[INFO] fetching crate can2040 0.1.5...
[INFO] checking can2040-0.1.5 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate can2040 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate can2040 0.1.5 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate can2040 0.1.5
[INFO] finished tweaking crates.io crate can2040 0.1.5
[INFO] tweaked toml for crates.io crate can2040 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate can2040 0.1.5 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446ff2981db2cc7f7f2ac0880c3a8f0693744137d329220c3c40e2c9e1d33a77
[INFO] running `Command { std: "docker" "start" "-a" "446ff2981db2cc7f7f2ac0880c3a8f0693744137d329220c3c40e2c9e1d33a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446ff2981db2cc7f7f2ac0880c3a8f0693744137d329220c3c40e2c9e1d33a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446ff2981db2cc7f7f2ac0880c3a8f0693744137d329220c3c40e2c9e1d33a77", kill_on_drop: false }`
[INFO] [stdout] 446ff2981db2cc7f7f2ac0880c3a8f0693744137d329220c3c40e2c9e1d33a77
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eb75cc971936866fd45e0e6ebd30c849a4ca9e2fbf8c16fe1915527f979a75a
[INFO] running `Command { std: "docker" "start" "-a" "1eb75cc971936866fd45e0e6ebd30c849a4ca9e2fbf8c16fe1915527f979a75a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling defmt v0.3.6
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling crc-any v2.4.4
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling defmt-macros v0.3.7
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling rp-pico v0.9.0
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking alloc-cortex-m v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking frunk v0.4.2
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking pio v0.2.1
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]    Compiling can2040 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rp2040-hal v0.10.1
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:190:33
[INFO] [stdout]     |
[INFO] [stdout] 190 |             if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:224:33
[INFO] [stdout]     |
[INFO] [stdout] 224 |             if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |         if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         assert!(CBUS.is_none());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let cbus = CBUS.as_mut().unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:190:33
[INFO] [stdout]     |
[INFO] [stdout] 190 |             if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:224:33
[INFO] [stdout]     |
[INFO] [stdout] 224 |             if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |         if let Some(cbus) = CBUS.as_mut() {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         assert!(CBUS.is_none());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/core.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let cbus = CBUS.as_mut().unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `can2040` (example "can2040_demo") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1eb75cc971936866fd45e0e6ebd30c849a4ca9e2fbf8c16fe1915527f979a75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb75cc971936866fd45e0e6ebd30c849a4ca9e2fbf8c16fe1915527f979a75a", kill_on_drop: false }`
[INFO] [stdout] 1eb75cc971936866fd45e0e6ebd30c849a4ca9e2fbf8c16fe1915527f979a75a
