[INFO] fetching crate pwr-hd44780 0.1.3... [INFO] testing pwr-hd44780-0.1.3 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate pwr-hd44780 0.1.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate pwr-hd44780 0.1.3 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate pwr-hd44780 0.1.3 [INFO] finished tweaking crates.io crate pwr-hd44780 0.1.3 [INFO] tweaked toml for crates.io crate pwr-hd44780 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 67582922d104a26c1aad5056dfe8405181fabde386be2fb3006228c585fb31d5 [INFO] running `"docker" "start" "-a" "67582922d104a26c1aad5056dfe8405181fabde386be2fb3006228c585fb31d5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rppal v0.2.0 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Compiling pwr-hd44780 v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | bus: Box, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(bus: Box, width: usize, height: usize) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_ex(bus: Box, properties: Properties) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:21:51 [INFO] [stderr] | [INFO] [stderr] 21 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `"docker" "inspect" "67582922d104a26c1aad5056dfe8405181fabde386be2fb3006228c585fb31d5"` [INFO] running `"docker" "rm" "-f" "67582922d104a26c1aad5056dfe8405181fabde386be2fb3006228c585fb31d5"` [INFO] [stdout] 67582922d104a26c1aad5056dfe8405181fabde386be2fb3006228c585fb31d5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 859a52ed1bfcf565951bb33bd963dd715d84c4fb47d94f627009c6f1ae174bf3 [INFO] running `"docker" "start" "-a" "859a52ed1bfcf565951bb33bd963dd715d84c4fb47d94f627009c6f1ae174bf3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling pwr-hd44780 v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | bus: Box, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(bus: Box, width: usize, height: usize) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_ex(bus: Box, properties: Properties) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:21:51 [INFO] [stderr] | [INFO] [stderr] 21 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | bus: Box, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(bus: Box, width: usize, height: usize) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_ex(bus: Box, properties: Properties) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:21:51 [INFO] [stderr] | [INFO] [stderr] 21 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "859a52ed1bfcf565951bb33bd963dd715d84c4fb47d94f627009c6f1ae174bf3"` [INFO] running `"docker" "rm" "-f" "859a52ed1bfcf565951bb33bd963dd715d84c4fb47d94f627009c6f1ae174bf3"` [INFO] [stdout] 859a52ed1bfcf565951bb33bd963dd715d84c4fb47d94f627009c6f1ae174bf3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0f020194a1d38d6296320d59ffd820b32e0883fa507e3e21bf4416d5fb9af4e1 [INFO] running `"docker" "start" "-a" "0f020194a1d38d6296320d59ffd820b32e0883fa507e3e21bf4416d5fb9af4e1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | bus: Box, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(bus: Box, width: usize, height: usize) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_ex(bus: Box, properties: Properties) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:21:51 [INFO] [stderr] | [INFO] [stderr] 21 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | bus: Box, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(bus: Box, width: usize, height: usize) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/frontends/direct.rs:40:28 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn new_ex(bus: Box, properties: Properties) -> Result { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Bus` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:21:51 [INFO] [stderr] | [INFO] [stderr] 21 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/pwr_hd44780-d3900c246ab2fe1e [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 [INFO] [stdout] [INFO] [stderr] Doc-tests pwr-hd44780 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - Hd44780::create_char (line 139) ... FAILED [INFO] [stdout] test src/lib.rs - Hd44780::print_char_at (line 60) ... FAILED [INFO] [stdout] test src/lib.rs - Hd44780::move_at (line 35) ... FAILED [INFO] [stdout] test src/lib.rs - Hd44780::print_char (line 50) ... FAILED [INFO] [stdout] test src/lib.rs - Hd44780::print (line 78) ... FAILED [INFO] [stdout] test src/lib.rs - Hd44780::print_at (line 98) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Hd44780::create_char (line 139) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:140:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.create_char(1, [ [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:151:1 [INFO] [stdout] | [INFO] [stdout] 14 | lcd.print_char(1); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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 - Hd44780::print_char_at (line 60) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.print_char_at(1, 0, 2); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 - Hd44780::move_at (line 35) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.move_at(2, 2); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 - Hd44780::print_char (line 50) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.print_char(2); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 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 - Hd44780::print (line 78) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.print("Hello World!"); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:80:1 [INFO] [stdout] | [INFO] [stdout] 4 | lcd.print(format!("Hello, {}!", someone)); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `someone` in this scope [INFO] [stdout] --> src/lib.rs:80:33 [INFO] [stdout] | [INFO] [stdout] 4 | lcd.print(format!("Hello, {}!", someone)); [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [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 - Hd44780::print_at (line 98) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:99:1 [INFO] [stdout] | [INFO] [stdout] 3 | lcd.print_at(1, 0, "Hello World!"); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `lcd` in this scope [INFO] [stdout] --> src/lib.rs:100:1 [INFO] [stdout] | [INFO] [stdout] 4 | lcd.print_at(2, 0, format!("Hello, {}!", someone)); [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `someone` in this scope [INFO] [stdout] --> src/lib.rs:100:42 [INFO] [stdout] | [INFO] [stdout] 4 | lcd.print_at(2, 0, format!("Hello, {}!", someone)); [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [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 - Hd44780::create_char (line 139) [INFO] [stdout] src/lib.rs - Hd44780::move_at (line 35) [INFO] [stdout] src/lib.rs - Hd44780::print (line 78) [INFO] [stdout] src/lib.rs - Hd44780::print_at (line 98) [INFO] [stdout] src/lib.rs - Hd44780::print_char (line 50) [INFO] [stdout] src/lib.rs - Hd44780::print_char_at (line 60) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "0f020194a1d38d6296320d59ffd820b32e0883fa507e3e21bf4416d5fb9af4e1"` [INFO] running `"docker" "rm" "-f" "0f020194a1d38d6296320d59ffd820b32e0883fa507e3e21bf4416d5fb9af4e1"` [INFO] [stdout] 0f020194a1d38d6296320d59ffd820b32e0883fa507e3e21bf4416d5fb9af4e1