[INFO] fetching crate nodium 0.1.2...
[INFO] checking nodium-0.1.2 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate nodium 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate nodium 0.1.2 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] started tweaking crates.io crate nodium 0.1.2
[INFO] finished tweaking crates.io crate nodium 0.1.2
[INFO] tweaked toml for crates.io crate nodium 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate nodium 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c665b41f702459a96370653216ad67c2a8b1f8dd5d933d23e37e68e13e59712
[INFO] running `Command { std: "docker" "start" "-a" "7c665b41f702459a96370653216ad67c2a8b1f8dd5d933d23e37e68e13e59712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c665b41f702459a96370653216ad67c2a8b1f8dd5d933d23e37e68e13e59712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c665b41f702459a96370653216ad67c2a8b1f8dd5d933d23e37e68e13e59712", kill_on_drop: false }`
[INFO] [stdout] 7c665b41f702459a96370653216ad67c2a8b1f8dd5d933d23e37e68e13e59712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c802ec3a8fe03da1335b0b0bd924429d17c8c512d0d7dbe3bc1768c10e02b862
[INFO] running `Command { std: "docker" "start" "-a" "c802ec3a8fe03da1335b0b0bd924429d17c8c512d0d7dbe3bc1768c10e02b862", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] 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] 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" "c802ec3a8fe03da1335b0b0bd924429d17c8c512d0d7dbe3bc1768c10e02b862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c802ec3a8fe03da1335b0b0bd924429d17c8c512d0d7dbe3bc1768c10e02b862", kill_on_drop: false }`
[INFO] [stdout] c802ec3a8fe03da1335b0b0bd924429d17c8c512d0d7dbe3bc1768c10e02b862