[INFO] cloning repository https://github.com/rednayan/mini-redis-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rednayan/mini-redis-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fmini-redis-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fmini-redis-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88bfcf46400a27a16170699658878d6110d0d614 [INFO] checking rednayan/mini-redis-rs against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fmini-redis-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rednayan/mini-redis-rs [INFO] finished tweaking git repo https://github.com/rednayan/mini-redis-rs [INFO] tweaked toml for git repo https://github.com/rednayan/mini-redis-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rednayan/mini-redis-rs on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rednayan/mini-redis-rs 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cxxbridge-flags v1.0.93 [INFO] [stderr] Downloaded cxxbridge-macro v1.0.93 [INFO] [stderr] Downloaded cxx-build v1.0.93 [INFO] [stderr] Downloaded serde v1.0.158 [INFO] [stderr] Downloaded cxx v1.0.93 [INFO] [stderr] Downloaded syn v2.0.4 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fe591d248243496c8ef83011af1f388a4b209941fcd65adc6f2653e7870a5e7 [INFO] running `Command { std: "docker" "start" "-a" "8fe591d248243496c8ef83011af1f388a4b209941fcd65adc6f2653e7870a5e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fe591d248243496c8ef83011af1f388a4b209941fcd65adc6f2653e7870a5e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fe591d248243496c8ef83011af1f388a4b209941fcd65adc6f2653e7870a5e7", kill_on_drop: false }` [INFO] [stdout] 8fe591d248243496c8ef83011af1f388a4b209941fcd65adc6f2653e7870a5e7 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55514f22b3ce1d98c5b2defaead46cd8ef12824da8fb0cf7b218c795f9b2fac9 [INFO] running `Command { std: "docker" "start" "-a" "55514f22b3ce1d98c5b2defaead46cd8ef12824da8fb0cf7b218c795f9b2fac9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.52 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling futures-core v0.3.27 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling tokio v1.26.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking iana-time-zone v0.1.53 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 sharded-slab v0.1.4 [INFO] [stderr] Checking tracing-log v0.1.3 [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" "55514f22b3ce1d98c5b2defaead46cd8ef12824da8fb0cf7b218c795f9b2fac9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55514f22b3ce1d98c5b2defaead46cd8ef12824da8fb0cf7b218c795f9b2fac9", kill_on_drop: false }` [INFO] [stdout] 55514f22b3ce1d98c5b2defaead46cd8ef12824da8fb0cf7b218c795f9b2fac9