[INFO] cloning repository https://github.com/AhmedBoin/Rust_Secp256k1_ECC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AhmedBoin/Rust_Secp256k1_ECC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmedBoin%2FRust_Secp256k1_ECC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmedBoin%2FRust_Secp256k1_ECC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7def6815ffe16632be19c18bdcb0260f6a69291
[INFO] checking AhmedBoin/Rust_Secp256k1_ECC against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmedBoin%2FRust_Secp256k1_ECC" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AhmedBoin/Rust_Secp256k1_ECC
[INFO] finished tweaking git repo https://github.com/AhmedBoin/Rust_Secp256k1_ECC
[INFO] tweaked toml for git repo https://github.com/AhmedBoin/Rust_Secp256k1_ECC written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AhmedBoin/Rust_Secp256k1_ECC on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AhmedBoin/Rust_Secp256k1_ECC 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" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded keccak v0.1.4
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded constant_time_eq v0.2.4
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded arrayvec v0.7.2
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded secp256k1 v0.27.0
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded blake3 v1.3.3
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d
[INFO] running `Command { std: "docker" "start" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d", 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" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d", 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" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking constant_time_eq v0.2.4
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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] [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" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d", kill_on_drop: false }`
[INFO] [stdout] cc5f48cdc3e2fb24435910f1df8e91bfb451e0bf3ab54b0334f65b5304af051d
