[INFO] fetching crate liserk-client 0.2.4...
[INFO] testing liserk-client-0.2.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate liserk-client 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate liserk-client 0.2.4
[INFO] finished tweaking crates.io crate liserk-client 0.2.4
[INFO] tweaked toml for crates.io crate liserk-client 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liserk-client 0.2.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liserk-client 0.2.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded sha2 v0.10.7
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded block-modes v0.9.1
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded pest_generator v2.6.0
[INFO] [stderr]   Downloaded pest_derive v2.6.0
[INFO] [stderr]   Downloaded aes-gcm-siv v0.11.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded openssl-sys v0.9.90
[INFO] [stderr]   Downloaded pest v2.6.0
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded openssl v0.10.55
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded pest_meta v2.6.0
[INFO] [stderr]   Downloaded rug v1.19.2
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.5.3
[INFO] [stderr]   Downloaded liserk-ope v0.2.0
[INFO] [stderr]   Downloaded liserk-shared v0.1.7
[INFO] [stderr]   Downloaded pqc_kyber v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19e52305395fb3b35d5932d994dd7ae5af1853d418441580c7d0ddbc422f0693
[INFO] running `Command { std: "docker" "start" "-a" "19e52305395fb3b35d5932d994dd7ae5af1853d418441580c7d0ddbc422f0693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19e52305395fb3b35d5932d994dd7ae5af1853d418441580c7d0ddbc422f0693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e52305395fb3b35d5932d994dd7ae5af1853d418441580c7d0ddbc422f0693", kill_on_drop: false }`
[INFO] [stdout] 19e52305395fb3b35d5932d994dd7ae5af1853d418441580c7d0ddbc422f0693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5894b92cb70e79448f054b7ec3136e91d522ba296ecf1d4faaadc1f58a1a71f5
[INFO] running `Command { std: "docker" "start" "-a" "5894b92cb70e79448f054b7ec3136e91d522ba296ecf1d4faaadc1f58a1a71f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.3
[INFO] [stderr]    Compiling cpufeatures v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling dlv-list v0.3.0
[INFO] [stderr]    Compiling rug v1.19.2
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling pqc_kyber v0.6.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling block-modes v0.9.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[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" "5894b92cb70e79448f054b7ec3136e91d522ba296ecf1d4faaadc1f58a1a71f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5894b92cb70e79448f054b7ec3136e91d522ba296ecf1d4faaadc1f58a1a71f5", kill_on_drop: false }`
[INFO] [stdout] 5894b92cb70e79448f054b7ec3136e91d522ba296ecf1d4faaadc1f58a1a71f5