[INFO] cloning repository https://github.com/kamilgnyszka/rust-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamilgnyszka/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamilgnyszka%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamilgnyszka%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df09db3d90ff0e7c9cfdde074dfeb514eda7ed45
[INFO] checking kamilgnyszka/rust-101 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamilgnyszka%2Frust-101" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamilgnyszka/rust-101 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamilgnyszka/rust-101
[INFO] finished tweaking git repo https://github.com/kamilgnyszka/rust-101
[INFO] tweaked toml for git repo https://github.com/kamilgnyszka/rust-101 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamilgnyszka/rust-101 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 691515fe428dce17c5fbdd8dff821edffe07443feba00cf25bedbba109c80e51
[INFO] running `Command { std: "docker" "start" "-a" "691515fe428dce17c5fbdd8dff821edffe07443feba00cf25bedbba109c80e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "691515fe428dce17c5fbdd8dff821edffe07443feba00cf25bedbba109c80e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691515fe428dce17c5fbdd8dff821edffe07443feba00cf25bedbba109c80e51", kill_on_drop: false }`
[INFO] [stdout] 691515fe428dce17c5fbdd8dff821edffe07443feba00cf25bedbba109c80e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48064c929732135286610cd4292cb3a5487734b5d308041b115357f66b5fbc13
[INFO] running `Command { std: "docker" "start" "-a" "48064c929732135286610cd4292cb3a5487734b5d308041b115357f66b5fbc13", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part11.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stdout] 43 +     callbacks: Vec<Box<dyn FnMut(i32)>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part12.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stdout] 28 +     callbacks: Vec<Rc<dyn Fn(i32)>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/part12.rs:126:31
[INFO] [stdout]     |
[INFO] [stdout] 126 |     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stdout] 126 +     callbacks: Vec<Rc<RefCell<dyn FnMut(i32)>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part11.rs:53:46
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stdout] 53 +     pub fn register(&mut self, callback: Box<dyn FnMut(i32)>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part11.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stdout] 43 +     callbacks: Vec<Box<dyn FnMut(i32)>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part12.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stdout] 28 +     callbacks: Vec<Rc<dyn Fn(i32)>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/part12.rs:126:31
[INFO] [stdout]     |
[INFO] [stdout] 126 |     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stdout] 126 +     callbacks: Vec<Rc<RefCell<dyn FnMut(i32)>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/part11.rs:53:46
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stdout] 53 +     pub fn register(&mut self, callback: Box<dyn FnMut(i32)>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "48064c929732135286610cd4292cb3a5487734b5d308041b115357f66b5fbc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48064c929732135286610cd4292cb3a5487734b5d308041b115357f66b5fbc13", kill_on_drop: false }`
[INFO] [stdout] 48064c929732135286610cd4292cb3a5487734b5d308041b115357f66b5fbc13