[INFO] fetching crate yaml_file_handler 0.1.4...
[INFO] checking yaml_file_handler-0.1.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate yaml_file_handler 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate yaml_file_handler 0.1.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml_file_handler 0.1.4
[INFO] finished tweaking crates.io crate yaml_file_handler 0.1.4
[INFO] tweaked toml for crates.io crate yaml_file_handler 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yaml-rust v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2362cf5e9d0d1df9e4373047565c94d29d05c09bf4633473134459ff2fa0ff7a
[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" "2362cf5e9d0d1df9e4373047565c94d29d05c09bf4633473134459ff2fa0ff7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2362cf5e9d0d1df9e4373047565c94d29d05c09bf4633473134459ff2fa0ff7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2362cf5e9d0d1df9e4373047565c94d29d05c09bf4633473134459ff2fa0ff7a", kill_on_drop: false }`
[INFO] [stdout] 2362cf5e9d0d1df9e4373047565c94d29d05c09bf4633473134459ff2fa0ff7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84a64d2059879008dc379437bd10671f6049110d89efcf4f1009310e8a4aaa4e
[INFO] running `Command { std: "docker" "start" "-a" "84a64d2059879008dc379437bd10671f6049110d89efcf4f1009310e8a4aaa4e", kill_on_drop: false }`
[INFO] [stderr]     Checking yaml-rust v0.2.2
[INFO] [stderr]     Checking yaml_file_handler v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `yaml_handler::FileHandler`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use yaml_handler::FileHandler;
[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 1.02s
[INFO] running `Command { std: "docker" "inspect" "84a64d2059879008dc379437bd10671f6049110d89efcf4f1009310e8a4aaa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a64d2059879008dc379437bd10671f6049110d89efcf4f1009310e8a4aaa4e", kill_on_drop: false }`
[INFO] [stdout] 84a64d2059879008dc379437bd10671f6049110d89efcf4f1009310e8a4aaa4e