[INFO] cloning repository https://github.com/adriankumpf/abacom-relay-board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adriankumpf/abacom-relay-board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriankumpf%2Fabacom-relay-board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriankumpf%2Fabacom-relay-board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a53c0bcfff240521f1d9ab0d49e6d7f7025cb1
[INFO] testing adriankumpf/abacom-relay-board against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriankumpf%2Fabacom-relay-board" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adriankumpf/abacom-relay-board on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adriankumpf/abacom-relay-board
[INFO] finished tweaking git repo https://github.com/adriankumpf/abacom-relay-board
[INFO] tweaked toml for git repo https://github.com/adriankumpf/abacom-relay-board written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/adriankumpf/abacom-relay-board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eb4e39eb4570467dde15ef010ebaa2ca8da558b0b96bc850d6a94493fb4c7d6
[INFO] running `Command { std: "docker" "start" "-a" "6eb4e39eb4570467dde15ef010ebaa2ca8da558b0b96bc850d6a94493fb4c7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eb4e39eb4570467dde15ef010ebaa2ca8da558b0b96bc850d6a94493fb4c7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb4e39eb4570467dde15ef010ebaa2ca8da558b0b96bc850d6a94493fb4c7d6", kill_on_drop: false }`
[INFO] [stdout] 6eb4e39eb4570467dde15ef010ebaa2ca8da558b0b96bc850d6a94493fb4c7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84ab4b9df42c9ddf91e0203b78fb9c7cd135bedfdefcc04a84823d3647e3d39
[INFO] running `Command { std: "docker" "start" "-a" "e84ab4b9df42c9ddf91e0203b78fb9c7cd135bedfdefcc04a84823d3647e3d39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling rusb v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling arb v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "e84ab4b9df42c9ddf91e0203b78fb9c7cd135bedfdefcc04a84823d3647e3d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84ab4b9df42c9ddf91e0203b78fb9c7cd135bedfdefcc04a84823d3647e3d39", kill_on_drop: false }`
[INFO] [stdout] e84ab4b9df42c9ddf91e0203b78fb9c7cd135bedfdefcc04a84823d3647e3d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cf04fe10eba9dba01fa56776173b11d193b68bb342d7c24fc860dffb345fc22
[INFO] running `Command { std: "docker" "start" "-a" "1cf04fe10eba9dba01fa56776173b11d193b68bb342d7c24fc860dffb345fc22", kill_on_drop: false }`
[INFO] [stderr]    Compiling arb v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1cf04fe10eba9dba01fa56776173b11d193b68bb342d7c24fc860dffb345fc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf04fe10eba9dba01fa56776173b11d193b68bb342d7c24fc860dffb345fc22", kill_on_drop: false }`
[INFO] [stdout] 1cf04fe10eba9dba01fa56776173b11d193b68bb342d7c24fc860dffb345fc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68a2afa51a4346b7f2ce8b2171a74285574daf119803035b0e023a59909043bb
[INFO] running `Command { std: "docker" "start" "-a" "68a2afa51a4346b7f2ce8b2171a74285574daf119803035b0e023a59909043bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arb-c930c28799a42b54)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - set_status (line 188) ... FAILED
[INFO] [stdout] test src/lib.rs - reset (line 209) ... FAILED
[INFO] [stdout] test src/lib.rs - get_status (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - set_status (line 188) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:190:32
[INFO] [stdout]     |
[INFO] [stdout] 4   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_188_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 5   | | arb::set_status(55, true, None)?;
[INFO] [stdout]     | |                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 6   | | } _doctest_main_src_lib_rs_188_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, arb::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - reset (line 209) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_209_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | arb::reset(None)?;
[INFO] [stdout]     | |                 ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5   | | } _doctest_main_src_lib_rs_209_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, arb::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - reset (line 209)
[INFO] [stdout]     src/lib.rs - set_status (line 188)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "68a2afa51a4346b7f2ce8b2171a74285574daf119803035b0e023a59909043bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a2afa51a4346b7f2ce8b2171a74285574daf119803035b0e023a59909043bb", kill_on_drop: false }`
[INFO] [stdout] 68a2afa51a4346b7f2ce8b2171a74285574daf119803035b0e023a59909043bb