[INFO] fetching crate render_macros 0.3.1...
[INFO] building render_macros-0.3.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate render_macros 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate render_macros 0.3.1
[INFO] finished tweaking crates.io crate render_macros 0.3.1
[INFO] tweaked toml for crates.io crate render_macros 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate render_macros 0.3.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--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]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded render_macros v0.3.1
[INFO] [stderr]   Downloaded render v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10cefb5043f83ba4a04cf01e8ed441bbc8f2f039efbcc812c9383b3409d097d5
[INFO] running `Command { std: "docker" "start" "-a" "10cefb5043f83ba4a04cf01e8ed441bbc8f2f039efbcc812c9383b3409d097d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10cefb5043f83ba4a04cf01e8ed441bbc8f2f039efbcc812c9383b3409d097d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10cefb5043f83ba4a04cf01e8ed441bbc8f2f039efbcc812c9383b3409d097d5", kill_on_drop: false }`
[INFO] [stdout] 10cefb5043f83ba4a04cf01e8ed441bbc8f2f039efbcc812c9383b3409d097d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5df41695f643c892a2ea0df8e59221cec97b5f4b68b77f072a482391411f5c
[INFO] running `Command { std: "docker" "start" "-a" "9e5df41695f643c892a2ea0df8e59221cec97b5f4b68b77f072a482391411f5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling render_macros v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "9e5df41695f643c892a2ea0df8e59221cec97b5f4b68b77f072a482391411f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5df41695f643c892a2ea0df8e59221cec97b5f4b68b77f072a482391411f5c", kill_on_drop: false }`
[INFO] [stdout] 9e5df41695f643c892a2ea0df8e59221cec97b5f4b68b77f072a482391411f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4edf72dc9bf5b7e81a3818e37769deffcbfb312178d78ca4b53892410302315
[INFO] running `Command { std: "docker" "start" "-a" "e4edf72dc9bf5b7e81a3818e37769deffcbfb312178d78ca4b53892410302315", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling render_macros v0.3.1
[INFO] [stderr]    Compiling render_macros v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling render v0.3.1
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "e4edf72dc9bf5b7e81a3818e37769deffcbfb312178d78ca4b53892410302315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4edf72dc9bf5b7e81a3818e37769deffcbfb312178d78ca4b53892410302315", kill_on_drop: false }`
[INFO] [stdout] e4edf72dc9bf5b7e81a3818e37769deffcbfb312178d78ca4b53892410302315