[INFO] cloning repository https://github.com/FelixvL/rust_counter_up
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FelixvL/rust_counter_up" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixvL%2Frust_counter_up", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixvL%2Frust_counter_up'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ed8385f8bc93f284e51b2520b9ccb2e4867b9d
[INFO] checking FelixvL/rust_counter_up/b6ed8385f8bc93f284e51b2520b9ccb2e4867b9d against master#36e2b8a3a7aad93f8a92db6d254b746aa94ed6da for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFelixvL%2Frust_counter_up" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FelixvL/rust_counter_up
[INFO] finished tweaking git repo https://github.com/FelixvL/rust_counter_up
[INFO] tweaked toml for git repo https://github.com/FelixvL/rust_counter_up written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FelixvL/rust_counter_up on toolchain 36e2b8a3a7aad93f8a92db6d254b746aa94ed6da
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FelixvL/rust_counter_up 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" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_common v0.5.7
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded cpp_macros v0.5.7
[INFO] [stderr]   Downloaded qttypes v0.2.8
[INFO] [stderr]   Downloaded gettext-rs v0.7.0
[INFO] [stderr]   Downloaded qmetaobject v0.2.9
[INFO] [stderr]   Downloaded cstr v0.2.11
[INFO] [stderr]   Downloaded qmetaobject_impl v0.2.9
[INFO] [stderr]   Downloaded temp-dir v0.1.11
[INFO] [stderr]   Downloaded cpp_build v0.5.7
[INFO] [stderr]   Downloaded cpp v0.5.7
[INFO] [stderr]   Downloaded gettext-sys v0.21.3
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc40676b8ff46a88a077f005c58a0c2f5d5f8a49cba5ede7f8388eb8c70824c
[INFO] running `Command { std: "docker" "start" "-a" "0bc40676b8ff46a88a077f005c58a0c2f5d5f8a49cba5ede7f8388eb8c70824c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc40676b8ff46a88a077f005c58a0c2f5d5f8a49cba5ede7f8388eb8c70824c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc40676b8ff46a88a077f005c58a0c2f5d5f8a49cba5ede7f8388eb8c70824c", kill_on_drop: false }`
[INFO] [stdout] 0bc40676b8ff46a88a077f005c58a0c2f5d5f8a49cba5ede7f8388eb8c70824c
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a3af6444c2949c91f759dd09f2623559cb95d435c3e8046429bc9aad1a73b5
[INFO] running `Command { std: "docker" "start" "-a" "86a3af6444c2949c91f759dd09f2623559cb95d435c3e8046429bc9aad1a73b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling temp-dir v0.1.11
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] 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" "86a3af6444c2949c91f759dd09f2623559cb95d435c3e8046429bc9aad1a73b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a3af6444c2949c91f759dd09f2623559cb95d435c3e8046429bc9aad1a73b5", kill_on_drop: false }`
[INFO] [stdout] 86a3af6444c2949c91f759dd09f2623559cb95d435c3e8046429bc9aad1a73b5