[INFO] cloning repository https://github.com/fadeoffical/racker-example-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fadeoffical/racker-example-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffadeoffical%2Fracker-example-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffadeoffical%2Fracker-example-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10fda688e5b90bd059270c378ac201dc58286f17
[INFO] checking fadeoffical/racker-example-plugin against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffadeoffical%2Fracker-example-plugin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fadeoffical/racker-example-plugin
[INFO] finished tweaking git repo https://github.com/fadeoffical/racker-example-plugin
[INFO] tweaked toml for git repo https://github.com/fadeoffical/racker-example-plugin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fadeoffical/racker-example-plugin 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/fadeoffical/racker-example-plugin 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]     Updating git repository `https://github.com/fadeoffical/racker.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-xml-rs v0.6.0
[INFO] [stderr]   Downloaded password-hash v0.4.2
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded bzip2 v0.4.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.92
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded paste v1.0.12
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded actix-web-codegen v4.2.0
[INFO] [stderr]   Downloaded actix-server v2.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded cxx-build v1.0.92
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.92
[INFO] [stderr]   Downloaded actix-http v3.3.1
[INFO] [stderr]   Downloaded cxx v1.0.92
[INFO] [stderr]   Downloaded actix-web v4.3.1
[INFO] [stderr]   Downloaded actix-router v0.5.1
[INFO] [stderr]   Downloaded cookie v0.16.2
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded fern v0.6.1
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]   Downloaded actix-rt v2.8.0
[INFO] [stderr]   Downloaded actix-utils v3.0.1
[INFO] [stderr]   Downloaded bytestring v1.3.0
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6605b237ea332f57dddbcffe494ccf8881e6b0e499319a2b566121d3cc1e65d6
[INFO] running `Command { std: "docker" "start" "-a" "6605b237ea332f57dddbcffe494ccf8881e6b0e499319a2b566121d3cc1e65d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6605b237ea332f57dddbcffe494ccf8881e6b0e499319a2b566121d3cc1e65d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6605b237ea332f57dddbcffe494ccf8881e6b0e499319a2b566121d3cc1e65d6", kill_on_drop: false }`
[INFO] [stdout] 6605b237ea332f57dddbcffe494ccf8881e6b0e499319a2b566121d3cc1e65d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e0d4427e1c5666e8b492a1b16697266c558a7c8678960088892842808c4735d1
[INFO] running `Command { std: "docker" "start" "-a" "e0d4427e1c5666e8b492a1b16697266c558a7c8678960088892842808c4735d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.8
[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" "e0d4427e1c5666e8b492a1b16697266c558a7c8678960088892842808c4735d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d4427e1c5666e8b492a1b16697266c558a7c8678960088892842808c4735d1", kill_on_drop: false }`
[INFO] [stdout] e0d4427e1c5666e8b492a1b16697266c558a7c8678960088892842808c4735d1