[INFO] cloning repository https://github.com/pierrechevalier83/gossip_scribe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pierrechevalier83/gossip_scribe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fgossip_scribe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fgossip_scribe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52e8d9ed2a9e6c0e00d7e8b84fb10b6896c31daf
[INFO] checking pierrechevalier83/gossip_scribe against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Fgossip_scribe" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pierrechevalier83/gossip_scribe on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pierrechevalier83/gossip_scribe
[INFO] finished tweaking git repo https://github.com/pierrechevalier83/gossip_scribe
[INFO] tweaked toml for git repo https://github.com/pierrechevalier83/gossip_scribe written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pierrechevalier83/gossip_scribe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5539cf751da37d17f5cb7e829b8234e742033dc151c66b3f66f6bf8622bdd1c
[INFO] running `"docker" "start" "-a" "c5539cf751da37d17f5cb7e829b8234e742033dc151c66b3f66f6bf8622bdd1c"`
[INFO] [stderr]     Checking gossip_scribe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `GossipEvent`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct GossipEvent {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Node {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GossipEvent`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct GossipEvent {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Node {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "c5539cf751da37d17f5cb7e829b8234e742033dc151c66b3f66f6bf8622bdd1c"`
[INFO] running `"docker" "rm" "-f" "c5539cf751da37d17f5cb7e829b8234e742033dc151c66b3f66f6bf8622bdd1c"`
[INFO] [stdout] c5539cf751da37d17f5cb7e829b8234e742033dc151c66b3f66f6bf8622bdd1c