[INFO] fetching crate panicdump 0.1.0... [INFO] checking panicdump-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate panicdump 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate panicdump 0.1.0 [INFO] finished tweaking crates.io crate panicdump 0.1.0 [INFO] tweaked toml for crates.io crate panicdump 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate panicdump 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding cortex-m v0.6.7 (available: v0.7.7) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e574cfb99cd3afeb0e21ada4cf29e4a6142031cbee75f3805a1818cdd95493b4 [INFO] running `Command { std: "docker" "start" "-a" "e574cfb99cd3afeb0e21ada4cf29e4a6142031cbee75f3805a1818cdd95493b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e574cfb99cd3afeb0e21ada4cf29e4a6142031cbee75f3805a1818cdd95493b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e574cfb99cd3afeb0e21ada4cf29e4a6142031cbee75f3805a1818cdd95493b4", kill_on_drop: false }` [INFO] [stdout] e574cfb99cd3afeb0e21ada4cf29e4a6142031cbee75f3805a1818cdd95493b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76af7f5fa2ddb170b1cf37c838c60245d98358af568c1f3e88a23b6af1716d7b [INFO] running `Command { std: "docker" "start" "-a" "76af7f5fa2ddb170b1cf37c838c60245d98358af568c1f3e88a23b6af1716d7b", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking aligned v0.3.5 [INFO] [stderr] Checking panicdump v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/lib.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | / fn panic(info: &PanicInfo) -> ! [INFO] [stdout] 38 | | { [INFO] [stdout] 39 | | interrupt::disable(); [INFO] [stdout] 40 | | writeln!(RAM { offset: 0 }, "{}", info).ok(); [INFO] [stdout] 41 | | loop {} [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-182371ab76f58e7c.rlib [INFO] [stdout] = note: second definition in the local crate (`panicdump`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `panicdump` (lib test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | (&mut __sbss as *mut u8).offset(self.offset as isize), [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [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: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(static_mut_refs)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 27 | (&raw mut __sbss as *mut u8).offset(self.offset as isize), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `panicdump` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "76af7f5fa2ddb170b1cf37c838c60245d98358af568c1f3e88a23b6af1716d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76af7f5fa2ddb170b1cf37c838c60245d98358af568c1f3e88a23b6af1716d7b", kill_on_drop: false }` [INFO] [stdout] 76af7f5fa2ddb170b1cf37c838c60245d98358af568c1f3e88a23b6af1716d7b