[INFO] fetching crate jiao-cairo 0.3.5...
[INFO] testing jiao-cairo-0.3.5 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate jiao-cairo 0.3.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate jiao-cairo 0.3.5
[INFO] finished tweaking crates.io crate jiao-cairo 0.3.5
[INFO] tweaked toml for crates.io crate jiao-cairo 0.3.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jiao-cairo 0.3.5 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding cairo-rs v0.17.10 (available: v0.21.1)
[INFO] [stderr]       Adding jiao v0.3.5 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cairo-rs v0.17.10
[INFO] [stderr]   Downloaded jiao v0.3.5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 349e6509deb0f6d712a738a06b8ec849ff3527d45aefa04133dd5453495bc75d
[INFO] running `Command { std: "docker" "start" "-a" "349e6509deb0f6d712a738a06b8ec849ff3527d45aefa04133dd5453495bc75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349e6509deb0f6d712a738a06b8ec849ff3527d45aefa04133dd5453495bc75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349e6509deb0f6d712a738a06b8ec849ff3527d45aefa04133dd5453495bc75d", kill_on_drop: false }`
[INFO] [stdout] 349e6509deb0f6d712a738a06b8ec849ff3527d45aefa04133dd5453495bc75d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a5fd51a2205d82dff2690bcbca649b971229131280ba4b9db6579284a9e1c4
[INFO] running `Command { std: "docker" "start" "-a" "e8a5fd51a2205d82dff2690bcbca649b971229131280ba4b9db6579284a9e1c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling jiao v0.3.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling glib-macros v0.17.10
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling glib-sys v0.17.10
[INFO] [stderr]    Compiling gobject-sys v0.17.10
[INFO] [stderr]    Compiling gio-sys v0.17.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.17.10
[INFO] [stderr]    Compiling glib v0.17.10
[INFO] [stderr]    Compiling cairo-rs v0.17.10
[INFO] [stderr]    Compiling jiao-cairo v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]  --> src/error.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Error(cairo::Error);
[INFO] [stdout]   |            ----- ^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jiao-cairo` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8a5fd51a2205d82dff2690bcbca649b971229131280ba4b9db6579284a9e1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a5fd51a2205d82dff2690bcbca649b971229131280ba4b9db6579284a9e1c4", kill_on_drop: false }`
[INFO] [stdout] e8a5fd51a2205d82dff2690bcbca649b971229131280ba4b9db6579284a9e1c4