[INFO] fetching crate axon-abi 0.0.1...
[INFO] checking axon-abi-0.0.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate axon-abi 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate axon-abi 0.0.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axon-abi 0.0.1
[INFO] finished tweaking crates.io crate axon-abi 0.0.1
[INFO] tweaked toml for crates.io crate axon-abi 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate axon-abi 0.0.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c956bd7737cf2020e9ff92522e497079bbfd061a4b5c4ef0d6d460f99dba7d74
[INFO] running `Command { std: "docker" "start" "-a" "c956bd7737cf2020e9ff92522e497079bbfd061a4b5c4ef0d6d460f99dba7d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c956bd7737cf2020e9ff92522e497079bbfd061a4b5c4ef0d6d460f99dba7d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c956bd7737cf2020e9ff92522e497079bbfd061a4b5c4ef0d6d460f99dba7d74", kill_on_drop: false }`
[INFO] [stdout] c956bd7737cf2020e9ff92522e497079bbfd061a4b5c4ef0d6d460f99dba7d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d72fef1f1f9e40549c1590148798c63be224c273820fe6d7d7770597c792e93
[INFO] running `Command { std: "docker" "start" "-a" "4d72fef1f1f9e40549c1590148798c63be224c273820fe6d7d7770597c792e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking der v0.7.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4d72fef1f1f9e40549c1590148798c63be224c273820fe6d7d7770597c792e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d72fef1f1f9e40549c1590148798c63be224c273820fe6d7d7770597c792e93", kill_on_drop: false }`
[INFO] [stdout] 4d72fef1f1f9e40549c1590148798c63be224c273820fe6d7d7770597c792e93
