[INFO] fetching crate glossa 0.0.1-alpha.10...
[INFO] checking glossa-0.0.1-alpha.10 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate glossa 0.0.1-alpha.10 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate glossa 0.0.1-alpha.10 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glossa 0.0.1-alpha.10
[INFO] finished tweaking crates.io crate glossa 0.0.1-alpha.10
[INFO] tweaked toml for crates.io crate glossa 0.0.1-alpha.10 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate glossa 0.0.1-alpha.10 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded glossa-codegen v0.0.1-alpha.5
[INFO] [stderr]   Downloaded unic-langid-macros v0.9.1
[INFO] [stderr]   Downloaded unic-langid-macros-impl v0.9.1
[INFO] [stderr]   Downloaded fluent-template-macros v0.8.0
[INFO] [stderr]   Downloaded lang-id v0.0.1-beta.3
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded fluent-templates v0.8.0
[INFO] [stderr]   Downloaded fluent v0.16.0
[INFO] [stderr]   Downloaded fluent-bundle v0.15.2
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded snafu-derive v0.7.4
[INFO] [stderr]   Downloaded bstr v1.5.0
[INFO] [stderr]   Downloaded snafu v0.7.4
[INFO] [stderr]   Downloaded sys-locale v0.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b2e8f27dce028a66d50fc9f0ad27d5b5f028f0da642de5dcdcd646d2d40bb45
[INFO] running `Command { std: "docker" "start" "-a" "2b2e8f27dce028a66d50fc9f0ad27d5b5f028f0da642de5dcdcd646d2d40bb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b2e8f27dce028a66d50fc9f0ad27d5b5f028f0da642de5dcdcd646d2d40bb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2e8f27dce028a66d50fc9f0ad27d5b5f028f0da642de5dcdcd646d2d40bb45", kill_on_drop: false }`
[INFO] [stdout] 2b2e8f27dce028a66d50fc9f0ad27d5b5f028f0da642de5dcdcd646d2d40bb45
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a205fbaae6f857c40c66d510f70687105cf2bcde579a4114419fc54f747d87f
[INFO] running `Command { std: "docker" "start" "-a" "4a205fbaae6f857c40c66d510f70687105cf2bcde579a4114419fc54f747d87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling ryu v1.0.13
[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" "4a205fbaae6f857c40c66d510f70687105cf2bcde579a4114419fc54f747d87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a205fbaae6f857c40c66d510f70687105cf2bcde579a4114419fc54f747d87f", kill_on_drop: false }`
[INFO] [stdout] 4a205fbaae6f857c40c66d510f70687105cf2bcde579a4114419fc54f747d87f
