[INFO] cloning repository https://github.com/iwot/cpbd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwot/cpbd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwot%2Fcpbd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwot%2Fcpbd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce038377ee54d218bce93f7010aff5ea3b0cbe96
[INFO] checking iwot/cpbd against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwot%2Fcpbd" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iwot/cpbd on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iwot/cpbd
[INFO] finished tweaking git repo https://github.com/iwot/cpbd
[INFO] tweaked toml for git repo https://github.com/iwot/cpbd written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iwot/cpbd 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded mime_guess v2.0.1
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded try-lock v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.1.12
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded utf-8 v0.7.5
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded mime v0.3.14
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded safemem v0.3.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.2
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e615d6284324db3e7349093878824fb83e38db4ba45f2a92b623fd614175ba
[INFO] running `Command { std: "docker" "start" "-a" "40e615d6284324db3e7349093878824fb83e38db4ba45f2a92b623fd614175ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e615d6284324db3e7349093878824fb83e38db4ba45f2a92b623fd614175ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e615d6284324db3e7349093878824fb83e38db4ba45f2a92b623fd614175ba", kill_on_drop: false }`
[INFO] [stdout] 40e615d6284324db3e7349093878824fb83e38db4ba45f2a92b623fd614175ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d3c8b45be87bd06b464a6c8c0f900fd38c8efa0790c1c0e0f7353f309c4dd31
[INFO] running `Command { std: "docker" "start" "-a" "2d3c8b45be87bd06b464a6c8c0f900fd38c8efa0790c1c0e0f7353f309c4dd31", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 mime v0.3.14
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d3c8b45be87bd06b464a6c8c0f900fd38c8efa0790c1c0e0f7353f309c4dd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3c8b45be87bd06b464a6c8c0f900fd38c8efa0790c1c0e0f7353f309c4dd31", kill_on_drop: false }`
[INFO] [stdout] 2d3c8b45be87bd06b464a6c8c0f900fd38c8efa0790c1c0e0f7353f309c4dd31