[INFO] fetching crate micrrou 0.1.0...
[INFO] checking micrrou-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate micrrou 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate micrrou 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate micrrou 0.1.0
[INFO] tweaked toml for crates.io crate micrrou 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate micrrou 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate micrrou 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af45e6d625111a151540816d532afe4869e50d200742e0cb46aacfb5eb4d11e4
[INFO] running `Command { std: "docker" "start" "-a" "af45e6d625111a151540816d532afe4869e50d200742e0cb46aacfb5eb4d11e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af45e6d625111a151540816d532afe4869e50d200742e0cb46aacfb5eb4d11e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af45e6d625111a151540816d532afe4869e50d200742e0cb46aacfb5eb4d11e4", kill_on_drop: false }`
[INFO] [stdout] af45e6d625111a151540816d532afe4869e50d200742e0cb46aacfb5eb4d11e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9529f20a1a1aac2b0a6086b876ac99744254f539635ec6ca2b5d81e531cca9b0
[INFO] running `Command { std: "docker" "start" "-a" "9529f20a1a1aac2b0a6086b876ac99744254f539635ec6ca2b5d81e531cca9b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling wgpu-core v0.11.3
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ash v0.33.3+1.2.191
[INFO] [stderr]     Checking wgpu-types v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking inplace_it v0.3.5
[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" "9529f20a1a1aac2b0a6086b876ac99744254f539635ec6ca2b5d81e531cca9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9529f20a1a1aac2b0a6086b876ac99744254f539635ec6ca2b5d81e531cca9b0", kill_on_drop: false }`
[INFO] [stdout] 9529f20a1a1aac2b0a6086b876ac99744254f539635ec6ca2b5d81e531cca9b0