[INFO] cloning repository https://github.com/chungthuang/milp-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chungthuang/milp-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungthuang%2Fmilp-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungthuang%2Fmilp-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd1f5711fe618b62e0f0eaad211d5027f85f2196
[INFO] checking chungthuang/milp-solver against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungthuang%2Fmilp-solver" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungthuang/milp-solver on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] finished tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] tweaked toml for git repo https://github.com/chungthuang/milp-solver written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chungthuang/milp-solver 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/lib/parachain-client/Cargo.toml: `default-features` is ignored for sp-keyring, since `default-features` was not specified for `workspace.dependencies.sp-keyring`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/bin/server/Cargo.toml: `default-features` is ignored for uuid, since `default-features` was not specified for `workspace.dependencies.uuid`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/lib/solver/Cargo.toml: `default-features` is ignored for good_lp, since `default-features` was not specified for `workspace.dependencies.good_lp`, this could become a hard error in the future
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking chungthuang/milp-solver against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungthuang%2Fmilp-solver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungthuang/milp-solver on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] finished tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] tweaked toml for git repo https://github.com/chungthuang/milp-solver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chungthuang/milp-solver 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/lib/parachain-client/Cargo.toml: `default-features` is ignored for sp-keyring, since `default-features` was not specified for `workspace.dependencies.sp-keyring`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/bin/server/Cargo.toml: `default-features` is ignored for uuid, since `default-features` was not specified for `workspace.dependencies.uuid`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/lib/solver/Cargo.toml: `default-features` is ignored for good_lp, since `default-features` was not specified for `workspace.dependencies.good_lp`, this could become a hard error in the future
[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
[ERROR] error running command: no output for 300 seconds
[INFO] checking chungthuang/milp-solver against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchungthuang%2Fmilp-solver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chungthuang/milp-solver on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] finished tweaking git repo https://github.com/chungthuang/milp-solver
[INFO] tweaked toml for git repo https://github.com/chungthuang/milp-solver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chungthuang/milp-solver 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/lib/solver/Cargo.toml: `default-features` is ignored for good_lp, since `default-features` was not specified for `workspace.dependencies.good_lp`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/lib/parachain-client/Cargo.toml: `default-features` is ignored for sp-keyring, since `default-features` was not specified for `workspace.dependencies.sp-keyring`, this could become a hard error in the future
[INFO] [stderr] warning: /workspace/builds/worker-2-tc2/source/bin/server/Cargo.toml: `default-features` is ignored for uuid, since `default-features` was not specified for `workspace.dependencies.uuid`, this could become a hard error in the future
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constant_time_eq v0.2.5
[INFO] [stderr]   Downloaded scale-bits v0.3.0
[INFO] [stderr]   Downloaded sp-core-hashing v8.0.0
[INFO] [stderr]   Downloaded scale-info v2.5.0
[INFO] [stderr]   Downloaded subxt-codegen v0.28.0
[INFO] [stderr]   Downloaded sp-wasm-interface v13.0.0
[INFO] [stderr]   Downloaded wasmtime-jit v6.0.1
[INFO] [stderr]   Downloaded schnellru v0.2.1
[INFO] [stderr]   Downloaded blake2b_simd v1.0.1
[INFO] [stderr]   Downloaded sp-panic-handler v7.0.0
[INFO] [stderr]   Downloaded trie-root v0.18.0
[INFO] [stderr]   Downloaded sp-externalities v0.18.0
[INFO] [stderr]   Downloaded sp-io v22.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface v16.0.0
[INFO] [stderr]   Downloaded wasmtime-jit-debug v6.0.1
[INFO] [stderr]   Downloaded memory-db v0.32.0
[INFO] [stderr]   Downloaded sp-application-crypto v22.0.0
[INFO] [stderr]   Downloaded bounded-collections v0.1.5
[INFO] [stderr]   Downloaded ss58-registry v1.39.0
[INFO] [stderr]   Downloaded subxt v0.28.0
[INFO] [stderr]   Downloaded wasmtime v6.0.1
[INFO] [stderr]   Downloaded sha3 v0.10.7
[INFO] [stderr]   Downloaded trie-db v0.27.1
[INFO] [stderr]   Downloaded sp-trie v21.0.0
[INFO] [stderr]   Downloaded wasmparser v0.100.0
[INFO] [stderr]   Downloaded wasmtime-runtime v6.0.1
[INFO] [stderr]   Downloaded scale-encode-derive v0.1.2
[INFO] [stderr]   Downloaded wasmtime-types v6.0.1
[INFO] [stderr]   Downloaded sp-arithmetic v15.0.0
[INFO] [stderr]   Downloaded sp-storage v12.0.0
[INFO] [stderr]   Downloaded security-framework v2.8.1
[INFO] [stderr]   Downloaded lp-solvers v0.0.4
[INFO] [stderr]   Downloaded scale-decode v0.5.0
[INFO] [stderr]   Downloaded yap v0.10.0
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded sp-state-machine v0.27.0
[INFO] [stderr]   Downloaded subxt-metadata v0.28.0
[INFO] [stderr]   Downloaded coin_cbc_sys v0.1.2
[INFO] [stderr]   Downloaded wasmtime-asm-macros v6.0.1
[INFO] [stderr]   Downloaded good_lp v1.3.2
[INFO] [stderr]   Downloaded subxt-macro v0.28.0
[INFO] [stderr]   Downloaded hash-db v0.16.0
[INFO] [stderr]   Downloaded sp-keyring v23.0.0
[INFO] [stderr]   Downloaded wasmtime-environ v6.0.1
[INFO] [stderr]   Downloaded sp-debug-derive v7.0.0
[INFO] [stderr]   Downloaded cranelift-entity v0.93.1
[INFO] [stderr]   Downloaded sp-runtime v23.0.0
[INFO] [stderr]   Downloaded scale-decode-derive v0.5.0
[INFO] [stderr]   Downloaded sp-std v7.0.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded sp-tracing v9.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v10.0.0
[INFO] [stderr]   Downloaded scale-encode v0.1.2
[INFO] [stderr]   Downloaded scale-info-derive v2.5.0
[INFO] [stderr]   Downloaded scale-value v0.7.0
[INFO] [stderr]   Downloaded frame-metadata v15.1.0
[INFO] [stderr]   Downloaded sp-keystore v0.26.0
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v6.0.1
[INFO] [stderr]   Downloaded memfd v0.6.3
[INFO] [stderr]   Downloaded sp-core v20.0.0
[INFO] [stderr]   Downloaded jsonrpsee-http-client v0.16.2
[INFO] [stderr]   Downloaded coin_cbc v0.1.7
[INFO] [stderr]   Downloaded sp-weights v19.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c584e164f5cbad7aa2cbb2c4cda6d84d7595bf9636a5a49aadd8fe600d1e43
[INFO] running `Command { std: "docker" "start" "-a" "84c584e164f5cbad7aa2cbb2c4cda6d84d7595bf9636a5a49aadd8fe600d1e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c584e164f5cbad7aa2cbb2c4cda6d84d7595bf9636a5a49aadd8fe600d1e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c584e164f5cbad7aa2cbb2c4cda6d84d7595bf9636a5a49aadd8fe600d1e43", kill_on_drop: false }`
[INFO] [stdout] 84c584e164f5cbad7aa2cbb2c4cda6d84d7595bf9636a5a49aadd8fe600d1e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de41749c4841afb654545f4c1eff09aff1b72139141e739dfe4d56769af7afa
[INFO] running `Command { std: "docker" "start" "-a" "5de41749c4841afb654545f4c1eff09aff1b72139141e739dfe4d56769af7afa", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/bin/server/Cargo.toml: `default-features` is ignored for uuid, since `default-features` was not specified for `workspace.dependencies.uuid`, this could become a hard error in the future
[INFO] [stderr] warning: /opt/rustwide/workdir/lib/parachain-client/Cargo.toml: `default-features` is ignored for sp-keyring, since `default-features` was not specified for `workspace.dependencies.sp-keyring`, this could become a hard error in the future
[INFO] [stderr] warning: /opt/rustwide/workdir/lib/solver/Cargo.toml: `default-features` is ignored for good_lp, since `default-features` was not specified for `workspace.dependencies.good_lp`, this could become a hard error in the future
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/wrapper.rs:475:33
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 475 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/wrapper.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 489 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 489 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 tokio v1.27.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5de41749c4841afb654545f4c1eff09aff1b72139141e739dfe4d56769af7afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de41749c4841afb654545f4c1eff09aff1b72139141e739dfe4d56769af7afa", kill_on_drop: false }`
[INFO] [stdout] 5de41749c4841afb654545f4c1eff09aff1b72139141e739dfe4d56769af7afa