[INFO] cloning repository https://github.com/reficul0/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reficul0/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freficul0%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freficul0%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60eb71c5126d3f0574d2cc195cff7f27a86601e6
[INFO] checking reficul0/rust_practice against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freficul0%2Frust_practice" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reficul0/rust_practice
[INFO] finished tweaking git repo https://github.com/reficul0/rust_practice
[INFO] tweaked toml for git repo https://github.com/reficul0/rust_practice written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reficul0/rust_practice on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reficul0/rust_practice 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded windows-targets v0.42.1
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded prost v0.10.4
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded tonic-build v0.7.2
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded prettyplease v0.1.23
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded async-stream v0.3.4
[INFO] [stderr]   Downloaded prost-types v0.10.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.4
[INFO] [stderr]   Downloaded prost-derive v0.10.1
[INFO] [stderr]   Downloaded tower-http v0.3.5
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded tonic v0.7.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] [stderr]   Downloaded bytemuck v1.13.0
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded hyper v0.14.24
[INFO] [stderr]   Downloaded tokio-stream v0.1.12
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded prost-build v0.10.4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d10e0a80c6f27338c75acafaec69e178f1af404120ca564335ced012dc2c0b46
[INFO] running `Command { std: "docker" "start" "-a" "d10e0a80c6f27338c75acafaec69e178f1af404120ca564335ced012dc2c0b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10e0a80c6f27338c75acafaec69e178f1af404120ca564335ced012dc2c0b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10e0a80c6f27338c75acafaec69e178f1af404120ca564335ced012dc2c0b46", kill_on_drop: false }`
[INFO] [stdout] d10e0a80c6f27338c75acafaec69e178f1af404120ca564335ced012dc2c0b46
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a9f91a93739d8da031139e291b968bf1f6f53ba7d207bccac0e97f563c0863
[INFO] running `Command { std: "docker" "start" "-a" "f8a9f91a93739d8da031139e291b968bf1f6f53ba7d207bccac0e97f563c0863", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crc32fast v1.3.2
[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" "f8a9f91a93739d8da031139e291b968bf1f6f53ba7d207bccac0e97f563c0863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a9f91a93739d8da031139e291b968bf1f6f53ba7d207bccac0e97f563c0863", kill_on_drop: false }`
[INFO] [stdout] f8a9f91a93739d8da031139e291b968bf1f6f53ba7d207bccac0e97f563c0863
