[INFO] cloning repository https://github.com/rnestler/clonable-vec-of-trait-objects-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rnestler/clonable-vec-of-trait-objects-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Fclonable-vec-of-trait-objects-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Fclonable-vec-of-trait-objects-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a0e8b8273bc11e94f7dcf84a0a83d24eff74781
[INFO] checking rnestler/clonable-vec-of-trait-objects-rs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frnestler%2Fclonable-vec-of-trait-objects-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rnestler/clonable-vec-of-trait-objects-rs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rnestler/clonable-vec-of-trait-objects-rs
[INFO] finished tweaking git repo https://github.com/rnestler/clonable-vec-of-trait-objects-rs
[INFO] tweaked toml for git repo https://github.com/rnestler/clonable-vec-of-trait-objects-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rnestler/clonable-vec-of-trait-objects-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] f012a97e5cb44883948c5db4f2c6cec82d62baa7139ee27a69490b1cc935e060
[INFO] running `Command { std: "docker" "start" "-a" "f012a97e5cb44883948c5db4f2c6cec82d62baa7139ee27a69490b1cc935e060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f012a97e5cb44883948c5db4f2c6cec82d62baa7139ee27a69490b1cc935e060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f012a97e5cb44883948c5db4f2c6cec82d62baa7139ee27a69490b1cc935e060", kill_on_drop: false }`
[INFO] [stdout] f012a97e5cb44883948c5db4f2c6cec82d62baa7139ee27a69490b1cc935e060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e983a16509caa5066d7465378b2260c668357a336b9b63cd5310d1fd676f284e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e983a16509caa5066d7465378b2260c668357a336b9b63cd5310d1fd676f284e", kill_on_drop: false }`
[INFO] [stderr]     Checking clonable-vec-of-trait-objects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/solution_c.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn box_clone(&self) -> Box<BoxCloneableTrait>; 
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[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/solution_c.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn box_clone(&self) -> Box<BoxCloneableTrait> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn box_clone(&self) -> Box<BoxCloneableTrait> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clone_vec(vec: &Vec<Box<BoxCloneableTrait>>) -> Vec<Box<BoxCloneableTrait>>{
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:19:64
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clone_vec(vec: &Vec<Box<BoxCloneableTrait>>) -> Vec<Box<BoxCloneableTrait>>{
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/solution_c.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn box_clone(&self) -> Box<BoxCloneableTrait>; 
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[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/solution_c.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn box_clone(&self) -> Box<BoxCloneableTrait> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn box_clone(&self) -> Box<BoxCloneableTrait> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clone_vec(vec: &Vec<Box<BoxCloneableTrait>>) -> Vec<Box<BoxCloneableTrait>>{
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solution_c.rs:19:64
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn clone_vec(vec: &Vec<Box<BoxCloneableTrait>>) -> Vec<Box<BoxCloneableTrait>>{
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vec: Vec<Box<Trait>> = vec![Box::new(A::new()), Box::new(B::new())];
[INFO] [stdout]   |                      ^^^^^ help: use `dyn`: `dyn Trait`
[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:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let vec: Vec<Box<BoxCloneableTrait>> = vec![Box::new(A::new()), Box::new(B::new())];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vec: Vec<Box<Trait>> = vec![Box::new(A::new()), Box::new(B::new())];
[INFO] [stdout]   |                      ^^^^^ help: use `dyn`: `dyn Trait`
[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:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let vec: Vec<Box<BoxCloneableTrait>> = vec![Box::new(A::new()), Box::new(B::new())];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BoxCloneableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e983a16509caa5066d7465378b2260c668357a336b9b63cd5310d1fd676f284e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e983a16509caa5066d7465378b2260c668357a336b9b63cd5310d1fd676f284e", kill_on_drop: false }`
[INFO] [stdout] e983a16509caa5066d7465378b2260c668357a336b9b63cd5310d1fd676f284e