[INFO] fetching crate ara_parser 0.6.6...
[INFO] checking ara_parser-0.6.6 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate ara_parser 0.6.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ara_parser 0.6.6 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ara_parser 0.6.6
[INFO] finished tweaking crates.io crate ara_parser 0.6.6
[INFO] tweaked toml for crates.io crate ara_parser 0.6.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ara_parser 0.6.6 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.26.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded dyn-clone v1.0.9
[INFO] [stderr]   Downloaded schemars_derive v0.8.11
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded ara_source v0.2.0
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded ara_reporting v0.6.1
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded schemars v0.8.11
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c6be139a393571b03301d811284c2178c830fd622c701a76201ea508248fde
[INFO] running `Command { std: "docker" "start" "-a" "15c6be139a393571b03301d811284c2178c830fd622c701a76201ea508248fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c6be139a393571b03301d811284c2178c830fd622c701a76201ea508248fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c6be139a393571b03301d811284c2178c830fd622c701a76201ea508248fde", kill_on_drop: false }`
[INFO] [stdout] 15c6be139a393571b03301d811284c2178c830fd622c701a76201ea508248fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c24da348682ebdcdf25223d246f59695f88c883a40c469f6c90dcd183d0c57
[INFO] running `Command { std: "docker" "start" "-a" "b0c24da348682ebdcdf25223d246f59695f88c883a40c469f6c90dcd183d0c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling schemars v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking dyn-clone v1.0.9
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ara_source v0.2.0
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 oorandom v11.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[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" "b0c24da348682ebdcdf25223d246f59695f88c883a40c469f6c90dcd183d0c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c24da348682ebdcdf25223d246f59695f88c883a40c469f6c90dcd183d0c57", kill_on_drop: false }`
[INFO] [stdout] b0c24da348682ebdcdf25223d246f59695f88c883a40c469f6c90dcd183d0c57
