[INFO] cloning repository https://github.com/Belchenkov/rust_warp_questions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Belchenkov/rust_warp_questions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelchenkov%2Frust_warp_questions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelchenkov%2Frust_warp_questions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ce3592c50352b89e0f818771f0765a47a16c0aa
[INFO] checking Belchenkov/rust_warp_questions against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelchenkov%2Frust_warp_questions" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Belchenkov/rust_warp_questions
[INFO] finished tweaking git repo https://github.com/Belchenkov/rust_warp_questions
[INFO] tweaked toml for git repo https://github.com/Belchenkov/rust_warp_questions written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Belchenkov/rust_warp_questions on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Belchenkov/rust_warp_questions 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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.12
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded multiparty v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded log4rs v1.2.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded warp v0.3.4
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded libc v0.2.141
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca1a417be7f78da6b6e0359df30f4a633b36195c9f1b1a57bc8c8e7d73d93db
[INFO] running `Command { std: "docker" "start" "-a" "bca1a417be7f78da6b6e0359df30f4a633b36195c9f1b1a57bc8c8e7d73d93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca1a417be7f78da6b6e0359df30f4a633b36195c9f1b1a57bc8c8e7d73d93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca1a417be7f78da6b6e0359df30f4a633b36195c9f1b1a57bc8c8e7d73d93db", kill_on_drop: false }`
[INFO] [stdout] bca1a417be7f78da6b6e0359df30f4a633b36195c9f1b1a57bc8c8e7d73d93db
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1194c943cb0cd52133dfb3a5b3c282e7c710a5ddf7e7596627c6f1a9fde4590
[INFO] running `Command { std: "docker" "start" "-a" "a1194c943cb0cd52133dfb3a5b3c282e7c710a5ddf7e7596627c6f1a9fde4590", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 futures-channel v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking multiparty v0.1.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.45
[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" "a1194c943cb0cd52133dfb3a5b3c282e7c710a5ddf7e7596627c6f1a9fde4590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1194c943cb0cd52133dfb3a5b3c282e7c710a5ddf7e7596627c6f1a9fde4590", kill_on_drop: false }`
[INFO] [stdout] a1194c943cb0cd52133dfb3a5b3c282e7c710a5ddf7e7596627c6f1a9fde4590
