[INFO] fetching crate x-server-stats 0.1.2...
[INFO] testing x-server-stats-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate x-server-stats 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate x-server-stats 0.1.2
[INFO] finished tweaking crates.io crate x-server-stats 0.1.2
[INFO] tweaked toml for crates.io crate x-server-stats 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-server-stats 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x-server-stats 0.1.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `x-server-stats` which is deprecated
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded systemstat v0.2.0
[INFO] [stderr]   Downloaded serde_nanos v0.1.2
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[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded actix-utils v3.0.0
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded actix-files v0.6.2
[INFO] [stderr]   Downloaded zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] [stderr]   Downloaded askama v0.11.1
[INFO] [stderr]   Downloaded der v0.4.5
[INFO] [stderr]   Downloaded pest v2.3.1
[INFO] [stderr]   Downloaded ordered-multimap v0.3.1
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[INFO] [stderr]   Downloaded base64-url v1.4.13
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded actix-macros v0.2.3
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded pest_meta v2.3.1
[INFO] [stderr]   Downloaded ahash v0.4.7
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded const-oid v0.6.2
[INFO] [stderr]   Downloaded nats v0.23.0
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded nuid v0.3.2
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded config v0.12.0
[INFO] [stderr]   Downloaded futures v0.3.24
[INFO] [stderr]   Downloaded actix-router v0.5.1
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded nkeys v0.2.0
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded cookie v0.16.1
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[INFO] [stderr]   Downloaded postgres-protocol v0.6.4
[INFO] [stderr]   Downloaded postgres-types v0.2.4
[INFO] [stderr]   Downloaded futures-util v0.3.24
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[INFO] [stderr]   Downloaded base64ct v1.1.1
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[INFO] [stderr]   Downloaded zstd v0.11.2+zstd.1.5.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d37f7829264005179af6c6ba3721c8f9ea1141d11e056678858b33ac20d519
[INFO] running `Command { std: "docker" "start" "-a" "e9d37f7829264005179af6c6ba3721c8f9ea1141d11e056678858b33ac20d519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d37f7829264005179af6c6ba3721c8f9ea1141d11e056678858b33ac20d519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d37f7829264005179af6c6ba3721c8f9ea1141d11e056678858b33ac20d519", kill_on_drop: false }`
[INFO] [stdout] e9d37f7829264005179af6c6ba3721c8f9ea1141d11e056678858b33ac20d519
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c325ffd7c59afd2eb78645d62401a0d542a1e12f51bfc2179fe846a49f502579
[INFO] running `Command { std: "docker" "start" "-a" "c325ffd7c59afd2eb78645d62401a0d542a1e12f51bfc2179fe846a49f502579", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `x-server-stats` which is deprecated
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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 cc v1.0.73
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[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" "c325ffd7c59afd2eb78645d62401a0d542a1e12f51bfc2179fe846a49f502579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c325ffd7c59afd2eb78645d62401a0d542a1e12f51bfc2179fe846a49f502579", kill_on_drop: false }`
[INFO] [stdout] c325ffd7c59afd2eb78645d62401a0d542a1e12f51bfc2179fe846a49f502579