[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] 2844a4443274c97e1396cd7c0e3d7291fb788d0e
[INFO] testing adriankumpf/abacom-relay-board against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriankumpf%2Fabacom-relay-board" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adriankumpf/abacom-relay-board on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32ef8e2892a89e44f5ad74b242987332f0e7efa53591914a5a411f25e8bcc7b3
[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" "32ef8e2892a89e44f5ad74b242987332f0e7efa53591914a5a411f25e8bcc7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ef8e2892a89e44f5ad74b242987332f0e7efa53591914a5a411f25e8bcc7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ef8e2892a89e44f5ad74b242987332f0e7efa53591914a5a411f25e8bcc7b3", kill_on_drop: false }`
[INFO] [stdout] 32ef8e2892a89e44f5ad74b242987332f0e7efa53591914a5a411f25e8bcc7b3
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e0e310823b841005c8b00c23f87c09cd9a2b5e5c4b0de50192cbb67465d8edf
[INFO] running `Command { std: "docker" "start" "-a" "7e0e310823b841005c8b00c23f87c09cd9a2b5e5c4b0de50192cbb67465d8edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling rusb v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libusb1-sys v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling arb v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.49s
[INFO] running `Command { std: "docker" "inspect" "7e0e310823b841005c8b00c23f87c09cd9a2b5e5c4b0de50192cbb67465d8edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0e310823b841005c8b00c23f87c09cd9a2b5e5c4b0de50192cbb67465d8edf", kill_on_drop: false }`
[INFO] [stdout] 7e0e310823b841005c8b00c23f87c09cd9a2b5e5c4b0de50192cbb67465d8edf
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14e7abb7d45bffb5c12ca977e19677ace3dc44ebf155580f1c75c050345a7118
[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" "14e7abb7d45bffb5c12ca977e19677ace3dc44ebf155580f1c75c050345a7118", kill_on_drop: false }`
[INFO] [stderr]    Compiling arb v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "14e7abb7d45bffb5c12ca977e19677ace3dc44ebf155580f1c75c050345a7118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e7abb7d45bffb5c12ca977e19677ace3dc44ebf155580f1c75c050345a7118", kill_on_drop: false }`
[INFO] [stdout] 14e7abb7d45bffb5c12ca977e19677ace3dc44ebf155580f1c75c050345a7118
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73e17b68c158724c638adc18ea93ddd40ccf74082f3eb9ec7118496e0d77de52
[INFO] running `Command { std: "docker" "start" "-a" "73e17b68c158724c638adc18ea93ddd40ccf74082f3eb9ec7118496e0d77de52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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]      Running unittests (/opt/rustwide/target/debug/deps/arb-e4bcc2467e0c80d8)
[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 1.42s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "73e17b68c158724c638adc18ea93ddd40ccf74082f3eb9ec7118496e0d77de52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e17b68c158724c638adc18ea93ddd40ccf74082f3eb9ec7118496e0d77de52", kill_on_drop: false }`
[INFO] [stdout] 73e17b68c158724c638adc18ea93ddd40ccf74082f3eb9ec7118496e0d77de52