[INFO] cloning repository https://github.com/Kehashi91/rustloot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kehashi91/rustloot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKehashi91%2Frustloot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKehashi91%2Frustloot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 970ce4a881893a4789c29b5cda46337e53984259
[INFO] checking Kehashi91/rustloot against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKehashi91%2Frustloot" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kehashi91/rustloot on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kehashi91/rustloot
[INFO] finished tweaking git repo https://github.com/Kehashi91/rustloot
[INFO] tweaked toml for git repo https://github.com/Kehashi91/rustloot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Kehashi91/rustloot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", 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] c112b6e0c734581490db3d5ab8dda7a94ce9510fa02a9ad3d5349349a7c96b69
[INFO] running `Command { std: "docker" "start" "-a" "c112b6e0c734581490db3d5ab8dda7a94ce9510fa02a9ad3d5349349a7c96b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c112b6e0c734581490db3d5ab8dda7a94ce9510fa02a9ad3d5349349a7c96b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c112b6e0c734581490db3d5ab8dda7a94ce9510fa02a9ad3d5349349a7c96b69", kill_on_drop: false }`
[INFO] [stdout] c112b6e0c734581490db3d5ab8dda7a94ce9510fa02a9ad3d5349349a7c96b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] e2ad3f80aa203d618e38515a5c0c7187e7e1a8d9cb2723aeaacc4e7818b25a25
[INFO] running `Command { std: "docker" "start" "-a" "e2ad3f80aa203d618e38515a5c0c7187e7e1a8d9cb2723aeaacc4e7818b25a25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rustloot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_items<P: AsRef<Path>>(path: P) -> Result<Vec<Item>, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_items<P: AsRef<Path>>(path: P) -> Result<Vec<Item>, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 33.51s
[INFO] running `Command { std: "docker" "inspect" "e2ad3f80aa203d618e38515a5c0c7187e7e1a8d9cb2723aeaacc4e7818b25a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ad3f80aa203d618e38515a5c0c7187e7e1a8d9cb2723aeaacc4e7818b25a25", kill_on_drop: false }`
[INFO] [stdout] e2ad3f80aa203d618e38515a5c0c7187e7e1a8d9cb2723aeaacc4e7818b25a25