[INFO] fetching crate wood 0.4.3...
[INFO] checking wood-0.4.3 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate wood 0.4.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wood 0.4.3 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wood 0.4.3
[INFO] finished tweaking crates.io crate wood 0.4.3
[INFO] tweaked toml for crates.io crate wood 0.4.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate wood 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd3e487866d1ca5d3c3f92e37833153cda929ac9b6db9a9cfa3819ed58ba0787
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd3e487866d1ca5d3c3f92e37833153cda929ac9b6db9a9cfa3819ed58ba0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3e487866d1ca5d3c3f92e37833153cda929ac9b6db9a9cfa3819ed58ba0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3e487866d1ca5d3c3f92e37833153cda929ac9b6db9a9cfa3819ed58ba0787", kill_on_drop: false }`
[INFO] [stdout] cd3e487866d1ca5d3c3f92e37833153cda929ac9b6db9a9cfa3819ed58ba0787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f03c541b0a8c9fedaba5733788313e18d3bae1dbebc41a8eef18f824b6751a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3f03c541b0a8c9fedaba5733788313e18d3bae1dbebc41a8eef18f824b6751a", kill_on_drop: false }`
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]     Checking wood v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:232:1
[INFO] [stdout]     |
[INFO] [stdout] 232 | / macro_rules! wood_assert {
[INFO] [stdout] 233 | |     ($term:expr, $condition:expr, $message:expr) => {
[INFO] [stdout] 234 | |         if !$condition {
[INFO] [stdout] 235 | |             let (l, c) = ($term).line_and_col();
[INFO] [stdout] ...   |
[INFO] [stdout] 244 | |     };
[INFO] [stdout] 245 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:232:1
[INFO] [stdout]     |
[INFO] [stdout] 232 | / macro_rules! wood_assert {
[INFO] [stdout] 233 | |     ($term:expr, $condition:expr, $message:expr) => {
[INFO] [stdout] 234 | |         if !$condition {
[INFO] [stdout] 235 | |             let (l, c) = ($term).line_and_col();
[INFO] [stdout] ...   |
[INFO] [stdout] 244 | |     };
[INFO] [stdout] 245 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "f3f03c541b0a8c9fedaba5733788313e18d3bae1dbebc41a8eef18f824b6751a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f03c541b0a8c9fedaba5733788313e18d3bae1dbebc41a8eef18f824b6751a", kill_on_drop: false }`
[INFO] [stdout] f3f03c541b0a8c9fedaba5733788313e18d3bae1dbebc41a8eef18f824b6751a