[INFO] fetching crate mcp4x 0.2.0...
[INFO] testing mcp4x-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mcp4x 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcp4x 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp4x 0.2.0
[INFO] finished tweaking crates.io crate mcp4x 0.2.0
[INFO] tweaked toml for crates.io crate mcp4x 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mcp4x 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aac81b4fa1a63205eeebcd9e35ee67781f3f070b6400603ed86d449b8365ea2
[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" "7aac81b4fa1a63205eeebcd9e35ee67781f3f070b6400603ed86d449b8365ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aac81b4fa1a63205eeebcd9e35ee67781f3f070b6400603ed86d449b8365ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aac81b4fa1a63205eeebcd9e35ee67781f3f070b6400603ed86d449b8365ea2", kill_on_drop: false }`
[INFO] [stdout] 7aac81b4fa1a63205eeebcd9e35ee67781f3f070b6400603ed86d449b8365ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 08ea085c736168d3762ece09f541a8bb7b9c42980cd551186b3cddd7999920d0
[INFO] running `Command { std: "docker" "start" "-a" "08ea085c736168d3762ece09f541a8bb7b9c42980cd551186b3cddd7999920d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling mcp4x v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "08ea085c736168d3762ece09f541a8bb7b9c42980cd551186b3cddd7999920d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ea085c736168d3762ece09f541a8bb7b9c42980cd551186b3cddd7999920d0", kill_on_drop: false }`
[INFO] [stdout] 08ea085c736168d3762ece09f541a8bb7b9c42980cd551186b3cddd7999920d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 3325b1763141b665dd3abb08438b6117de8cea9917548b13474556000628a1e0
[INFO] running `Command { std: "docker" "start" "-a" "3325b1763141b665dd3abb08438b6117de8cea9917548b13474556000628a1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling spidev v0.4.1
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling mcp4x v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp4x-68558207ef8c651e)
[INFO] [stderr]   Executable tests/interface.rs (/opt/rustwide/target/debug/deps/interface-b61e5f397e382664)
[INFO] running `Command { std: "docker" "inspect" "3325b1763141b665dd3abb08438b6117de8cea9917548b13474556000628a1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3325b1763141b665dd3abb08438b6117de8cea9917548b13474556000628a1e0", kill_on_drop: false }`
[INFO] [stdout] 3325b1763141b665dd3abb08438b6117de8cea9917548b13474556000628a1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccb545a4652ebbf657a686768f83ef687e83c15e3d85a953727a43a5415b4885
[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" "ccb545a4652ebbf657a686768f83ef687e83c15e3d85a953727a43a5415b4885", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp4x-68558207ef8c651e)
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/interface.rs (/opt/rustwide/target/debug/deps/interface-b61e5f397e382664)
[INFO] [stdout] test commands::tests::can_set_position_ch1 ... ok
[INFO] [stdout] test commands::tests::can_shutdown_ch_0 ... ok
[INFO] [stdout] test commands::tests::can_set_position_ch0 ... ok
[INFO] [stdout] test commands::tests::can_shutdown_ch_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test mcp41x::set_position_all ... ok
[INFO] [stdout] test mcp41x::set_position_cannot_provide_invalid_channel ... ok
[INFO] [stdout] test mcp41x::set_position_ch0 ... ok
[INFO] [stdout] test mcp42x::set_position_ch1 ... ok
[INFO] [stdout] test mcp41x::wrong_channel_matches ... ok
[INFO] [stdout] test mcp42x::set_position_all ... ok
[INFO] [stdout] test mcp42x::shutdown_ch0 ... ok
[INFO] [stdout] test mcp41x::shutdown_all ... ok
[INFO] [stdout] test mcp41x::shutdown_cannot_provide_invalid_channel_ch1 ... ok
[INFO] [stdout] test mcp42x::shutdown_all ... ok
[INFO] [stdout] test mcp42x::shutdown_ch1 ... ok
[INFO] [stdout] test mcp41x::shutdown_ch0 ... ok
[INFO] [stdout] test mcp42x::set_position_ch0 ... ok
[INFO] [stderr]    Doc-tests mcp4x
[INFO] [stdout] test mcp41x::wrong_channel_can_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 53) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 99) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 85) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 70) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccb545a4652ebbf657a686768f83ef687e83c15e3d85a953727a43a5415b4885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb545a4652ebbf657a686768f83ef687e83c15e3d85a953727a43a5415b4885", kill_on_drop: false }`
[INFO] [stdout] ccb545a4652ebbf657a686768f83ef687e83c15e3d85a953727a43a5415b4885