[INFO] fetching crate nym-mixnet-contract 1.4.0...
[INFO] checking nym-mixnet-contract-1.4.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate nym-mixnet-contract 1.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nym-mixnet-contract 1.4.0 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate nym-mixnet-contract 1.4.0
[INFO] finished tweaking crates.io crate nym-mixnet-contract 1.4.0
[INFO] tweaked toml for crates.io crate nym-mixnet-contract 1.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate nym-mixnet-contract 1.4.0 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 ...
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded vergen v7.4.3
[INFO] [stderr]   Downloaded enum-iterator v1.1.3
[INFO] [stderr]   Downloaded cw2 v0.13.4
[INFO] [stderr]   Downloaded cosmwasm-schema v1.0.0
[INFO] [stderr]   Downloaded cosmwasm-derive v1.0.0
[INFO] [stderr]   Downloaded forward_ref v1.0.0
[INFO] [stderr]   Downloaded enum-iterator-derive v1.2.0
[INFO] [stderr]   Downloaded nym-mixnet-contract-common v0.5.0
[INFO] [stderr]   Downloaded cosmwasm-storage v1.0.0
[INFO] [stderr]   Downloaded cosmwasm-crypto v1.2.4
[INFO] [stderr]   Downloaded cw-storage-plus v0.13.4
[INFO] [stderr]   Downloaded k256 v0.11.6
[INFO] [stderr]   Downloaded cosmwasm-std v1.0.0
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded serde-json-wasm v0.4.1
[INFO] [stderr]   Downloaded serde_repr v0.1.12
[INFO] [stderr]   Downloaded libgit2-sys v0.13.5+1.4.5
[INFO] [stderr]   Downloaded nym-vesting-contract-common v0.6.0
[INFO] [stderr]   Downloaded nym-contracts-common v0.4.0
[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] f57730742d53c563846b75ba00b5f7f8c4152fcf3ede5fc31b876bf9b0d54290
[INFO] running `Command { std: "docker" "start" "-a" "f57730742d53c563846b75ba00b5f7f8c4152fcf3ede5fc31b876bf9b0d54290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57730742d53c563846b75ba00b5f7f8c4152fcf3ede5fc31b876bf9b0d54290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57730742d53c563846b75ba00b5f7f8c4152fcf3ede5fc31b876bf9b0d54290", kill_on_drop: false }`
[INFO] [stdout] f57730742d53c563846b75ba00b5f7f8c4152fcf3ede5fc31b876bf9b0d54290
[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] 37c8abf19f4cbf5361e751b38102bd519b9dec2249c8aeb98cb51f6040b5a42c
[INFO] running `Command { std: "docker" "start" "-a" "37c8abf19f4cbf5361e751b38102bd519b9dec2249c8aeb98cb51f6040b5a42c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling schemars v0.8.12
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking forward_ref v1.0.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[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" "37c8abf19f4cbf5361e751b38102bd519b9dec2249c8aeb98cb51f6040b5a42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c8abf19f4cbf5361e751b38102bd519b9dec2249c8aeb98cb51f6040b5a42c", kill_on_drop: false }`
[INFO] [stdout] 37c8abf19f4cbf5361e751b38102bd519b9dec2249c8aeb98cb51f6040b5a42c
