[INFO] cloning repository https://github.com/solimy/google-comprehensive-rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solimy/google-comprehensive-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 30b18eed2d743bc60449367b30f67704d5c6f360 [INFO] checking solimy/google-comprehensive-rust-playground against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolimy%2Fgoogle-comprehensive-rust-playground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/solimy/google-comprehensive-rust-playground [INFO] finished tweaking git repo https://github.com/solimy/google-comprehensive-rust-playground [INFO] tweaked toml for git repo https://github.com/solimy/google-comprehensive-rust-playground written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/solimy/google-comprehensive-rust-playground on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/solimy/google-comprehensive-rust-playground 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dtoa-short v0.3.3 [INFO] [stderr] Downloaded openssl-sys v0.9.84 [INFO] [stderr] Downloaded scraper v0.13.0 [INFO] [stderr] Downloaded errno v0.3.0 [INFO] [stderr] Downloaded reqwest v0.11.16 [INFO] [stderr] Downloaded rustix v0.37.8 [INFO] [stderr] Downloaded openssl v0.10.49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30b054ea74657c7b3d42ea511c274b6e77da0b759b76525ce184b97a95e35093 [INFO] running `Command { std: "docker" "start" "-a" "30b054ea74657c7b3d42ea511c274b6e77da0b759b76525ce184b97a95e35093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30b054ea74657c7b3d42ea511c274b6e77da0b759b76525ce184b97a95e35093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30b054ea74657c7b3d42ea511c274b6e77da0b759b76525ce184b97a95e35093", kill_on_drop: false }` [INFO] [stdout] 30b054ea74657c7b3d42ea511c274b6e77da0b759b76525ce184b97a95e35093 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdf24a5ade262c9777f09de346d52715c71bd9b913219373c61a64dbc936cc63 [INFO] running `Command { std: "docker" "start" "-a" "bdf24a5ade262c9777f09de346d52715c71bd9b913219373c61a64dbc936cc63", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling tokio v1.27.0 [INFO] [stderr] Compiling openssl-sys v0.9.84 [INFO] [stderr] Compiling serde v1.0.159 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling openssl v0.10.49 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling rustls v0.20.8 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Checking dtoa-short v0.3.3 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking phf v0.10.1 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Compiling anyhow v1.0.70 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking ipnet v2.7.2 [INFO] [stderr] Checking ego-tree v0.6.2 [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] Checking concurrent-queue v2.2.0 [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" "bdf24a5ade262c9777f09de346d52715c71bd9b913219373c61a64dbc936cc63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdf24a5ade262c9777f09de346d52715c71bd9b913219373c61a64dbc936cc63", kill_on_drop: false }` [INFO] [stdout] bdf24a5ade262c9777f09de346d52715c71bd9b913219373c61a64dbc936cc63