[INFO] cloning repository https://github.com/vladislavbailovic/ckr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladislavbailovic/ckr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladislavbailovic%2Fckr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladislavbailovic%2Fckr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 499d8f14efd4f42aa17505f0cc92c71e00ffd44f
[INFO] checking vladislavbailovic/ckr against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladislavbailovic%2Fckr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vladislavbailovic/ckr on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vladislavbailovic/ckr
[INFO] finished tweaking git repo https://github.com/vladislavbailovic/ckr
[INFO] tweaked toml for git repo https://github.com/vladislavbailovic/ckr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vladislavbailovic/ckr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 598cd5bb1cbfdff07a693ae834eb20b4b085251a4c8c7036c10167f4fa3dae18
[INFO] running `Command { std: "docker" "start" "-a" "598cd5bb1cbfdff07a693ae834eb20b4b085251a4c8c7036c10167f4fa3dae18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598cd5bb1cbfdff07a693ae834eb20b4b085251a4c8c7036c10167f4fa3dae18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598cd5bb1cbfdff07a693ae834eb20b4b085251a4c8c7036c10167f4fa3dae18", kill_on_drop: false }`
[INFO] [stdout] 598cd5bb1cbfdff07a693ae834eb20b4b085251a4c8c7036c10167f4fa3dae18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57cb1dedd67271c1bb7cd98e818a41e588a3c45e58544f8743c6eada990a225
[INFO] running `Command { std: "docker" "start" "-a" "a57cb1dedd67271c1bb7cd98e818a41e588a3c45e58544f8743c6eada990a225", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking ckr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/formatter/mod.rs:6:65
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_formatter(format: &str, storage: TodoStorage) -> Box<Formatter> {
[INFO] [stdout]   |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn Formatter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/formatter/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let fmt: Box<Formatter> = match format {
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn Formatter`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/formatter/mod.rs:6:65
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_formatter(format: &str, storage: TodoStorage) -> Box<Formatter> {
[INFO] [stdout]   |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn Formatter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/formatter/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let fmt: Box<Formatter> = match format {
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn Formatter`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/todo.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         &self.todos.push(item);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/todo.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         &self.todos.push(item);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "a57cb1dedd67271c1bb7cd98e818a41e588a3c45e58544f8743c6eada990a225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57cb1dedd67271c1bb7cd98e818a41e588a3c45e58544f8743c6eada990a225", kill_on_drop: false }`
[INFO] [stdout] a57cb1dedd67271c1bb7cd98e818a41e588a3c45e58544f8743c6eada990a225