[INFO] cloning repository https://github.com/eburghar/kakpipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eburghar/kakpipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feburghar%2Fkakpipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feburghar%2Fkakpipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f29ee36b26cf1a6aab2ceb74a9d46f71de11f27
[INFO] checking eburghar/kakpipe/7f29ee36b26cf1a6aab2ceb74a9d46f71de11f27 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feburghar%2Fkakpipe" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eburghar/kakpipe on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eburghar/kakpipe
[INFO] finished tweaking git repo https://github.com/eburghar/kakpipe
[INFO] tweaked toml for git repo https://github.com/eburghar/kakpipe written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eburghar/kakpipe 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/eburghar/kak.rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/eburghar/yew-ansi.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c4a46bcc9bded219a3ddf1074a316301126750334f5c3f0d9e771888cbe83e
[INFO] running `Command { std: "docker" "start" "-a" "f7c4a46bcc9bded219a3ddf1074a316301126750334f5c3f0d9e771888cbe83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c4a46bcc9bded219a3ddf1074a316301126750334f5c3f0d9e771888cbe83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c4a46bcc9bded219a3ddf1074a316301126750334f5c3f0d9e771888cbe83e", kill_on_drop: false }`
[INFO] [stdout] f7c4a46bcc9bded219a3ddf1074a316301126750334f5c3f0d9e771888cbe83e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a559b410528718cd2c4b8217b55f43d5e5494987ad6601e6f9b167f67508011
[INFO] running `Command { std: "docker" "start" "-a" "7a559b410528718cd2c4b8217b55f43d5e5494987ad6601e6f9b167f67508011", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling polling v2.4.0
[INFO] [stderr]    Compiling async-io v1.10.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 signal-hook v0.3.14
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]    Compiling async-process v1.5.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[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" "7a559b410528718cd2c4b8217b55f43d5e5494987ad6601e6f9b167f67508011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a559b410528718cd2c4b8217b55f43d5e5494987ad6601e6f9b167f67508011", kill_on_drop: false }`
[INFO] [stdout] 7a559b410528718cd2c4b8217b55f43d5e5494987ad6601e6f9b167f67508011