[INFO] fetching crate un_algebra 0.9.0...
[INFO] testing un_algebra-0.9.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate un_algebra 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate un_algebra 0.9.0
[INFO] finished tweaking crates.io crate un_algebra 0.9.0
[INFO] tweaked toml for crates.io crate un_algebra 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate un_algebra 0.9.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate un_algebra 0.9.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded proptest-derive v0.1.2
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded proptest v0.9.4
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e07e7857be7ad3a14e20470e6a9e184a48479ad8697a70c42b49308c85865726
[INFO] running `Command { std: "docker" "start" "-a" "e07e7857be7ad3a14e20470e6a9e184a48479ad8697a70c42b49308c85865726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07e7857be7ad3a14e20470e6a9e184a48479ad8697a70c42b49308c85865726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07e7857be7ad3a14e20470e6a9e184a48479ad8697a70c42b49308c85865726", kill_on_drop: false }`
[INFO] [stdout] e07e7857be7ad3a14e20470e6a9e184a48479ad8697a70c42b49308c85865726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb1263d3c0ee8eed4890230f1e623fff3db2082d0d5494c56673be866879087
[INFO] running `Command { std: "docker" "start" "-a" "9fb1263d3c0ee8eed4890230f1e623fff3db2082d0d5494c56673be866879087", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling un_algebra v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85457> for more information
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]    --> src/lib.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | #![doc(include = "../doc/references.md")]
[INFO] [stdout]     | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../doc/references.md")]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/relation.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/inequality.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/equivalence.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/total_order.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/strict_order.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/relation/partial_order.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/magma/magma.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/magma/add_magma.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/magma/mul_magma.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/quasigroup/quasigroup.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/semigroup/semigroup.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/semigroup/add_semigroup.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/semigroup/mul_semigroup.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/monoid/monoid.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/monoid/add_monoid.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/monoid/mul_monoid.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/group/group.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/group/add_group.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/group/mul_group.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/com_group/com_group.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/com_group/add_com_group.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/com_group/mul_com_group.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/ring/ring.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/com_ring/com_ring.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `include`
[INFO] [stdout]   --> src/field/field.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![doc(include = "../../doc/references.md")]
[INFO] [stdout]    | -------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../../doc/references.md")]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `un_algebra` (lib) due to 27 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9fb1263d3c0ee8eed4890230f1e623fff3db2082d0d5494c56673be866879087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb1263d3c0ee8eed4890230f1e623fff3db2082d0d5494c56673be866879087", kill_on_drop: false }`
[INFO] [stdout] 9fb1263d3c0ee8eed4890230f1e623fff3db2082d0d5494c56673be866879087