[INFO] fetching crate irq 0.2.3...
[INFO] testing irq-0.2.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate irq 0.2.3 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate irq 0.2.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate irq 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2766b1230a5a0541ab6687682e66f2014fcfab07c3624f437a58611c64abaf99
[INFO] running `Command { std: "docker" "start" "-a" "2766b1230a5a0541ab6687682e66f2014fcfab07c3624f437a58611c64abaf99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2766b1230a5a0541ab6687682e66f2014fcfab07c3624f437a58611c64abaf99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2766b1230a5a0541ab6687682e66f2014fcfab07c3624f437a58611c64abaf99", kill_on_drop: false }`
[INFO] [stdout] 2766b1230a5a0541ab6687682e66f2014fcfab07c3624f437a58611c64abaf99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83a1c81bb881cffc3d9fe88d004da60dc08867818a0a426727396ddb9b31b013
[INFO] running `Command { std: "docker" "start" "-a" "83a1c81bb881cffc3d9fe88d004da60dc08867818a0a426727396ddb9b31b013", kill_on_drop: false }`
[INFO] [stderr]    Compiling irq v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/readme.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[doc = $e]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/readme.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "83a1c81bb881cffc3d9fe88d004da60dc08867818a0a426727396ddb9b31b013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a1c81bb881cffc3d9fe88d004da60dc08867818a0a426727396ddb9b31b013", kill_on_drop: false }`
[INFO] [stdout] 83a1c81bb881cffc3d9fe88d004da60dc08867818a0a426727396ddb9b31b013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5484f3fa629d914fc71632cabbce4e2fbd05a80e5ae71d7dc0aa57a0eb453f
[INFO] running `Command { std: "docker" "start" "-a" "4c5484f3fa629d914fc71632cabbce4e2fbd05a80e5ae71d7dc0aa57a0eb453f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/readme.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[doc = $e]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/readme.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling irq v0.2.3 (/opt/rustwide/workdir)
[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 unresolved module or unlinked crate `mock_pac`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `mock_pac`, use `cargo add mock_pac` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `i` is never read
[INFO] [stdout]   --> examples/mock-pac.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |     handler!(int0 = move || i += 1);
[INFO] [stdout]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> examples/mock-pac.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |     handler!(int0 = move || i += 1);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/mock-pac.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut i = 0;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/readme.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[doc = $e]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/readme.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 10 | doc!(include_str!("../README.md"));
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irq` (example "mock-pac") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4c5484f3fa629d914fc71632cabbce4e2fbd05a80e5ae71d7dc0aa57a0eb453f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5484f3fa629d914fc71632cabbce4e2fbd05a80e5ae71d7dc0aa57a0eb453f", kill_on_drop: false }`
[INFO] [stdout] 4c5484f3fa629d914fc71632cabbce4e2fbd05a80e5ae71d7dc0aa57a0eb453f
