[INFO] cloning repository https://github.com/letorresdev/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letorresdev/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d2b9a1bc9124b91e5e3a2db662cb39daae32b0
[INFO] checking letorresdev/rust-examples/64d2b9a1bc9124b91e5e3a2db662cb39daae32b0 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/letorresdev/rust-examples
[INFO] finished tweaking git repo https://github.com/letorresdev/rust-examples
[INFO] tweaked toml for git repo https://github.com/letorresdev/rust-examples written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/letorresdev/rust-examples on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/letorresdev/rust-examples 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded aws-types v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-query v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-xml v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.55.1
[INFO] [stderr]   Downloaded aws-endpoint v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-async v0.55.1
[INFO] [stderr]   Downloaded aws-http v0.55.1
[INFO] [stderr]   Downloaded aws-credential-types v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-json v0.55.1
[INFO] [stderr]   Downloaded aws-sig-auth v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-types v0.55.1
[INFO] [stderr]   Downloaded aws-sigv4 v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-http v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-client v0.55.1
[INFO] [stderr]   Downloaded aws-sdk-sso v0.26.0
[INFO] [stderr]   Downloaded aws-config v0.55.1
[INFO] [stderr]   Downloaded aws-sdk-sts v0.26.0
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded aws-sdk-dynamodb v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e
[INFO] running `Command { std: "docker" "start" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking bytes-utils v0.1.3
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking socket2 v0.4.9
[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" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e", kill_on_drop: false }`
[INFO] [stdout] fc64763a9335743fa1fd040338f5515a16e1a4c9aa68c28abb2ad282aa4fa98e
