[INFO] fetching crate cortex-m-semihosting 0.5.0... [INFO] checking cortex-m-semihosting-0.5.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate cortex-m-semihosting 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate cortex-m-semihosting 0.5.0 [INFO] finished tweaking crates.io crate cortex-m-semihosting 0.5.0 [INFO] tweaked toml for crates.io crate cortex-m-semihosting 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cortex-m-semihosting 0.5.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcafd19443263131a23d36fa0ca41f7a23eeca35d505cedf275cfe1549951be3 [INFO] running `Command { std: "docker" "start" "-a" "dcafd19443263131a23d36fa0ca41f7a23eeca35d505cedf275cfe1549951be3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcafd19443263131a23d36fa0ca41f7a23eeca35d505cedf275cfe1549951be3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcafd19443263131a23d36fa0ca41f7a23eeca35d505cedf275cfe1549951be3", kill_on_drop: false }` [INFO] [stdout] dcafd19443263131a23d36fa0ca41f7a23eeca35d505cedf275cfe1549951be3 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0052476caef344ed9b8e01fe13d390b762f79932e2b59b3f0fc3a0f629c6c248 [INFO] running `Command { std: "docker" "start" "-a" "0052476caef344ed9b8e01fe13d390b762f79932e2b59b3f0fc3a0f629c6c248", kill_on_drop: false }` [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] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m-semihosting v0.5.0 (/opt/rustwide/workdir) [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 semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `thumb` [INFO] [stdout] --> src/lib.rs:196:19 [INFO] [stdout] | [INFO] [stdout] 196 | #[cfg(all(thumb, not(feature = "no-semihosting")))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` to the top of the `build.rs` [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: `thumb` [INFO] [stdout] --> src/lib.rs:204:19 [INFO] [stdout] | [INFO] [stdout] 204 | #[cfg(all(thumb, feature = "no-semihosting"))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` 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: `thumb` [INFO] [stdout] --> src/lib.rs:206:19 [INFO] [stdout] | [INFO] [stdout] 206 | #[cfg(not(thumb))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` 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/export.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | if HSTDOUT.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | HSTDOUT.as_mut().unwrap().write_str(s).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | if HSTDOUT.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | HSTDOUT.as_mut().unwrap().write_fmt(args).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | if HSTDERR.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | HSTDERR.as_mut().unwrap().write_str(s).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | if HSTDERR.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | HSTDERR.as_mut().unwrap().write_fmt(args).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `thumb` [INFO] [stdout] --> src/lib.rs:196:19 [INFO] [stdout] | [INFO] [stdout] 196 | #[cfg(all(thumb, not(feature = "no-semihosting")))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` to the top of the `build.rs` [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: `thumb` [INFO] [stdout] --> src/lib.rs:204:19 [INFO] [stdout] | [INFO] [stdout] 204 | #[cfg(all(thumb, feature = "no-semihosting"))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` 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: `thumb` [INFO] [stdout] --> src/lib.rs:206:19 [INFO] [stdout] | [INFO] [stdout] 206 | #[cfg(not(thumb))] [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(thumb)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(thumb)");` 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/export.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | if HSTDOUT.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | HSTDOUT.as_mut().unwrap().write_str(s).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | if HSTDOUT.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | HSTDOUT.as_mut().unwrap().write_fmt(args).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | if HSTDERR.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | HSTDERR.as_mut().unwrap().write_str(s).map_err(drop) [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] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/export.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | if HSTDERR.is_none() { [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] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/export.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | HSTDERR.as_mut().unwrap().write_fmt(args).map_err(drop) [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "0052476caef344ed9b8e01fe13d390b762f79932e2b59b3f0fc3a0f629c6c248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0052476caef344ed9b8e01fe13d390b762f79932e2b59b3f0fc3a0f629c6c248", kill_on_drop: false }` [INFO] [stdout] 0052476caef344ed9b8e01fe13d390b762f79932e2b59b3f0fc3a0f629c6c248