[INFO] fetching crate libremarkable 0.6.2...
[INFO] checking libremarkable-0.6.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate libremarkable 0.6.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libremarkable 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libremarkable 0.6.2
[INFO] tweaked toml for crates.io crate libremarkable 0.6.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libremarkable 0.6.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libremarkable 0.6.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded tiny_http v0.9.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded aabb-quadtree v0.1.0
[INFO] [stderr]   Downloaded line_drawing v1.0.0
[INFO] [stderr]   Downloaded epoll v4.3.1
[INFO] [stderr]   Downloaded hlua v0.4.1
[INFO] [stderr]   Downloaded bytemuck v1.12.3
[INFO] [stderr]   Downloaded rgb565 v0.1.3
[INFO] [stderr]   Downloaded ioctl-gen v0.1.1
[INFO] [stderr]   Downloaded redhook v2.0.0
[INFO] [stderr]   Downloaded lua52-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf137b072e8579c67c26a8162bf15202c51718b4090eba8f3882f93eb178dbf
[INFO] running `Command { std: "docker" "start" "-a" "5cf137b072e8579c67c26a8162bf15202c51718b4090eba8f3882f93eb178dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf137b072e8579c67c26a8162bf15202c51718b4090eba8f3882f93eb178dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf137b072e8579c67c26a8162bf15202c51718b4090eba8f3882f93eb178dbf", kill_on_drop: false }`
[INFO] [stdout] 5cf137b072e8579c67c26a8162bf15202c51718b4090eba8f3882f93eb178dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68851e4942bdac9b64a0dcdb645b7ce36269692d3772645bbbfe3a127475a79f
[INFO] running `Command { std: "docker" "start" "-a" "68851e4942bdac9b64a0dcdb645b7ce36269692d3772645bbbfe3a127475a79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[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" "68851e4942bdac9b64a0dcdb645b7ce36269692d3772645bbbfe3a127475a79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68851e4942bdac9b64a0dcdb645b7ce36269692d3772645bbbfe3a127475a79f", kill_on_drop: false }`
[INFO] [stdout] 68851e4942bdac9b64a0dcdb645b7ce36269692d3772645bbbfe3a127475a79f