[INFO] fetching crate irq 0.2.3...
[INFO] checking irq-0.2.3 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate irq 0.2.3 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate irq 0.2.3 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2686b810dd16a4ad638e45cc2bc025df195dc069f1ca266fb6e109b62e16a8da
[INFO] running `Command { std: "docker" "start" "-a" "2686b810dd16a4ad638e45cc2bc025df195dc069f1ca266fb6e109b62e16a8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2686b810dd16a4ad638e45cc2bc025df195dc069f1ca266fb6e109b62e16a8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2686b810dd16a4ad638e45cc2bc025df195dc069f1ca266fb6e109b62e16a8da", kill_on_drop: false }`
[INFO] [stdout] 2686b810dd16a4ad638e45cc2bc025df195dc069f1ca266fb6e109b62e16a8da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc90a0cb9fc682b28407937f90ecbe433a2b1ef12685374766cba77602aa3cf
[INFO] running `Command { std: "docker" "start" "-a" "4cc90a0cb9fc682b28407937f90ecbe433a2b1ef12685374766cba77602aa3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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] [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] [stderr] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:318:18","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:349:18","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:318:18","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [stderr] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:349:18","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:483:44","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [stderr] [FMTARGS] {"crate":"irq","loc":"src/lib.rs:484:44","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [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" "4cc90a0cb9fc682b28407937f90ecbe433a2b1ef12685374766cba77602aa3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc90a0cb9fc682b28407937f90ecbe433a2b1ef12685374766cba77602aa3cf", kill_on_drop: false }`
[INFO] [stdout] 4cc90a0cb9fc682b28407937f90ecbe433a2b1ef12685374766cba77602aa3cf