[INFO] cloning repository https://github.com/Akanoa/KV-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akanoa/KV-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkanoa%2FKV-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkanoa%2FKV-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2141d5f04bad36d307426949ed0fdc463ae22e1f
[INFO] checking Akanoa/KV-lab against master#e0e204f3e97ad5f79524b9c259dc38df606ed82c for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkanoa%2FKV-lab" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Akanoa/KV-lab
[INFO] finished tweaking git repo https://github.com/Akanoa/KV-lab
[INFO] tweaked toml for git repo https://github.com/Akanoa/KV-lab written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akanoa/KV-lab on toolchain e0e204f3e97ad5f79524b9c259dc38df606ed82c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akanoa/KV-lab 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" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.8
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.146
[INFO] [stderr]   Downloaded async-trait v0.1.58
[INFO] [stderr]   Downloaded actix-files v0.6.2
[INFO] [stderr]   Downloaded actix-rt v2.7.0
[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.79
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded cxx v1.0.79
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.79
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded cxx-build v1.0.79
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded hyper v0.14.20
[INFO] [stderr]   Downloaded oauth2 v4.2.3
[INFO] [stderr]   Downloaded serde v1.0.146
[INFO] [stderr]   Downloaded actix-session v0.7.2
[INFO] [stderr]   Downloaded actix-codec v0.5.0
[INFO] [stderr]   Downloaded bytestring v1.1.0
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51277a6fd28b765d79395e00b66b3dcb509c02a448fc9bc6e3720d7dd253cad1
[INFO] running `Command { std: "docker" "start" "-a" "51277a6fd28b765d79395e00b66b3dcb509c02a448fc9bc6e3720d7dd253cad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51277a6fd28b765d79395e00b66b3dcb509c02a448fc9bc6e3720d7dd253cad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51277a6fd28b765d79395e00b66b3dcb509c02a448fc9bc6e3720d7dd253cad1", kill_on_drop: false }`
[INFO] [stdout] 51277a6fd28b765d79395e00b66b3dcb509c02a448fc9bc6e3720d7dd253cad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1929e0d1a1870925f61d47393b50920f6668af1847de7b96c6d841bf38149a91
[INFO] running `Command { std: "docker" "start" "-a" "1929e0d1a1870925f61d47393b50920f6668af1847de7b96c6d841bf38149a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking itoa v1.0.4
[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] 
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.146
[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" "1929e0d1a1870925f61d47393b50920f6668af1847de7b96c6d841bf38149a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1929e0d1a1870925f61d47393b50920f6668af1847de7b96c6d841bf38149a91", kill_on_drop: false }`
[INFO] [stdout] 1929e0d1a1870925f61d47393b50920f6668af1847de7b96c6d841bf38149a91
