[INFO] cloning repository https://github.com/gquintard/vmod-brown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gquintard/vmod-brown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgquintard%2Fvmod-brown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgquintard%2Fvmod-brown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a679875ff8de9a5bdf081ffbe49b4b59bb9e9a9
[INFO] checking gquintard/vmod-brown against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgquintard%2Fvmod-brown" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gquintard/vmod-brown
[INFO] finished tweaking git repo https://github.com/gquintard/vmod-brown
[INFO] tweaked toml for git repo https://github.com/gquintard/vmod-brown written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gquintard/vmod-brown on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gquintard/vmod-brown 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded cexpr v0.6.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded minimal-lexical v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded clang-sys v1.3.0
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded varnish-sys v0.0.16
[INFO] [stderr]   Downloaded varnish v0.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78db009c21cf6a7e9631137c450437010f2c958ebbb6c5012e53f9c6f0dd24c
[INFO] running `Command { std: "docker" "start" "-a" "d78db009c21cf6a7e9631137c450437010f2c958ebbb6c5012e53f9c6f0dd24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78db009c21cf6a7e9631137c450437010f2c958ebbb6c5012e53f9c6f0dd24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78db009c21cf6a7e9631137c450437010f2c958ebbb6c5012e53f9c6f0dd24c", kill_on_drop: false }`
[INFO] [stdout] d78db009c21cf6a7e9631137c450437010f2c958ebbb6c5012e53f9c6f0dd24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e7c531c448c961aa911e19a83c061c1093c91164ef497a306d7fea05b3e64c
[INFO] running `Command { std: "docker" "start" "-a" "a4e7c531c448c961aa911e19a83c061c1093c91164ef497a306d7fea05b3e64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a4e7c531c448c961aa911e19a83c061c1093c91164ef497a306d7fea05b3e64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e7c531c448c961aa911e19a83c061c1093c91164ef497a306d7fea05b3e64c", kill_on_drop: false }`
[INFO] [stdout] a4e7c531c448c961aa911e19a83c061c1093c91164ef497a306d7fea05b3e64c
