[INFO] cloning repository https://github.com/cypherchabon/backend-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypherchabon/backend-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f835e83e061241ce0b5bf24abef79f36394de2b0 [INFO] checking cypherchabon/backend-demo against try#be699666730c5a1745838222e98e2d85019affdc for pr-134300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cypherchabon/backend-demo on toolchain be699666730c5a1745838222e98e2d85019affdc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cypherchabon/backend-demo [INFO] finished tweaking git repo https://github.com/cypherchabon/backend-demo [INFO] tweaked toml for git repo https://github.com/cypherchabon/backend-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cypherchabon/backend-demo 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" "+be699666730c5a1745838222e98e2d85019affdc" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 094df2e4e223c17f6bf4684142c347e46c1b35836a8eb256a386f12fac1fa918 [INFO] running `Command { std: "docker" "start" "-a" "094df2e4e223c17f6bf4684142c347e46c1b35836a8eb256a386f12fac1fa918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "094df2e4e223c17f6bf4684142c347e46c1b35836a8eb256a386f12fac1fa918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "094df2e4e223c17f6bf4684142c347e46c1b35836a8eb256a386f12fac1fa918", kill_on_drop: false }` [INFO] [stdout] 094df2e4e223c17f6bf4684142c347e46c1b35836a8eb256a386f12fac1fa918 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09b4430e78167eccfd526e59d052746068d953e5c30d8cd440241a8e414e27c8 [INFO] running `Command { std: "docker" "start" "-a" "09b4430e78167eccfd526e59d052746068d953e5c30d8cd440241a8e414e27c8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.17.0 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Compiling thiserror v1.0.38 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling tokio v1.24.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 parking_lot_core v0.8.6 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling rustls v0.20.8 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling paste v1.0.11 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Compiling jobserver v0.1.25 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking http v0.2.8 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling slab v0.4.7 [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" "09b4430e78167eccfd526e59d052746068d953e5c30d8cd440241a8e414e27c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09b4430e78167eccfd526e59d052746068d953e5c30d8cd440241a8e414e27c8", kill_on_drop: false }` [INFO] [stdout] 09b4430e78167eccfd526e59d052746068d953e5c30d8cd440241a8e414e27c8