[INFO] cloning repository https://github.com/lf-/object-safety-issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf-/object-safety-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 482e4d19808b7eff6a1a7cbf952d95469dd019d0 [INFO] testing lf-/object-safety-issue against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue" "/workspace/builds/worker-23/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lf-/object-safety-issue on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lf-/object-safety-issue [INFO] finished tweaking git repo https://github.com/lf-/object-safety-issue [INFO] tweaked toml for git repo https://github.com/lf-/object-safety-issue written to /workspace/builds/worker-23/source/Cargo.toml [INFO] crate git repo https://github.com/lf-/object-safety-issue already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 776390cc8db1476c27a1042f8b438de3d663cf1b9e786ab067b4894cbdc7cad1 [INFO] running `Command { std: "docker" "start" "-a" "776390cc8db1476c27a1042f8b438de3d663cf1b9e786ab067b4894cbdc7cad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "776390cc8db1476c27a1042f8b438de3d663cf1b9e786ab067b4894cbdc7cad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "776390cc8db1476c27a1042f8b438de3d663cf1b9e786ab067b4894cbdc7cad1", kill_on_drop: false }` [INFO] [stdout] 776390cc8db1476c27a1042f8b438de3d663cf1b9e786ab067b4894cbdc7cad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c259a9068f3351a978ce3800acba67c9c5d62412aca19e0f907ffad2330120e7 [INFO] running `Command { std: "docker" "start" "-a" "c259a9068f3351a978ce3800acba67c9c5d62412aca19e0f907ffad2330120e7", kill_on_drop: false }` [INFO] [stderr] Compiling v v0.1.0 (/opt/rustwide/workdir/v) [INFO] [stderr] Compiling play-si1zd_4v v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0038]: the trait `T2` cannot be made into an object [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | fn f(a: Box) {} [INFO] [stdout] | ^^^^^^ `T2` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | trait T2: v::T1 { [INFO] [stdout] | -- ^^^^^ ...because it requires `Self: Sized` [INFO] [stdout] | | [INFO] [stdout] | this trait cannot be made into an object... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stderr] error: could not compile `play-si1zd_4v` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c259a9068f3351a978ce3800acba67c9c5d62412aca19e0f907ffad2330120e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c259a9068f3351a978ce3800acba67c9c5d62412aca19e0f907ffad2330120e7", kill_on_drop: false }` [INFO] [stdout] c259a9068f3351a978ce3800acba67c9c5d62412aca19e0f907ffad2330120e7