[INFO] cloning repository https://github.com/yugonsan/KZG_Proof_of_Inclusion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yugonsan/KZG_Proof_of_Inclusion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonsan%2FKZG_Proof_of_Inclusion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonsan%2FKZG_Proof_of_Inclusion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0bb482acecf13e5ec129d19e320a0fbbe32e676
[INFO] checking yugonsan/KZG_Proof_of_Inclusion against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonsan%2FKZG_Proof_of_Inclusion" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/yugonsan/KZG_Proof_of_Inclusion
[INFO] finished tweaking git repo https://github.com/yugonsan/KZG_Proof_of_Inclusion
[INFO] tweaked toml for git repo https://github.com/yugonsan/KZG_Proof_of_Inclusion written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yugonsan/KZG_Proof_of_Inclusion on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yugonsan/KZG_Proof_of_Inclusion 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 ark-nonnative-field v0.3.0
[INFO] [stderr]   Downloaded ark-poly-commit v0.3.0
[INFO] [stderr]   Downloaded pest v2.6.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4737ea0d40107cdba0b60105956db88189098c8b3f2a0a9027aa8a4c32d61b4a
[INFO] running `Command { std: "docker" "start" "-a" "4737ea0d40107cdba0b60105956db88189098c8b3f2a0a9027aa8a4c32d61b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4737ea0d40107cdba0b60105956db88189098c8b3f2a0a9027aa8a4c32d61b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4737ea0d40107cdba0b60105956db88189098c8b3f2a0a9027aa8a4c32d61b4a", kill_on_drop: false }`
[INFO] [stdout] 4737ea0d40107cdba0b60105956db88189098c8b3f2a0a9027aa8a4c32d61b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15c25e24599ec7778b838aed92d2a829fa1c048ee62c18419de2ebfdc7f19e67
[INFO] running `Command { std: "docker" "start" "-a" "15c25e24599ec7778b838aed92d2a829fa1c048ee62c18419de2ebfdc7f19e67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking memoffset v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking tracing-core v0.1.30
[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]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[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" "15c25e24599ec7778b838aed92d2a829fa1c048ee62c18419de2ebfdc7f19e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c25e24599ec7778b838aed92d2a829fa1c048ee62c18419de2ebfdc7f19e67", kill_on_drop: false }`
[INFO] [stdout] 15c25e24599ec7778b838aed92d2a829fa1c048ee62c18419de2ebfdc7f19e67
