[INFO] cloning repository https://github.com/suiyi8760/rust-pratice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suiyi8760/rust-pratice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuiyi8760%2Frust-pratice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuiyi8760%2Frust-pratice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58b3f1317b1edea74d956436271f017cf14d1dee
[INFO] checking suiyi8760/rust-pratice/58b3f1317b1edea74d956436271f017cf14d1dee against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuiyi8760%2Frust-pratice" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suiyi8760/rust-pratice on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suiyi8760/rust-pratice
[INFO] finished tweaking git repo https://github.com/suiyi8760/rust-pratice
[INFO] tweaked toml for git repo https://github.com/suiyi8760/rust-pratice written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/suiyi8760/rust-pratice 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded xml5ever v0.16.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.77
[INFO] [stderr]   Downloaded openssl v0.10.42
[INFO] [stderr]   Downloaded html2md v0.2.13
[INFO] [stderr]   Downloaded ipnet v2.5.1
[INFO] [stderr]   Downloaded tokio v1.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02de623f6709cce116550c62ad9a604672bb9fa1d8872dbebafe2f7a18d76a0c
[INFO] running `Command { std: "docker" "start" "-a" "02de623f6709cce116550c62ad9a604672bb9fa1d8872dbebafe2f7a18d76a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02de623f6709cce116550c62ad9a604672bb9fa1d8872dbebafe2f7a18d76a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02de623f6709cce116550c62ad9a604672bb9fa1d8872dbebafe2f7a18d76a0c", kill_on_drop: false }`
[INFO] [stdout] 02de623f6709cce116550c62ad9a604672bb9fa1d8872dbebafe2f7a18d76a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4387f656e2a5d593f68dcfe9e352a0ae0bd83827580d2060462f2bc6fa1893e
[INFO] running `Command { std: "docker" "start" "-a" "c4387f656e2a5d593f68dcfe9e352a0ae0bd83827580d2060462f2bc6fa1893e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[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]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[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" "c4387f656e2a5d593f68dcfe9e352a0ae0bd83827580d2060462f2bc6fa1893e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4387f656e2a5d593f68dcfe9e352a0ae0bd83827580d2060462f2bc6fa1893e", kill_on_drop: false }`
[INFO] [stdout] c4387f656e2a5d593f68dcfe9e352a0ae0bd83827580d2060462f2bc6fa1893e