[INFO] fetching crate rmq_monitor 0.2.6... [INFO] building rmq_monitor-0.2.6 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate rmq_monitor 0.2.6 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate rmq_monitor 0.2.6 [INFO] finished tweaking crates.io crate rmq_monitor 0.2.6 [INFO] tweaked toml for crates.io crate rmq_monitor 0.2.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rmq_monitor 0.2.6 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rmq_monitor 0.2.6 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded toml_datetime v0.6.1 [INFO] [stderr] Downloaded surf v2.3.2 [INFO] [stderr] Downloaded serde_qs v0.8.5 [INFO] [stderr] Downloaded value-bag v1.0.0-alpha.9 [INFO] [stderr] Downloaded serde_spanned v0.6.1 [INFO] [stderr] Downloaded toml_edit v0.19.8 [INFO] [stderr] Downloaded rustc-demangle v0.1.22 [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded polyval v0.4.5 [INFO] [stderr] Downloaded const_fn v0.4.9 [INFO] [stderr] Downloaded cookie v0.14.4 [INFO] [stderr] Downloaded flume v0.9.2 [INFO] [stderr] Downloaded human-panic v1.1.3 [INFO] [stderr] Downloaded miniz_oxide v0.6.2 [INFO] [stderr] Downloaded uuid v1.3.1 [INFO] [stderr] Downloaded async-executor v1.5.1 [INFO] [stderr] Downloaded winnow v0.4.1 [INFO] [stderr] Downloaded async-task v4.4.0 [INFO] [stderr] Downloaded spinning_top v0.2.5 [INFO] [stderr] Downloaded unicase v2.6.0 [INFO] [stderr] Downloaded concurrent-queue v2.2.0 [INFO] [stderr] Downloaded http-client v6.5.3 [INFO] [stderr] Downloaded backtrace v0.3.67 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded aead v0.3.2 [INFO] [stderr] Downloaded ctr v0.6.0 [INFO] [stderr] Downloaded cpuid-bool v0.2.0 [INFO] [stderr] Downloaded aes-gcm v0.8.0 [INFO] [stderr] Downloaded gimli v0.27.2 [INFO] [stderr] Downloaded isahc v0.9.14 [INFO] [stderr] Downloaded async-std v1.12.0 [INFO] [stderr] Downloaded regex v1.7.3 [INFO] [stderr] Downloaded object v0.30.3 [INFO] [stderr] Downloaded libc v0.2.141 [INFO] [stderr] Downloaded sha1_smol v1.0.0 [INFO] [stderr] Downloaded parking v2.1.0 [INFO] [stderr] Downloaded sluice v0.5.5 [INFO] [stderr] Downloaded polling v2.7.0 [INFO] [stderr] Downloaded async-lock v2.7.0 [INFO] [stderr] Downloaded ghash v0.3.1 [INFO] [stderr] Downloaded cpufeatures v0.2.6 [INFO] [stderr] Downloaded infer v0.2.3 [INFO] [stderr] Downloaded syn v2.0.14 [INFO] [stderr] Downloaded openssl-sys v0.9.85 [INFO] [stderr] Downloaded async-global-executor v2.3.1 [INFO] [stderr] Downloaded async-process v1.7.0 [INFO] [stderr] Downloaded universal-hash v0.4.1 [INFO] [stderr] Downloaded toml v0.7.3 [INFO] [stderr] Downloaded linux-raw-sys v0.3.1 [INFO] [stderr] Downloaded http-types v2.12.0 [INFO] [stderr] Downloaded curl-sys v0.4.61+curl-8.0.1 [INFO] [stderr] Downloaded rustix v0.37.11 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.7+1.45.0 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d399d031bd9e685d8bb092c7d6faf6409f7d70487c6d269542b0532ca81a5430 [INFO] running `Command { std: "docker" "start" "-a" "d399d031bd9e685d8bb092c7d6faf6409f7d70487c6d269542b0532ca81a5430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d399d031bd9e685d8bb092c7d6faf6409f7d70487c6d269542b0532ca81a5430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d399d031bd9e685d8bb092c7d6faf6409f7d70487c6d269542b0532ca81a5430", kill_on_drop: false }` [INFO] [stdout] d399d031bd9e685d8bb092c7d6faf6409f7d70487c6d269542b0532ca81a5430 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4147ea7c646401dc1afffca3d0af3dad69693521b47dad9a0e89b566323406bb [INFO] running `Command { std: "docker" "start" "-a" "4147ea7c646401dc1afffca3d0af3dad69693521b47dad9a0e89b566323406bb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling futures-io v0.3.28 [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 io-lifetimes v1.0.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling rustix v0.37.11 [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" "4147ea7c646401dc1afffca3d0af3dad69693521b47dad9a0e89b566323406bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4147ea7c646401dc1afffca3d0af3dad69693521b47dad9a0e89b566323406bb", kill_on_drop: false }` [INFO] [stdout] 4147ea7c646401dc1afffca3d0af3dad69693521b47dad9a0e89b566323406bb