[INFO] cloning repository https://github.com/Arm-Kaz/Anoma1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arm-Kaz/Anoma1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArm-Kaz%2FAnoma1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArm-Kaz%2FAnoma1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71ebeba805cda41847adf0123768b7878cdf6e36
[INFO] checking Arm-Kaz/Anoma1 against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArm-Kaz%2FAnoma1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Arm-Kaz/Anoma1
[INFO] finished tweaking git repo https://github.com/Arm-Kaz/Anoma1
[INFO] tweaked toml for git repo https://github.com/Arm-Kaz/Anoma1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arm-Kaz/Anoma1 on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arm-Kaz/Anoma1 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/borsh-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/rust-libp2p.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap/`
[INFO] [stderr]     Updating git repository `https://github.com/anoma/ferveo`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/sparse-merkle-tree`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/tendermint-rs`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/tower-abci`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/tower-abci`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/proptest`
[INFO] [stderr]     Updating git repository `https://github.com/marmeladema/clru-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/ibc-rs`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/ibc-rs`
[INFO] [stderr]     Updating git repository `https://github.com/heliaxdev/expectrl.git`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tracing/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded wat v1.0.44
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded loupe v0.1.3
[INFO] [stderr]   Downloaded madato v0.5.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.11
[INFO] [stderr]   Downloaded semver v1.0.10
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded jsonpath_lib v0.3.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.29.0
[INFO] [stderr]   Downloaded wasmer-vm v2.2.0
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded bytecheck v0.6.8
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded good_lp v1.3.2
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded vswhom-sys v0.1.1
[INFO] [stderr]   Downloaded curl v0.4.43
[INFO] [stderr]   Downloaded tungstenite v0.16.0
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded minilp v0.2.2
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded test-log v0.2.10
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded watchexec v1.15.0
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded hyper-proxy v0.9.1
[INFO] [stderr]   Downloaded wasmer-derive v2.2.0
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded ics23 v0.6.7
[INFO] [stderr]   Downloaded wasmer-types v2.2.0
[INFO] [stderr]   Downloaded wasmparser v0.83.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded async-tungstenite v0.12.0
[INFO] [stderr]   Downloaded rlimit v0.5.4
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.2.0
[INFO] [stderr]   Downloaded serde_repr v0.1.8
[INFO] [stderr]   Downloaded cranelift-frontend v0.76.0
[INFO] [stderr]   Downloaded gumdrop v0.8.1
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.29.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.4
[INFO] [stderr]   Downloaded cranelift-codegen v0.76.0
[INFO] [stderr]   Downloaded chacha20 v0.7.3
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.2.0
[INFO] [stderr]   Downloaded miracl_core v2.3.0
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded safe-regex-macro v0.2.5
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded safe-regex-compiler v0.2.5
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v2.2.0
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded chacha20 v0.8.1
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] [stderr]   Downloaded rend v0.3.6
[INFO] [stderr]   Downloaded hashbrown v0.12.1
[INFO] [stderr]   Downloaded concat-idents v1.1.3
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.2
[INFO] [stderr]   Downloaded measure_time v0.8.2
[INFO] [stderr]   Downloaded wasmparser v0.78.2
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded tower-make v0.3.0
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded safe-regex v0.2.5
[INFO] [stderr]   Downloaded dynasm v1.2.3
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded ed25519-consensus v1.2.1
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded curl-sys v0.4.55+curl-7.83.1
[INFO] [stderr]   Downloaded file-lock v2.1.4
[INFO] [stderr]   Downloaded integer-encoding v3.0.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.76.0
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded rkyv_derive v0.7.38
[INFO] [stderr]   Downloaded windows_i686_msvc v0.29.0
[INFO] [stderr]   Downloaded hdrhistogram v7.5.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.8
[INFO] [stderr]   Downloaded ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.76.0
[INFO] [stderr]   Downloaded safe-proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded safe-quote v1.0.15
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded wast v42.0.0
[INFO] [stderr]   Downloaded memmap2 v0.5.4
[INFO] [stderr]   Downloaded wasmer-compiler v2.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded salsa20 v0.8.1
[INFO] [stderr]   Downloaded soketto v0.4.2
[INFO] [stderr]   Downloaded bech32 v0.8.1
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.1
[INFO] [stderr]   Downloaded rust_decimal v1.24.0
[INFO] [stderr]   Downloaded wasm-encoder v0.13.0
[INFO] [stderr]   Downloaded wasmer-engine v2.2.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.76.0
[INFO] [stderr]   Downloaded wasmer-cache v2.2.0
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.2.0
[INFO] [stderr]   Downloaded loupe-derive v0.1.3
[INFO] [stderr]   Downloaded rkyv v0.7.38
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded serde_test v1.0.137
[INFO] [stderr]   Downloaded tiny_http v0.11.0
[INFO] [stderr]   Downloaded minicbor v0.8.1
[INFO] [stderr]   Downloaded headers v0.3.7
[INFO] [stderr]   Downloaded wasmer v2.2.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.29.0
[INFO] [stderr]   Downloaded pwasm-utils v0.18.2
[INFO] [stderr]   Downloaded sprs v0.7.1
[INFO] [stderr]   Downloaded region v3.0.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.29.0
[INFO] [stderr]   Downloaded byte-unit v4.0.14
[INFO] [stderr]   Downloaded file-serve v0.2.0
[INFO] [stderr]   Downloaded dynasmrt v1.2.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded cargo-watch v7.7.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded wasmer-object v2.2.0
[INFO] [stderr]   Downloaded ct-codecs v1.1.1
[INFO] [stderr]   Downloaded cranelift-entity v0.76.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.74
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded orion v0.16.1
[INFO] [stderr]   Downloaded filetime v0.2.16
[INFO] [stderr]   Downloaded websocket-base v0.26.2
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded nix v0.24.1
[INFO] [stderr]   Downloaded message-io v0.14.6
[INFO] [stderr]   Downloaded sysinfo v0.21.1
[INFO] [stderr]   Downloaded escargot v0.5.7
[INFO] [stderr]   Downloaded embed-resource v1.7.2
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded websocket v0.26.4
[INFO] [stderr]   Downloaded ptyprocess v0.3.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded mktemp v0.4.1
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded conpty v0.3.0
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded windows v0.29.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd402de9032775720b9b294a537aecfc8c6467639d0df64ded86f29352e7463
[INFO] running `Command { std: "docker" "start" "-a" "5cd402de9032775720b9b294a537aecfc8c6467639d0df64ded86f29352e7463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd402de9032775720b9b294a537aecfc8c6467639d0df64ded86f29352e7463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd402de9032775720b9b294a537aecfc8c6467639d0df64ded86f29352e7463", kill_on_drop: false }`
[INFO] [stdout] 5cd402de9032775720b9b294a537aecfc8c6467639d0df64ded86f29352e7463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c79488ecaeba11846bf13f1aeb2285d81b8a5327f2a3432f04ad22c0d73e0f8
[INFO] running `Command { std: "docker" "start" "-a" "3c79488ecaeba11846bf13f1aeb2285d81b8a5327f2a3432f04ad22c0d73e0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking typenum v1.15.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking instant v0.1.12
[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-1949cf8c6b5b557f/proc-macro2-1.0.39/src/wrapper.rs:485:33
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 485 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 485 +                 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-1949cf8c6b5b557f/proc-macro2-1.0.39/src/wrapper.rs:502:33
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 502 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 502 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking generic-array v0.14.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3c79488ecaeba11846bf13f1aeb2285d81b8a5327f2a3432f04ad22c0d73e0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c79488ecaeba11846bf13f1aeb2285d81b8a5327f2a3432f04ad22c0d73e0f8", kill_on_drop: false }`
[INFO] [stdout] 3c79488ecaeba11846bf13f1aeb2285d81b8a5327f2a3432f04ad22c0d73e0f8
