[INFO] fetching crate wormhole-cli 0.2.0...
[INFO] building wormhole-cli-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate wormhole-cli 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wormhole-cli 0.2.0
[INFO] finished tweaking crates.io crate wormhole-cli 0.2.0
[INFO] tweaked toml for crates.io crate wormhole-cli 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wormhole-cli 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wormhole-cli 0.2.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.157
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
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[INFO] [stderr]   Downloaded ckandex v0.4.2
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[INFO] [stderr]   Downloaded password-hash v0.4.2
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded wormhole-common v0.2.0
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded hashlink v0.8.1
[INFO] [stderr]   Downloaded camino v1.1.4
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a32ae397093eede19b4b8c3b961188b3309c19cecdf420f8b51ed4bd78cf6d5
[INFO] running `Command { std: "docker" "start" "-a" "9a32ae397093eede19b4b8c3b961188b3309c19cecdf420f8b51ed4bd78cf6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a32ae397093eede19b4b8c3b961188b3309c19cecdf420f8b51ed4bd78cf6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a32ae397093eede19b4b8c3b961188b3309c19cecdf420f8b51ed4bd78cf6d5", kill_on_drop: false }`
[INFO] [stdout] 9a32ae397093eede19b4b8c3b961188b3309c19cecdf420f8b51ed4bd78cf6d5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c71a000434e1c7b28b944ede549d2bdfbc98099963b1c3012e59dcad49228b
[INFO] running `Command { std: "docker" "start" "-a" "39c71a000434e1c7b28b944ede549d2bdfbc98099963b1c3012e59dcad49228b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[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" "39c71a000434e1c7b28b944ede549d2bdfbc98099963b1c3012e59dcad49228b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c71a000434e1c7b28b944ede549d2bdfbc98099963b1c3012e59dcad49228b", kill_on_drop: false }`
[INFO] [stdout] 39c71a000434e1c7b28b944ede549d2bdfbc98099963b1c3012e59dcad49228b