[INFO] fetching crate howmuch-rs 0.1.1...
[INFO] checking howmuch-rs-0.1.1 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate howmuch-rs 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate howmuch-rs 0.1.1 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate howmuch-rs 0.1.1
[INFO] finished tweaking crates.io crate howmuch-rs 0.1.1
[INFO] tweaked toml for crates.io crate howmuch-rs 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate howmuch-rs 0.1.1 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open-fastrlp-derive v0.1.1
[INFO] [stderr]   Downloaded primitive-types v0.12.1
[INFO] [stderr]   Downloaded scrypt v0.10.0
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[INFO] [stderr]   Downloaded ethers-etherscan v1.0.2
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[INFO] [stderr]   Downloaded ethers-contract v1.0.2
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded ethers-core v1.0.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded ethers-providers v1.0.2
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded rustls v0.20.7
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[INFO] [stderr]   Downloaded const-oid v0.9.1
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[INFO] [stderr]   Downloaded async-trait v0.1.59
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[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded ethabi v18.0.0
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded hyper-rustls v0.23.1
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[INFO] [stderr]   Downloaded dunce v1.0.3
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[INFO] [stderr]   Downloaded coins-bip39 v0.7.0
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[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0d152df759e3fc565356f99471f53953be11f7912fb0bbf995c9deb8f44c71
[INFO] running `Command { std: "docker" "start" "-a" "8a0d152df759e3fc565356f99471f53953be11f7912fb0bbf995c9deb8f44c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0d152df759e3fc565356f99471f53953be11f7912fb0bbf995c9deb8f44c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0d152df759e3fc565356f99471f53953be11f7912fb0bbf995c9deb8f44c71", kill_on_drop: false }`
[INFO] [stdout] 8a0d152df759e3fc565356f99471f53953be11f7912fb0bbf995c9deb8f44c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f992890e6ff4977307e2663209d14277ca09c58fab64da10376dfb82d127f1
[INFO] running `Command { std: "docker" "start" "-a" "45f992890e6ff4977307e2663209d14277ca09c58fab64da10376dfb82d127f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling log v0.4.17
[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" "45f992890e6ff4977307e2663209d14277ca09c58fab64da10376dfb82d127f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f992890e6ff4977307e2663209d14277ca09c58fab64da10376dfb82d127f1", kill_on_drop: false }`
[INFO] [stdout] 45f992890e6ff4977307e2663209d14277ca09c58fab64da10376dfb82d127f1
