[INFO] cloning repository https://github.com/FunkyQChicken/sippy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FunkyQChicken/sippy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFunkyQChicken%2Fsippy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFunkyQChicken%2Fsippy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ede5ee246eede0cd4ca419f2085936eab166787e
[INFO] checking FunkyQChicken/sippy against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFunkyQChicken%2Fsippy" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FunkyQChicken/sippy
[INFO] finished tweaking git repo https://github.com/FunkyQChicken/sippy
[INFO] tweaked toml for git repo https://github.com/FunkyQChicken/sippy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FunkyQChicken/sippy on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FunkyQChicken/sippy 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2738bd66a66724aa87636a6f351a0d3dcff660c6f4e869cf8d74e2dc7962db8
[INFO] running `Command { std: "docker" "start" "-a" "d2738bd66a66724aa87636a6f351a0d3dcff660c6f4e869cf8d74e2dc7962db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2738bd66a66724aa87636a6f351a0d3dcff660c6f4e869cf8d74e2dc7962db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2738bd66a66724aa87636a6f351a0d3dcff660c6f4e869cf8d74e2dc7962db8", kill_on_drop: false }`
[INFO] [stdout] d2738bd66a66724aa87636a6f351a0d3dcff660c6f4e869cf8d74e2dc7962db8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c4029f456c8321f3ba57f77ae169c87147002a69ad84ddde79db247f868370
[INFO] running `Command { std: "docker" "start" "-a" "20c4029f456c8321f3ba57f77ae169c87147002a69ad84ddde79db247f868370", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling openssl-sys v0.9.81
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling openssl v0.10.46
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 serde_json v1.0.94
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking clap_lex v0.3.2
[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" "20c4029f456c8321f3ba57f77ae169c87147002a69ad84ddde79db247f868370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c4029f456c8321f3ba57f77ae169c87147002a69ad84ddde79db247f868370", kill_on_drop: false }`
[INFO] [stdout] 20c4029f456c8321f3ba57f77ae169c87147002a69ad84ddde79db247f868370
