[INFO] cloning repository https://github.com/gilberto9312/clon_tw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilberto9312/clon_tw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilberto9312%2Fclon_tw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilberto9312%2Fclon_tw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c17804e1a572a98cafa3fae11682e51beb4bc6
[INFO] checking gilberto9312/clon_tw against master#ff0b4b6091a75ad840035a991426c8bc9fbd93bb for pr-117673
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilberto9312%2Fclon_tw" "/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/gilberto9312/clon_tw on toolchain ff0b4b6091a75ad840035a991426c8bc9fbd93bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilberto9312/clon_tw
[INFO] finished tweaking git repo https://github.com/gilberto9312/clon_tw
[INFO] tweaked toml for git repo https://github.com/gilberto9312/clon_tw written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gilberto9312/clon_tw 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" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 4803 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] error: failed to download from `https://crates.io/api/v1/crates/cxx-build/1.0.86/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [7] Couldn't connect to server (Failed to connect to crates.io port 443 after 0 ms: Couldn't connect to server)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking gilberto9312/clon_tw against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilberto9312%2Fclon_tw" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilberto9312/clon_tw on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilberto9312/clon_tw
[INFO] finished tweaking git repo https://github.com/gilberto9312/clon_tw
[INFO] tweaked toml for git repo https://github.com/gilberto9312/clon_tw written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilberto9312/clon_tw 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" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.86
[INFO] [stderr]   Downloaded cxx-build v1.0.86
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.86
[INFO] [stderr]   Downloaded cxx v1.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e49859165914ce50b49cac2d0710be6cf20edb664bffcfd2e16f216bf888810c
[INFO] running `Command { std: "docker" "start" "-a" "e49859165914ce50b49cac2d0710be6cf20edb664bffcfd2e16f216bf888810c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e49859165914ce50b49cac2d0710be6cf20edb664bffcfd2e16f216bf888810c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49859165914ce50b49cac2d0710be6cf20edb664bffcfd2e16f216bf888810c", kill_on_drop: false }`
[INFO] [stdout] e49859165914ce50b49cac2d0710be6cf20edb664bffcfd2e16f216bf888810c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e06c5c758e27095cfddd86d62eda507c4916d588443551cc2565f728a3219cf
[INFO] running `Command { std: "docker" "start" "-a" "0e06c5c758e27095cfddd86d62eda507c4916d588443551cc2565f728a3219cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[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 tracing v0.1.37
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stdout] error: aborting due to 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" "0e06c5c758e27095cfddd86d62eda507c4916d588443551cc2565f728a3219cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e06c5c758e27095cfddd86d62eda507c4916d588443551cc2565f728a3219cf", kill_on_drop: false }`
[INFO] [stdout] 0e06c5c758e27095cfddd86d62eda507c4916d588443551cc2565f728a3219cf