[INFO] fetching crate nrf52 0.4.1...
[INFO] testing nrf52-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nrf52 0.4.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate nrf52 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrf52 0.4.1
[INFO] finished tweaking crates.io crate nrf52 0.4.1
[INFO] tweaked toml for crates.io crate nrf52 0.4.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec7b36e9bad5f704b0860fc2d1d881af0b01f6a92e1a984903503288dba3703a
[INFO] running `Command { std: "docker" "start" "-a" "ec7b36e9bad5f704b0860fc2d1d881af0b01f6a92e1a984903503288dba3703a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7b36e9bad5f704b0860fc2d1d881af0b01f6a92e1a984903503288dba3703a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7b36e9bad5f704b0860fc2d1d881af0b01f6a92e1a984903503288dba3703a", kill_on_drop: false }`
[INFO] [stdout] ec7b36e9bad5f704b0860fc2d1d881af0b01f6a92e1a984903503288dba3703a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced128c034d548dd50ba87544a193cfe1714e58e85f9c296a7a7fe106326aa19
[INFO] running `Command { std: "docker" "start" "-a" "ced128c034d548dd50ba87544a193cfe1714e58e85f9c296a7a7fe106326aa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling nrf52 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]     --> src/lib.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "ced128c034d548dd50ba87544a193cfe1714e58e85f9c296a7a7fe106326aa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced128c034d548dd50ba87544a193cfe1714e58e85f9c296a7a7fe106326aa19", kill_on_drop: false }`
[INFO] [stdout] ced128c034d548dd50ba87544a193cfe1714e58e85f9c296a7a7fe106326aa19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9ae88550507b2d0c3a8fd142e7f10b235a0f75ad880407ba8304363d3f73c27
[INFO] running `Command { std: "docker" "start" "-a" "c9ae88550507b2d0c3a8fd142e7f10b235a0f75ad880407ba8304363d3f73c27", kill_on_drop: false }`
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]     --> src/lib.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nrf52 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]     --> src/lib.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 | #[allow(private_no_mangle_statics)]
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.03s
[INFO] running `Command { std: "docker" "inspect" "c9ae88550507b2d0c3a8fd142e7f10b235a0f75ad880407ba8304363d3f73c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ae88550507b2d0c3a8fd142e7f10b235a0f75ad880407ba8304363d3f73c27", kill_on_drop: false }`
[INFO] [stdout] c9ae88550507b2d0c3a8fd142e7f10b235a0f75ad880407ba8304363d3f73c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e7404641de27d69fdd203144bb10f96c5487e234b51ace41fe0006e72c2beaa
[INFO] running `Command { std: "docker" "start" "-a" "3e7404641de27d69fdd203144bb10f96c5487e234b51ace41fe0006e72c2beaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stderr]     --> src/lib.rs:1464:9
[INFO] [stderr]      |
[INFO] [stderr] 1464 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nrf52` (lib) generated 1 warning
[INFO] [stderr] warning: `nrf52` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nrf52-23db5971e5f9df85)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nrf52
[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] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stderr]     --> /opt/rustwide/workdir/src/lib.rs:1464:9
[INFO] [stderr]      |
[INFO] [stderr] 1464 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "3e7404641de27d69fdd203144bb10f96c5487e234b51ace41fe0006e72c2beaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7404641de27d69fdd203144bb10f96c5487e234b51ace41fe0006e72c2beaa", kill_on_drop: false }`
[INFO] [stdout] 3e7404641de27d69fdd203144bb10f96c5487e234b51ace41fe0006e72c2beaa