[INFO] cloning repository https://github.com/Adam-van-der-Voorn/connect4-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adam-van-der-Voorn/connect4-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-van-der-Voorn%2Fconnect4-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-van-der-Voorn%2Fconnect4-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d8bd2b37c0e33dae7866e8e4f7d9d6d0fcf4f9f
[INFO] checking Adam-van-der-Voorn/connect4-rust against master#59fd4ef94daa991e6797b5aa6127e824f3067def for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-van-der-Voorn%2Fconnect4-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Adam-van-der-Voorn/connect4-rust
[INFO] finished tweaking git repo https://github.com/Adam-van-der-Voorn/connect4-rust
[INFO] tweaked toml for git repo https://github.com/Adam-van-der-Voorn/connect4-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Adam-van-der-Voorn/connect4-rust on toolchain 59fd4ef94daa991e6797b5aa6127e824f3067def
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Adam-van-der-Voorn/connect4-rust 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" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded rstest_macros v0.14.0
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded indoc v1.0.7
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded rustversion v1.0.9
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded rstest v0.15.0
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbcdfa07291c89dfd5c046d736c39e7e2f22194ba957b182efcacd4118243a9f
[INFO] running `Command { std: "docker" "start" "-a" "dbcdfa07291c89dfd5c046d736c39e7e2f22194ba957b182efcacd4118243a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbcdfa07291c89dfd5c046d736c39e7e2f22194ba957b182efcacd4118243a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcdfa07291c89dfd5c046d736c39e7e2f22194ba957b182efcacd4118243a9f", kill_on_drop: false }`
[INFO] [stdout] dbcdfa07291c89dfd5c046d736c39e7e2f22194ba957b182efcacd4118243a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7372cd992c6ff02a7640ffe1c73ab83f3c71fc331d112954d5c373c71847eb0
[INFO] running `Command { std: "docker" "start" "-a" "e7372cd992c6ff02a7640ffe1c73ab83f3c71fc331d112954d5c373c71847eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]    Compiling rstest_macros v0.14.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[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" "e7372cd992c6ff02a7640ffe1c73ab83f3c71fc331d112954d5c373c71847eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7372cd992c6ff02a7640ffe1c73ab83f3c71fc331d112954d5c373c71847eb0", kill_on_drop: false }`
[INFO] [stdout] e7372cd992c6ff02a7640ffe1c73ab83f3c71fc331d112954d5c373c71847eb0
