[INFO] cloning repository https://github.com/pixelmonaskarion/pcs_attachment_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixelmonaskarion/pcs_attachment_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelmonaskarion%2Fpcs_attachment_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelmonaskarion%2Fpcs_attachment_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e3e3fe64e33c00242d9bc92b41a40de882016c8
[INFO] checking pixelmonaskarion/pcs_attachment_server/9e3e3fe64e33c00242d9bc92b41a40de882016c8 against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelmonaskarion%2Fpcs_attachment_server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pixelmonaskarion/pcs_attachment_server on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pixelmonaskarion/pcs_attachment_server
[INFO] finished tweaking git repo https://github.com/pixelmonaskarion/pcs_attachment_server
[INFO] tweaked toml for git repo https://github.com/pixelmonaskarion/pcs_attachment_server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pixelmonaskarion/pcs_attachment_server 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.7.4
[INFO] [stderr]   Downloaded bitflags v2.3.1
[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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4125cac0a1136d580efcfa66fe92ebb9db90c6b72aa6975964eaef44edd81a8
[INFO] running `Command { std: "docker" "start" "-a" "f4125cac0a1136d580efcfa66fe92ebb9db90c6b72aa6975964eaef44edd81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4125cac0a1136d580efcfa66fe92ebb9db90c6b72aa6975964eaef44edd81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4125cac0a1136d580efcfa66fe92ebb9db90c6b72aa6975964eaef44edd81a8", kill_on_drop: false }`
[INFO] [stdout] f4125cac0a1136d580efcfa66fe92ebb9db90c6b72aa6975964eaef44edd81a8
[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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18dd7a05724d85154af8a40f47b297c924467b122a55cb10c44476233d3e0919
[INFO] running `Command { std: "docker" "start" "-a" "18dd7a05724d85154af8a40f47b297c924467b122a55cb10c44476233d3e0919", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 tracing-core v0.1.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling ref-cast v1.0.16
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking opaque-debug v0.3.0
[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" "18dd7a05724d85154af8a40f47b297c924467b122a55cb10c44476233d3e0919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dd7a05724d85154af8a40f47b297c924467b122a55cb10c44476233d3e0919", kill_on_drop: false }`
[INFO] [stdout] 18dd7a05724d85154af8a40f47b297c924467b122a55cb10c44476233d3e0919