[INFO] cloning repository https://github.com/AliShazly/gaussian-histogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AliShazly/gaussian-histogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliShazly%2Fgaussian-histogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliShazly%2Fgaussian-histogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 411498cb0d25a5ab813a4ed73014c7753c64852f
[INFO] building AliShazly/gaussian-histogram against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliShazly%2Fgaussian-histogram" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AliShazly/gaussian-histogram on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AliShazly/gaussian-histogram
[INFO] finished tweaking git repo https://github.com/AliShazly/gaussian-histogram
[INFO] tweaked toml for git repo https://github.com/AliShazly/gaussian-histogram written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AliShazly/gaussian-histogram 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded raw-window-handle v0.5.1
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded clap_derive v4.1.9
[INFO] [stderr]   Downloaded atk-sys v0.16.0
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded gtk-sys v0.16.0
[INFO] [stderr]   Downloaded gdk-sys v0.16.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] [stderr]   Downloaded pango-sys v0.16.3
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded image v0.24.5
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.3
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded rfd v0.11.2
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded puruspe v0.2.0
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.4
[INFO] [stderr]   Downloaded zune-inflate v0.2.52
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df155b5cc7a6b4b17ad97181fcd280a656545439c53f090e82d43947d1ee5c44
[INFO] running `Command { std: "docker" "start" "-a" "df155b5cc7a6b4b17ad97181fcd280a656545439c53f090e82d43947d1ee5c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df155b5cc7a6b4b17ad97181fcd280a656545439c53f090e82d43947d1ee5c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df155b5cc7a6b4b17ad97181fcd280a656545439c53f090e82d43947d1ee5c44", kill_on_drop: false }`
[INFO] [stdout] df155b5cc7a6b4b17ad97181fcd280a656545439c53f090e82d43947d1ee5c44
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf3c2340208c05826131051e69d89774c2bbcfd8e7e4772408ecc2892b88d70
[INFO] running `Command { std: "docker" "start" "-a" "baf3c2340208c05826131051e69d89774c2bbcfd8e7e4772408ecc2892b88d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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" "baf3c2340208c05826131051e69d89774c2bbcfd8e7e4772408ecc2892b88d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf3c2340208c05826131051e69d89774c2bbcfd8e7e4772408ecc2892b88d70", kill_on_drop: false }`
[INFO] [stdout] baf3c2340208c05826131051e69d89774c2bbcfd8e7e4772408ecc2892b88d70
