[INFO] cloning repository https://github.com/Yuguo-Wang/721-demo-rust-11
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuguo-Wang/721-demo-rust-11" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuguo-Wang%2F721-demo-rust-11", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuguo-Wang%2F721-demo-rust-11'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e40bca4ba58d0ca39617951ed7e30be96cf59c9f
[INFO] checking Yuguo-Wang/721-demo-rust-11/e40bca4ba58d0ca39617951ed7e30be96cf59c9f against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuguo-Wang%2F721-demo-rust-11" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yuguo-Wang/721-demo-rust-11 on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yuguo-Wang/721-demo-rust-11
[INFO] finished tweaking git repo https://github.com/Yuguo-Wang/721-demo-rust-11
[INFO] tweaked toml for git repo https://github.com/Yuguo-Wang/721-demo-rust-11 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuguo-Wang/721-demo-rust-11 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" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77529032cf727634d1f719aa11ff71c0eaa4dc91fc7fa1b2313f509f25ba2087
[INFO] running `Command { std: "docker" "start" "-a" "77529032cf727634d1f719aa11ff71c0eaa4dc91fc7fa1b2313f509f25ba2087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77529032cf727634d1f719aa11ff71c0eaa4dc91fc7fa1b2313f509f25ba2087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77529032cf727634d1f719aa11ff71c0eaa4dc91fc7fa1b2313f509f25ba2087", kill_on_drop: false }`
[INFO] [stdout] 77529032cf727634d1f719aa11ff71c0eaa4dc91fc7fa1b2313f509f25ba2087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c261a44e3714a5edd17dcbc353e4af50d926e5c4200522f98d52da592e4e3141
[INFO] running `Command { std: "docker" "start" "-a" "c261a44e3714a5edd17dcbc353e4af50d926e5c4200522f98d52da592e4e3141", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling polling v2.7.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking async-lock v2.7.0
[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] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[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] 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" "c261a44e3714a5edd17dcbc353e4af50d926e5c4200522f98d52da592e4e3141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c261a44e3714a5edd17dcbc353e4af50d926e5c4200522f98d52da592e4e3141", kill_on_drop: false }`
[INFO] [stdout] c261a44e3714a5edd17dcbc353e4af50d926e5c4200522f98d52da592e4e3141