[INFO] fetching crate irq 0.2.3...
[INFO] checking irq-0.2.3 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate irq 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate irq 0.2.3 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irq 0.2.3
[INFO] finished tweaking crates.io crate irq 0.2.3
[INFO] tweaked toml for crates.io crate irq 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate irq 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1950b1f4ebb70b0115676b40ef7a87ede9c22a1d00a394f61f961a5565110fbd
[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" "1950b1f4ebb70b0115676b40ef7a87ede9c22a1d00a394f61f961a5565110fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1950b1f4ebb70b0115676b40ef7a87ede9c22a1d00a394f61f961a5565110fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1950b1f4ebb70b0115676b40ef7a87ede9c22a1d00a394f61f961a5565110fbd", kill_on_drop: false }`
[INFO] [stdout] 1950b1f4ebb70b0115676b40ef7a87ede9c22a1d00a394f61f961a5565110fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815401f214b58451b40fb71e5cd4bf0833da67262c7fb84ce10b624198afe0bb
[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" "815401f214b58451b40fb71e5cd4bf0833da67262c7fb84ce10b624198afe0bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking irq v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stdout] error[E0432]: unresolved import `mock_pac`
[INFO] [stdout]  --> examples/mock-pac.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mock_pac::interrupt;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `mock_pac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `interrupt`
[INFO] [stdout]   --> examples/mock-pac.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use #[interrupt];
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irq`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "815401f214b58451b40fb71e5cd4bf0833da67262c7fb84ce10b624198afe0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815401f214b58451b40fb71e5cd4bf0833da67262c7fb84ce10b624198afe0bb", kill_on_drop: false }`
[INFO] [stdout] 815401f214b58451b40fb71e5cd4bf0833da67262c7fb84ce10b624198afe0bb