[INFO] fetching crate softposit 0.4.0... [INFO] building softposit-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate softposit 0.4.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate softposit 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate softposit 0.4.0 [INFO] tweaked toml for crates.io crate softposit 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate softposit 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate softposit 0.4.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paste v1.0.9 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded num-complex v0.4.2 [INFO] [stderr] Downloaded plotters-svg v0.3.3 [INFO] [stderr] Downloaded bytemuck v1.12.3 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded plotters-backend v0.3.4 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded once_cell v1.16.0 [INFO] [stderr] Downloaded rayon v1.6.0 [INFO] [stderr] Downloaded rayon-core v1.10.1 [INFO] [stderr] Downloaded plotters v0.3.4 [INFO] [stderr] Downloaded libm v0.2.6 [INFO] [stderr] Downloaded serde_json v1.0.89 [INFO] [stderr] Downloaded nalgebra v0.31.4 [INFO] [stderr] Downloaded itoa v1.0.4 [INFO] [stderr] Downloaded matrixmultiply v0.3.2 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [INFO] [stderr] Downloaded libc v0.2.138 [INFO] [stderr] Downloaded ryu v1.0.11 [INFO] [stderr] Downloaded serde_derive v1.0.148 [INFO] [stderr] Downloaded serde v1.0.148 [INFO] [stderr] Downloaded bumpalo v3.11.1 [INFO] [stderr] Downloaded web-sys v0.3.60 [INFO] [stderr] Downloaded num_cpus v1.14.0 [INFO] [stderr] Downloaded safe_arch v0.6.0 [INFO] [stderr] Downloaded wide v0.7.5 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded nalgebra-macros v0.1.0 [INFO] [stderr] Downloaded simba v0.7.3 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded syn v1.0.105 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eaa67bd5ae418d382c100d2ff5dcb367c4db4f17494c5e8896c72e5778758e10 [INFO] running `Command { std: "docker" "start" "-a" "eaa67bd5ae418d382c100d2ff5dcb367c4db4f17494c5e8896c72e5778758e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eaa67bd5ae418d382c100d2ff5dcb367c4db4f17494c5e8896c72e5778758e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaa67bd5ae418d382c100d2ff5dcb367c4db4f17494c5e8896c72e5778758e10", kill_on_drop: false }` [INFO] [stdout] eaa67bd5ae418d382c100d2ff5dcb367c4db4f17494c5e8896c72e5778758e10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78e7437fcbfe593db745fdf206bf363791fd4d1f26bb2761acfbb358d6cd8b40 [INFO] running `Command { std: "docker" "start" "-a" "78e7437fcbfe593db745fdf206bf363791fd4d1f26bb2761acfbb358d6cd8b40", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling softposit v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated constant `BITSIZE` is never used [INFO] [stdout] --> src/lib.rs:204:11 [INFO] [stdout] | [INFO] [stdout] 200 | trait RawFloat { [INFO] [stdout] | -------- associated constant in this trait [INFO] [stdout] ... [INFO] [stdout] 204 | const BITSIZE: u32; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:10:32 [INFO] [stdout] | [INFO] [stdout] 10 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | unsafe { transmute(exp_a + frac_a + ((sign_a as u32) << 24)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:122:22 [INFO] [stdout] | [INFO] [stdout] 122 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 56)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:224:32 [INFO] [stdout] | [INFO] [stdout] 224 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:262:32 [INFO] [stdout] | [INFO] [stdout] 262 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:316:22 [INFO] [stdout] | [INFO] [stdout] 316 | unsafe { transmute(exp_a + frac_a + ((sign_a as u32) << 16)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:340:22 [INFO] [stdout] | [INFO] [stdout] 340 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 48)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:11:32 [INFO] [stdout] | [INFO] [stdout] 11 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:107:22 [INFO] [stdout] | [INFO] [stdout] 107 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 32)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "78e7437fcbfe593db745fdf206bf363791fd4d1f26bb2761acfbb358d6cd8b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e7437fcbfe593db745fdf206bf363791fd4d1f26bb2761acfbb358d6cd8b40", kill_on_drop: false }` [INFO] [stdout] 78e7437fcbfe593db745fdf206bf363791fd4d1f26bb2761acfbb358d6cd8b40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4236d84a381b5ab8dac0c67490605a706ee99be2aca7990857b3e1b2bd8479ec [INFO] running `Command { std: "docker" "start" "-a" "4236d84a381b5ab8dac0c67490605a706ee99be2aca7990857b3e1b2bd8479ec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.148 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling serde v1.0.148 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling serde_json v1.0.89 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling os_str_bytes v6.4.1 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling itoa v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling ciborium-ll v0.2.0 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stdout] warning: associated constant `BITSIZE` is never used [INFO] [stdout] --> src/lib.rs:204:11 [INFO] [stdout] | [INFO] [stdout] 200 | trait RawFloat { [INFO] [stdout] | -------- associated constant in this trait [INFO] [stdout] ... [INFO] [stdout] 204 | const BITSIZE: u32; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:10:32 [INFO] [stdout] | [INFO] [stdout] 10 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | unsafe { transmute(exp_a + frac_a + ((sign_a as u32) << 24)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p8e0/convert.rs:122:22 [INFO] [stdout] | [INFO] [stdout] 122 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 56)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:224:32 [INFO] [stdout] | [INFO] [stdout] 224 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:262:32 [INFO] [stdout] | [INFO] [stdout] 262 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:316:22 [INFO] [stdout] | [INFO] [stdout] 316 | unsafe { transmute(exp_a + frac_a + ((sign_a as u32) << 16)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p16e1/convert.rs:340:22 [INFO] [stdout] | [INFO] [stdout] 340 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 48)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:11:32 [INFO] [stdout] | [INFO] [stdout] 11 | let ui: u32 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | let ui: u64 = unsafe { transmute(float) }; [INFO] [stdout] | ---------^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::to_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/p32e2/convert.rs:107:22 [INFO] [stdout] | [INFO] [stdout] 107 | unsafe { transmute(exp_a + frac_a + ((sign_a as u64) << 32)) } [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f64::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling plotters v0.3.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4236d84a381b5ab8dac0c67490605a706ee99be2aca7990857b3e1b2bd8479ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4236d84a381b5ab8dac0c67490605a706ee99be2aca7990857b3e1b2bd8479ec", kill_on_drop: false }` [INFO] [stdout] 4236d84a381b5ab8dac0c67490605a706ee99be2aca7990857b3e1b2bd8479ec