[INFO] fetching crate pr47 0.1.4-CHARLIE...
[INFO] checking pr47-0.1.4-CHARLIE against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate pr47 0.1.4-CHARLIE into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pr47 0.1.4-CHARLIE on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pr47 0.1.4-CHARLIE
[INFO] finished tweaking crates.io crate pr47 0.1.4-CHARLIE
[INFO] tweaked toml for crates.io crate pr47 0.1.4-CHARLIE written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pr47 0.1.4-CHARLIE 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded xjbutil v0.9.0-CHARLIE
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded pr47-codegen v0.0.2
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded async-task v4.3.0
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded unchecked_unwrap v4.0.0
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c58ab4131c06b49e070d69c4843ad4f924bc2d367a735f9b6ba0c0a576f3bca
[INFO] running `Command { std: "docker" "start" "-a" "8c58ab4131c06b49e070d69c4843ad4f924bc2d367a735f9b6ba0c0a576f3bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c58ab4131c06b49e070d69c4843ad4f924bc2d367a735f9b6ba0c0a576f3bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c58ab4131c06b49e070d69c4843ad4f924bc2d367a735f9b6ba0c0a576f3bca", kill_on_drop: false }`
[INFO] [stdout] 8c58ab4131c06b49e070d69c4843ad4f924bc2d367a735f9b6ba0c0a576f3bca
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09c1838e4a4cf702ee632f67a5d110ef0aae2308b973059e01f4bf8187cd58b
[INFO] running `Command { std: "docker" "start" "-a" "e09c1838e4a4cf702ee632f67a5d110ef0aae2308b973059e01f4bf8187cd58b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 unchecked_unwrap v4.0.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e09c1838e4a4cf702ee632f67a5d110ef0aae2308b973059e01f4bf8187cd58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09c1838e4a4cf702ee632f67a5d110ef0aae2308b973059e01f4bf8187cd58b", kill_on_drop: false }`
[INFO] [stdout] e09c1838e4a4cf702ee632f67a5d110ef0aae2308b973059e01f4bf8187cd58b