[INFO] fetching crate archon 0.1.0-alpha...
[INFO] checking archon-0.1.0-alpha against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate archon 0.1.0-alpha into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate archon 0.1.0-alpha on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate archon 0.1.0-alpha
[INFO] finished tweaking crates.io crate archon 0.1.0-alpha
[INFO] tweaked toml for crates.io crate archon 0.1.0-alpha written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate archon 0.1.0-alpha 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded tracing-test v0.2.4
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[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.2
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[INFO] [stderr]   Downloaded atomic v0.5.1
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[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded rustversion v1.0.12
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[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
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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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d854ba5e6946d9fac514e8acec261525f982edef8aa7988df3ec4e79d11ccbcb
[INFO] running `Command { std: "docker" "start" "-a" "d854ba5e6946d9fac514e8acec261525f982edef8aa7988df3ec4e79d11ccbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d854ba5e6946d9fac514e8acec261525f982edef8aa7988df3ec4e79d11ccbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d854ba5e6946d9fac514e8acec261525f982edef8aa7988df3ec4e79d11ccbcb", kill_on_drop: false }`
[INFO] [stdout] d854ba5e6946d9fac514e8acec261525f982edef8aa7988df3ec4e79d11ccbcb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4647e0bf89e4d692ad915f553acbe03ed4106928a5d142e3271f2f4b7eb21991
[INFO] running `Command { std: "docker" "start" "-a" "4647e0bf89e4d692ad915f553acbe03ed4106928a5d142e3271f2f4b7eb21991", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.39
[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 indexmap v1.9.2
[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" "4647e0bf89e4d692ad915f553acbe03ed4106928a5d142e3271f2f4b7eb21991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4647e0bf89e4d692ad915f553acbe03ed4106928a5d142e3271f2f4b7eb21991", kill_on_drop: false }`
[INFO] [stdout] 4647e0bf89e4d692ad915f553acbe03ed4106928a5d142e3271f2f4b7eb21991
