[INFO] fetching crate actix-web-prometheus 0.1.2...
[INFO] checking actix-web-prometheus-0.1.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate actix-web-prometheus 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate actix-web-prometheus 0.1.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-web-prometheus 0.1.2
[INFO] finished tweaking crates.io crate actix-web-prometheus 0.1.2
[INFO] tweaked toml for crates.io crate actix-web-prometheus 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate actix-web-prometheus 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded tracing-core v0.1.29
[INFO] [stderr]   Downloaded tracing v0.1.36
[INFO] [stderr]   Downloaded time v0.3.14
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded prometheus v0.13.2
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4feae4f78f1530cb17bf6b9bf09ad87cb9ef5a21c6632c2719b9d95825f962
[INFO] running `Command { std: "docker" "start" "-a" "2f4feae4f78f1530cb17bf6b9bf09ad87cb9ef5a21c6632c2719b9d95825f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4feae4f78f1530cb17bf6b9bf09ad87cb9ef5a21c6632c2719b9d95825f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4feae4f78f1530cb17bf6b9bf09ad87cb9ef5a21c6632c2719b9d95825f962", kill_on_drop: false }`
[INFO] [stdout] 2f4feae4f78f1530cb17bf6b9bf09ad87cb9ef5a21c6632c2719b9d95825f962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226115e95445c256e47d025b11b506c07eb05969f02c1bd0941eb2d9756fe41f
[INFO] running `Command { std: "docker" "start" "-a" "226115e95445c256e47d025b11b506c07eb05969f02c1bd0941eb2d9756fe41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 serde_json v1.0.85
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking bytestring v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.27
[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" "226115e95445c256e47d025b11b506c07eb05969f02c1bd0941eb2d9756fe41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226115e95445c256e47d025b11b506c07eb05969f02c1bd0941eb2d9756fe41f", kill_on_drop: false }`
[INFO] [stdout] 226115e95445c256e47d025b11b506c07eb05969f02c1bd0941eb2d9756fe41f