[INFO] cloning repository https://github.com/mwillsey/egg-smol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwillsey/egg-smol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fegg-smol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fegg-smol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 187441ad0d6826e8228b833dd41d384bc571c847
[INFO] checking mwillsey/egg-smol against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Fegg-smol" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwillsey/egg-smol on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mwillsey/egg-smol
[INFO] finished tweaking git repo https://github.com/mwillsey/egg-smol
[INFO] tweaked toml for git repo https://github.com/mwillsey/egg-smol written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mwillsey/egg-smol 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" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26c699a24625b958a37b780ccab7336caa09387fe3c52b93ef5494e530fefa2c
[INFO] running `Command { std: "docker" "start" "-a" "26c699a24625b958a37b780ccab7336caa09387fe3c52b93ef5494e530fefa2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c699a24625b958a37b780ccab7336caa09387fe3c52b93ef5494e530fefa2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c699a24625b958a37b780ccab7336caa09387fe3c52b93ef5494e530fefa2c", kill_on_drop: false }`
[INFO] [stdout] 26c699a24625b958a37b780ccab7336caa09387fe3c52b93ef5494e530fefa2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2176c8e84a2df502ddcbc764d132533d2d3b83c964c1d5d792eb8bd1e5729ae6
[INFO] running `Command { std: "docker" "start" "-a" "2176c8e84a2df502ddcbc764d132533d2d3b83c964c1d5d792eb8bd1e5729ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling indexmap v1.9.2
[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]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[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" "2176c8e84a2df502ddcbc764d132533d2d3b83c964c1d5d792eb8bd1e5729ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2176c8e84a2df502ddcbc764d132533d2d3b83c964c1d5d792eb8bd1e5729ae6", kill_on_drop: false }`
[INFO] [stdout] 2176c8e84a2df502ddcbc764d132533d2d3b83c964c1d5d792eb8bd1e5729ae6