[INFO] fetching crate ciphercore-base 0.3.1...
[INFO] checking ciphercore-base-0.3.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ciphercore-base 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ciphercore-base 0.3.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ciphercore-base 0.3.1
[INFO] finished tweaking crates.io crate ciphercore-base 0.3.1
[INFO] tweaked toml for crates.io crate ciphercore-base 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ciphercore-base 0.3.1 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag-impl v0.2.8
[INFO] [stderr]   Downloaded typetag v0.2.8
[INFO] [stderr]   Downloaded ghost v0.1.9
[INFO] [stderr]   Downloaded inventory v0.3.6
[INFO] [stderr]   Downloaded erased-serde v0.3.25
[INFO] [stderr]   Downloaded pywrapper-macro v0.3.1
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.3.0
[INFO] [stderr]   Downloaded clap_derive v3.2.25
[INFO] [stderr]   Downloaded ciphercore-utils v0.3.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.3
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.17.3
[INFO] [stderr]   Downloaded regex v1.8.2
[INFO] [stderr]   Downloaded pyo3 v0.17.3
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded serde_test v1.0.163
[INFO] [stderr]   Downloaded pyo3-macros v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced2522136745857c1cdf1c3217b72b7b61db5b90ea943f8743e1009d54fd37a
[INFO] running `Command { std: "docker" "start" "-a" "ced2522136745857c1cdf1c3217b72b7b61db5b90ea943f8743e1009d54fd37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced2522136745857c1cdf1c3217b72b7b61db5b90ea943f8743e1009d54fd37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced2522136745857c1cdf1c3217b72b7b61db5b90ea943f8743e1009d54fd37a", kill_on_drop: false }`
[INFO] [stdout] ced2522136745857c1cdf1c3217b72b7b61db5b90ea943f8743e1009d54fd37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c095f9ffaef089ec4dcdb7b67b0a8ad0c511b190901bb1b34880ddf5bf3fe682
[INFO] running `Command { std: "docker" "start" "-a" "c095f9ffaef089ec4dcdb7b67b0a8ad0c511b190901bb1b34880ddf5bf3fe682", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking atomic_refcell v0.1.10
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[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 futures-io v0.3.28
[INFO] [stderr]     Checking aes v0.8.2
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling serde_test v1.0.163
[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" "c095f9ffaef089ec4dcdb7b67b0a8ad0c511b190901bb1b34880ddf5bf3fe682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c095f9ffaef089ec4dcdb7b67b0a8ad0c511b190901bb1b34880ddf5bf3fe682", kill_on_drop: false }`
[INFO] [stdout] c095f9ffaef089ec4dcdb7b67b0a8ad0c511b190901bb1b34880ddf5bf3fe682
