[INFO] cloning repository https://github.com/alfredoyang/object_safety
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alfredoyang/object_safety" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfredoyang%2Fobject_safety", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfredoyang%2Fobject_safety'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d74dae986edd8d1fe32353dc2de2b87f09c29ad
[INFO] checking alfredoyang/object_safety against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfredoyang%2Fobject_safety" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alfredoyang/object_safety
[INFO] finished tweaking git repo https://github.com/alfredoyang/object_safety
[INFO] tweaked toml for git repo https://github.com/alfredoyang/object_safety written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alfredoyang/object_safety on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alfredoyang/object_safety already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524
[INFO] running `Command { std: "docker" "start" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking object_safety v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new2`, `do_nothing`, and `die` are never used
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Animal {
[INFO] [stdout]    |       ------ associated items in this trait
[INFO] [stdout] 14 |     fn new() -> Box<dyn Animal> where Self: Sized;
[INFO] [stdout] 15 |     fn new2() -> Self where Self: Sized;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 16 |     fn do_nothing() where Self: Sized {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 17 |     fn die(self);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `do_nothing` is never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Animal {
[INFO] [stdout]    |       ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn do_nothing() where Self: Sized {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524", kill_on_drop: false }`
[INFO] [stdout] d5170a2f449c372a837162be9e8861185b7c7e54493791ee5993752e4f6f2524
