[INFO] cloning repository https://github.com/Erik-Z/text-editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Erik-Z/text-editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErik-Z%2Ftext-editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErik-Z%2Ftext-editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d904e262cb87c74e6d3321f2f3cbe7a75f3b258
[INFO] checking Erik-Z/text-editor/5d904e262cb87c74e6d3321f2f3cbe7a75f3b258 against da86f4d0726be475afbbffe40cb2f65741c51ad3 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErik-Z%2Ftext-editor" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Erik-Z/text-editor
[INFO] finished tweaking git repo https://github.com/Erik-Z/text-editor
[INFO] tweaked toml for git repo https://github.com/Erik-Z/text-editor written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Erik-Z/text-editor on toolchain da86f4d0726be475afbbffe40cb2f65741c51ad3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Erik-Z/text-editor 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" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wfd v0.1.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded native-dialog v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee
[INFO] running `Command { std: "docker" "start" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.55/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[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" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee", kill_on_drop: false }`
[INFO] [stdout] 1da7e0e633927e782e3e72c24e176c55c839c3792003bfa885e9512c60c300ee
