[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] building alfredoyang/object_safety against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfredoyang%2Fobject_safety" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alfredoyang/object_safety on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f24f42cf656fe9efa54bfd30105f9f08f568e19d1a0d8d59354bfd1b8ec482e
[INFO] running `Command { std: "docker" "start" "-a" "8f24f42cf656fe9efa54bfd30105f9f08f568e19d1a0d8d59354bfd1b8ec482e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f24f42cf656fe9efa54bfd30105f9f08f568e19d1a0d8d59354bfd1b8ec482e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f24f42cf656fe9efa54bfd30105f9f08f568e19d1a0d8d59354bfd1b8ec482e", kill_on_drop: false }`
[INFO] [stdout] 8f24f42cf656fe9efa54bfd30105f9f08f568e19d1a0d8d59354bfd1b8ec482e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73a50e663236597e7fd3ac0f8b6b5fb68c7d97d2fcce2b7a540c9ec46eccfaf
[INFO] running `Command { std: "docker" "start" "-a" "e73a50e663236597e7fd3ac0f8b6b5fb68c7d97d2fcce2b7a540c9ec46eccfaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "e73a50e663236597e7fd3ac0f8b6b5fb68c7d97d2fcce2b7a540c9ec46eccfaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73a50e663236597e7fd3ac0f8b6b5fb68c7d97d2fcce2b7a540c9ec46eccfaf", kill_on_drop: false }`
[INFO] [stdout] e73a50e663236597e7fd3ac0f8b6b5fb68c7d97d2fcce2b7a540c9ec46eccfaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cef94be820ffdd8a4aac521e0f08d3269721356cb069e35ada2efa409543f7d
[INFO] running `Command { std: "docker" "start" "-a" "1cef94be820ffdd8a4aac521e0f08d3269721356cb069e35ada2efa409543f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling object_safety v0.1.0 (/opt/rustwide/workdir)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1cef94be820ffdd8a4aac521e0f08d3269721356cb069e35ada2efa409543f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cef94be820ffdd8a4aac521e0f08d3269721356cb069e35ada2efa409543f7d", kill_on_drop: false }`
[INFO] [stdout] 1cef94be820ffdd8a4aac521e0f08d3269721356cb069e35ada2efa409543f7d