[INFO] cloning repository https://github.com/justnat3/rsdedupe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justnat3/rsdedupe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Frsdedupe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Frsdedupe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b21f81e53a366ee90187614de983a694b1f96b24
[INFO] checking justnat3/rsdedupe against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustnat3%2Frsdedupe" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justnat3/rsdedupe on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justnat3/rsdedupe
[INFO] finished tweaking git repo https://github.com/justnat3/rsdedupe
[INFO] tweaked toml for git repo https://github.com/justnat3/rsdedupe written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/justnat3/rsdedupe 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e606a106377f99f2ae1b1bbeadcf484972ec4efb61bbf39316de9c5b4aef2b04
[INFO] running `Command { std: "docker" "start" "-a" "e606a106377f99f2ae1b1bbeadcf484972ec4efb61bbf39316de9c5b4aef2b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e606a106377f99f2ae1b1bbeadcf484972ec4efb61bbf39316de9c5b4aef2b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e606a106377f99f2ae1b1bbeadcf484972ec4efb61bbf39316de9c5b4aef2b04", kill_on_drop: false }`
[INFO] [stdout] e606a106377f99f2ae1b1bbeadcf484972ec4efb61bbf39316de9c5b4aef2b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dreturn-local-variable-ptr" "-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08126596107d354e60cee591b1703a4ad034930cd4b5f2ff6eb8d389135d1e0
[INFO] running `Command { std: "docker" "start" "-a" "a08126596107d354e60cee591b1703a4ad034930cd4b5f2ff6eb8d389135d1e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cfg-expr v0.10.3
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 wayland-sys v0.29.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling crossfont v0.5.0
[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" "a08126596107d354e60cee591b1703a4ad034930cd4b5f2ff6eb8d389135d1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08126596107d354e60cee591b1703a4ad034930cd4b5f2ff6eb8d389135d1e0", kill_on_drop: false }`
[INFO] [stdout] a08126596107d354e60cee591b1703a4ad034930cd4b5f2ff6eb8d389135d1e0