[INFO] fetching crate wasmer-runtime-l1x 0.18.0...
[INFO] testing wasmer-runtime-l1x-0.18.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate wasmer-runtime-l1x 0.18.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wasmer-runtime-l1x 0.18.0
[INFO] finished tweaking crates.io crate wasmer-runtime-l1x 0.18.0
[INFO] tweaked toml for crates.io crate wasmer-runtime-l1x 0.18.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmer-runtime-l1x 0.18.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasmer-runtime-l1x 0.18.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inkwell_internals v0.7.0
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded quote v1.0.26
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[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.59.0
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[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded plotters v0.3.4
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[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.17.1
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded half v1.8.2
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[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded inkwell v0.1.1
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[INFO] [stderr]   Downloaded rayon-core v1.11.0
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[INFO] [stderr]   Downloaded wasmer-runtime-core v0.17.1
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[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.59.0
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[INFO] [stderr]   Downloaded wasmer-llvm-backend v0.17.1
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[INFO] [stderr]   Downloaded cranelift-native v0.59.0
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[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded wasmer-runtime-core-l1x v0.18.0
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[INFO] [stderr]   Downloaded wasmer-clif-backend v0.17.1
[INFO] [stderr]   Downloaded llvm-sys v80.3.1
[INFO] [stderr]   Downloaded dynasmrt v1.2.3
[INFO] [stderr]   Downloaded serde_bytes v0.11.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded wasmer-singlepass-backend-l1x v0.18.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a69a8957a763104cf1fd93f3ffaeeb9bcecc7800690ae4c2e5b0d2c0e2ea06a
[INFO] running `Command { std: "docker" "start" "-a" "1a69a8957a763104cf1fd93f3ffaeeb9bcecc7800690ae4c2e5b0d2c0e2ea06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a69a8957a763104cf1fd93f3ffaeeb9bcecc7800690ae4c2e5b0d2c0e2ea06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a69a8957a763104cf1fd93f3ffaeeb9bcecc7800690ae4c2e5b0d2c0e2ea06a", kill_on_drop: false }`
[INFO] [stdout] 1a69a8957a763104cf1fd93f3ffaeeb9bcecc7800690ae4c2e5b0d2c0e2ea06a
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2fd7a9d0a55c9a0c225849c8e52c4bba7d10aaf61afff7c5a64282d239051e
[INFO] running `Command { std: "docker" "start" "-a" "de2fd7a9d0a55c9a0c225849c8e52c4bba7d10aaf61afff7c5a64282d239051e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] [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" "de2fd7a9d0a55c9a0c225849c8e52c4bba7d10aaf61afff7c5a64282d239051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2fd7a9d0a55c9a0c225849c8e52c4bba7d10aaf61afff7c5a64282d239051e", kill_on_drop: false }`
[INFO] [stdout] de2fd7a9d0a55c9a0c225849c8e52c4bba7d10aaf61afff7c5a64282d239051e