[INFO] cloning repository https://github.com/polyphene/kythera
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polyphene/kythera" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyphene%2Fkythera", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyphene%2Fkythera'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e95176a6d48b92c25a340f2ffce0d76e322a699b
[INFO] checking polyphene/kythera against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyphene%2Fkythera" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/polyphene/kythera
[INFO] finished tweaking git repo https://github.com/polyphene/kythera
[INFO] tweaked toml for git repo https://github.com/polyphene/kythera written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/polyphene/kythera on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/polyphene/kythera 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
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[INFO] [stderr]   Downloaded wasmtime-runtime v2.0.2
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[INFO] [stderr]   Downloaded storage-proofs-porep v14.0.0
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[INFO] [stderr]   Downloaded config v0.12.0
[INFO] [stderr]   Downloaded fil_pasta_curves v0.5.2
[INFO] [stderr]   Downloaded merkletree v0.22.1
[INFO] [stderr]   Downloaded storage-proofs-core v14.0.0
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[INFO] [stderr]   Downloaded serde_ipld_dagcbor v0.2.2
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[INFO] [stderr]   Downloaded forest_hash_utils v0.1.0
[INFO] [stderr]   Downloaded libipld-core v0.14.0
[INFO] [stderr]   Downloaded filecoin-proofs-api v14.0.0
[INFO] [stderr]   Downloaded cbor4ii v0.2.14
[INFO] [stderr]   Downloaded fil_actor_datacap_v10 v2.0.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.89.2
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[INFO] [stderr]   Downloaded wasmtime-jit-debug v2.0.2
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[INFO] [stderr]   Downloaded fvm_sdk v3.2.0
[INFO] [stderr]   Downloaded storage-proofs-update v14.0.0
[INFO] [stderr]   Downloaded fvm_ipld_blockstore v0.1.2
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.13
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[INFO] [stderr]   Downloaded fil_actor_paych_v10 v2.0.0
[INFO] [stderr]   Downloaded fvm_ipld_hamt v0.6.1
[INFO] [stderr]   Downloaded frc42_macros v1.2.0
[INFO] [stderr]   Downloaded frc42_dispatch v3.2.0
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[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.11
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[INFO] [stderr]   Downloaded trait-set v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9ae8d3f4c4c6b894bada531d8f7a1d9a5ef2a629c37923a85a0b212245fd0b
[INFO] running `Command { std: "docker" "start" "-a" "8a9ae8d3f4c4c6b894bada531d8f7a1d9a5ef2a629c37923a85a0b212245fd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9ae8d3f4c4c6b894bada531d8f7a1d9a5ef2a629c37923a85a0b212245fd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9ae8d3f4c4c6b894bada531d8f7a1d9a5ef2a629c37923a85a0b212245fd0b", kill_on_drop: false }`
[INFO] [stdout] 8a9ae8d3f4c4c6b894bada531d8f7a1d9a5ef2a629c37923a85a0b212245fd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdf02f77fcc83089f290108b5f25d661e263bb38fd06b0068b84df5440386d06
[INFO] running `Command { std: "docker" "start" "-a" "fdf02f77fcc83089f290108b5f25d661e263bb38fd06b0068b84df5440386d06", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 once_cell v1.17.2
[INFO] [stderr]    Compiling subtle v2.5.0
[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" "fdf02f77fcc83089f290108b5f25d661e263bb38fd06b0068b84df5440386d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf02f77fcc83089f290108b5f25d661e263bb38fd06b0068b84df5440386d06", kill_on_drop: false }`
[INFO] [stdout] fdf02f77fcc83089f290108b5f25d661e263bb38fd06b0068b84df5440386d06
