[INFO] fetching crate hd44780-ntb 0.0.6...
[INFO] testing hd44780-ntb-0.0.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hd44780-ntb 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hd44780-ntb 0.0.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hd44780-ntb 0.0.6
[INFO] finished tweaking crates.io crate hd44780-ntb 0.0.6
[INFO] tweaked toml for crates.io crate hd44780-ntb 0.0.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hd44780-ntb 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dcecdbadedc0d9f8783898e3442d0c326db791c590b2e26b22d9c763ddda292
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6dcecdbadedc0d9f8783898e3442d0c326db791c590b2e26b22d9c763ddda292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dcecdbadedc0d9f8783898e3442d0c326db791c590b2e26b22d9c763ddda292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcecdbadedc0d9f8783898e3442d0c326db791c590b2e26b22d9c763ddda292", kill_on_drop: false }`
[INFO] [stdout] 6dcecdbadedc0d9f8783898e3442d0c326db791c590b2e26b22d9c763ddda292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5785172c7903d43085b243df6622578363a65c5cd7873a0715cee141a38239d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5785172c7903d43085b243df6622578363a65c5cd7873a0715cee141a38239d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling hd44780-ntb v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "5785172c7903d43085b243df6622578363a65c5cd7873a0715cee141a38239d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5785172c7903d43085b243df6622578363a65c5cd7873a0715cee141a38239d8", kill_on_drop: false }`
[INFO] [stdout] 5785172c7903d43085b243df6622578363a65c5cd7873a0715cee141a38239d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f753c2f8c1f7b677fe82c5906e36d866078d6266c90eee4ee6c961b1c33181
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9f753c2f8c1f7b677fe82c5906e36d866078d6266c90eee4ee6c961b1c33181", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling spidev v0.4.0
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling hd44780-ntb v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "b9f753c2f8c1f7b677fe82c5906e36d866078d6266c90eee4ee6c961b1c33181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f753c2f8c1f7b677fe82c5906e36d866078d6266c90eee4ee6c961b1c33181", kill_on_drop: false }`
[INFO] [stdout] b9f753c2f8c1f7b677fe82c5906e36d866078d6266c90eee4ee6c961b1c33181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a03b8053733ef7cc068bd57147594399d7f6db727b83d3138aee949d29be2d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a03b8053733ef7cc068bd57147594399d7f6db727b83d3138aee949d29be2d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hd44780_ntb-b87d739ef9287338
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hd44780_driver-2e045320fca9a1d0
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests hd44780-ntb
[INFO] [stdout] test function_set_should_return_error_when_2_line_and_5_x_10_font ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::clear_display (line 116) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::cursor_shift (line 132) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::display_control (line 148) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::entry_mode_set (line 163) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::function_set (line 182) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::return_home (line 207) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::set_cg_ram_addr (line 224) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::HD44780::set_dd_ram_addr (line 241) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 8 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a03b8053733ef7cc068bd57147594399d7f6db727b83d3138aee949d29be2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a03b8053733ef7cc068bd57147594399d7f6db727b83d3138aee949d29be2d1", kill_on_drop: false }`
[INFO] [stdout] 3a03b8053733ef7cc068bd57147594399d7f6db727b83d3138aee949d29be2d1