[INFO] cloning repository https://github.com/phudekar/rust_log_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phudekar/rust_log_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphudekar%2Frust_log_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphudekar%2Frust_log_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7579ab788282e78bbc4d1dd7d8eac25cac00eafd
[INFO] checking phudekar/rust_log_parser against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphudekar%2Frust_log_parser" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phudekar/rust_log_parser on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phudekar/rust_log_parser
[INFO] finished tweaking git repo https://github.com/phudekar/rust_log_parser
[INFO] tweaked toml for git repo https://github.com/phudekar/rust_log_parser written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/phudekar/rust_log_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 either v1.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7806f2ceb85fbc0dbb7978abeebad71201a4b30a64b69cb8f8a117a7fd912457
[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" "7806f2ceb85fbc0dbb7978abeebad71201a4b30a64b69cb8f8a117a7fd912457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7806f2ceb85fbc0dbb7978abeebad71201a4b30a64b69cb8f8a117a7fd912457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7806f2ceb85fbc0dbb7978abeebad71201a4b30a64b69cb8f8a117a7fd912457", kill_on_drop: false }`
[INFO] [stdout] 7806f2ceb85fbc0dbb7978abeebad71201a4b30a64b69cb8f8a117a7fd912457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca117d9796463d0ef5d45faf23851e21f782a009202e83be139b3a6fd8735164
[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" "ca117d9796463d0ef5d45faf23851e21f782a009202e83be139b3a6fd8735164", kill_on_drop: false }`
[INFO] [stderr]     Checking log-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::tree_node::TreeNode`
[INFO] [stdout]  --> src/messages/tree/message_tree_spec.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::tree_node::TreeNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "ca117d9796463d0ef5d45faf23851e21f782a009202e83be139b3a6fd8735164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca117d9796463d0ef5d45faf23851e21f782a009202e83be139b3a6fd8735164", kill_on_drop: false }`
[INFO] [stdout] ca117d9796463d0ef5d45faf23851e21f782a009202e83be139b3a6fd8735164