[INFO] cloning repository https://github.com/FreeFull/douady
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/douady" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fdouady", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fdouady'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebcacdf295b720f0d31c4f06653535872bb69306
[INFO] building FreeFull/douady against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fdouady" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/douady on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFull/douady
[INFO] finished tweaking git repo https://github.com/FreeFull/douady
[INFO] tweaked toml for git repo https://github.com/FreeFull/douady written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFull/douady 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5fd2f042a33600be54d34cdb58cb507bb3c6fca619ba6860b45506293ab8fa
[INFO] running `Command { std: "docker" "start" "-a" "fb5fd2f042a33600be54d34cdb58cb507bb3c6fca619ba6860b45506293ab8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5fd2f042a33600be54d34cdb58cb507bb3c6fca619ba6860b45506293ab8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5fd2f042a33600be54d34cdb58cb507bb3c6fca619ba6860b45506293ab8fa", kill_on_drop: false }`
[INFO] [stdout] fb5fd2f042a33600be54d34cdb58cb507bb3c6fca619ba6860b45506293ab8fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a01c0bc093483215a645975cfccfda07c56c3a248b98ce18142fc0b03716ef29
[INFO] running `Command { std: "docker" "start" "-a" "a01c0bc093483215a645975cfccfda07c56c3a248b98ce18142fc0b03716ef29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling tiny-skia-path v0.7.0
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.45
[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" "a01c0bc093483215a645975cfccfda07c56c3a248b98ce18142fc0b03716ef29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01c0bc093483215a645975cfccfda07c56c3a248b98ce18142fc0b03716ef29", kill_on_drop: false }`
[INFO] [stdout] a01c0bc093483215a645975cfccfda07c56c3a248b98ce18142fc0b03716ef29
