0ce13d3b97053faba0e91c80ffe35f76ec7ac23ad95314fd3ca", kill_on_drop: false }`
[INFO] [stdout] 4d2e1d4c6018a0ce13d3b97053faba0e91c80ffe35f76ec7ac23ad95314fd3ca
