[INFO] fetching crate stackdump-capture 0.5.0... [INFO] checking stackdump-capture-0.5.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate stackdump-capture 0.5.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate stackdump-capture 0.5.0 [INFO] finished tweaking crates.io crate stackdump-capture 0.5.0 [INFO] tweaked toml for crates.io crate stackdump-capture 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate stackdump-capture 0.5.0 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 10 packages to latest compatible versions [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stackdump-core v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 20d0dbd380dcbd45b5e9190cb105033a03bbc4fbc63afde7261e7cff3a308f75 [INFO] running `Command { std: "docker" "start" "-a" "20d0dbd380dcbd45b5e9190cb105033a03bbc4fbc63afde7261e7cff3a308f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20d0dbd380dcbd45b5e9190cb105033a03bbc4fbc63afde7261e7cff3a308f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20d0dbd380dcbd45b5e9190cb105033a03bbc4fbc63afde7261e7cff3a308f75", kill_on_drop: false }` [INFO] [stdout] 20d0dbd380dcbd45b5e9190cb105033a03bbc4fbc63afde7261e7cff3a308f75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 09774e19780cabf2d116414a496012ad8afe09814c5b4aea6945f5cb3e9ab9e9 [INFO] running `Command { std: "docker" "start" "-a" "09774e19780cabf2d116414a496012ad8afe09814c5b4aea6945f5cb3e9ab9e9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling stackdump-capture v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking stackdump-core v0.4.0 [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(not(feature = "std"), no_std)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `cortex_m` [INFO] [stdout] --> src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | #[cfg(any(cortex_m, doc, test))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(cortex_m)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(cortex_m)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(not(feature = "std"), no_std)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `cortex_m` [INFO] [stdout] --> src/lib.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | #[cfg(any(cortex_m, doc, test))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(cortex_m)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(cortex_m)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `has_fpu` [INFO] [stdout] --> src/cortex_m.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | #[cfg(not(has_fpu))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_fpu)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(has_fpu)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `has_fpu` [INFO] [stdout] --> src/cortex_m.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | #[cfg(has_fpu)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_fpu)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(has_fpu)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `has_fpu` [INFO] [stdout] --> src/cortex_m.rs:76:7 [INFO] [stdout] | [INFO] [stdout] 76 | #[cfg(has_fpu)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_fpu)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(has_fpu)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `cortex_m` [INFO] [stdout] --> src/cortex_m.rs:39:11 [INFO] [stdout] | [INFO] [stdout] 39 | #[cfg(cortex_m)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(cortex_m)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(cortex_m)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `cortex_m` [INFO] [stdout] --> src/cortex_m.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 49 | #[cfg(cortex_m)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(cortex_m)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(cortex_m)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/cortex_m.rs:142:18 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { &_stack_start as *const _ as u32 } [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [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] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { &raw const _stack_start as *const _ as u32 } [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.28s [INFO] running `Command { std: "docker" "inspect" "09774e19780cabf2d116414a496012ad8afe09814c5b4aea6945f5cb3e9ab9e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09774e19780cabf2d116414a496012ad8afe09814c5b4aea6945f5cb3e9ab9e9", kill_on_drop: false }` [INFO] [stdout] 09774e19780cabf2d116414a496012ad8afe09814c5b4aea6945f5cb3e9ab9e9