[INFO] fetching crate melwallet-client 0.7.3...
[INFO] checking melwallet-client-0.7.3 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate melwallet-client 0.7.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate melwallet-client 0.7.3 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melwallet-client 0.7.3
[INFO] finished tweaking crates.io crate melwallet-client 0.7.3
[INFO] tweaked toml for crates.io crate melwallet-client 0.7.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate melwallet-client 0.7.3 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdcode v0.1.14
[INFO] [stderr]   Downloaded tmelcrypt v0.2.7
[INFO] [stderr]   Downloaded ed25519-consensus v1.2.1
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[INFO] [stderr]   Downloaded aes v0.6.0
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[INFO] [stderr]   Downloaded serde_repr v0.1.10
[INFO] [stderr]   Downloaded melstructs v0.3.2
[INFO] [stderr]   Downloaded melwalletd-prot v0.3.1
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded rpassword v7.2.0
[INFO] [stderr]   Downloaded cache-padded v1.2.0
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[INFO] [stderr]   Downloaded ethnum v1.3.2
[INFO] [stderr]   Downloaded melvm v0.1.0
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[INFO] [stderr]   Downloaded async-net v1.7.0
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[INFO] [stderr]   Downloaded pin-project v1.0.12
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[INFO] [stderr]   Downloaded generator v0.7.3
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[INFO] [stderr]   Downloaded curve25519-dalek-ng v4.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2099265132b24814346494a79c59d0a93df1418e6c738717624c34fd53411536
[INFO] running `Command { std: "docker" "start" "-a" "2099265132b24814346494a79c59d0a93df1418e6c738717624c34fd53411536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2099265132b24814346494a79c59d0a93df1418e6c738717624c34fd53411536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2099265132b24814346494a79c59d0a93df1418e6c738717624c34fd53411536", kill_on_drop: false }`
[INFO] [stdout] 2099265132b24814346494a79c59d0a93df1418e6c738717624c34fd53411536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28600ba1f1367f7f2b1b714e709d0b019e95fd1d94717d402deb9eba429d811
[INFO] running `Command { std: "docker" "start" "-a" "e28600ba1f1367f7f2b1b714e709d0b019e95fd1d94717d402deb9eba429d811", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 standback v0.2.17
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[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" "e28600ba1f1367f7f2b1b714e709d0b019e95fd1d94717d402deb9eba429d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28600ba1f1367f7f2b1b714e709d0b019e95fd1d94717d402deb9eba429d811", kill_on_drop: false }`
[INFO] [stdout] e28600ba1f1367f7f2b1b714e709d0b019e95fd1d94717d402deb9eba429d811
