[INFO] fetching crate text-grid 0.2.0...
[INFO] checking text-grid-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate text-grid 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate text-grid 0.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text-grid 0.2.0
[INFO] finished tweaking crates.io crate text-grid 0.2.0
[INFO] tweaked toml for crates.io crate text-grid 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04cb94e14c815c1902bb087a94af41861eec9e3a396340d044254ec654dca105
[INFO] running `Command { std: "docker" "start" "-a" "04cb94e14c815c1902bb087a94af41861eec9e3a396340d044254ec654dca105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04cb94e14c815c1902bb087a94af41861eec9e3a396340d044254ec654dca105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cb94e14c815c1902bb087a94af41861eec9e3a396340d044254ec654dca105", kill_on_drop: false }`
[INFO] [stdout] 04cb94e14c815c1902bb087a94af41861eec9e3a396340d044254ec654dca105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657d01293aecedc4cf52e427a3a71388da0f2f57fae2c259a321b71d36b5897e
[INFO] running `Command { std: "docker" "start" "-a" "657d01293aecedc4cf52e427a3a71388da0f2f57fae2c259a321b71d36b5897e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking text-grid v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grid.rs:99:27
[INFO] [stdout]    |
[INFO] [stdout] 99 |     _phantom: PhantomData<Fn(&R)>,
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Fn(&R)`
[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/grid.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     _phantom: PhantomData<Fn(S)>,
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Fn(S)`
[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/grid.rs:202:27
[INFO] [stdout]     |
[INFO] [stdout] 202 |     _phantom: PhantomData<Fn(S)>,
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Fn(S)`
[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/grid.rs:99:27
[INFO] [stdout]    |
[INFO] [stdout] 99 |     _phantom: PhantomData<Fn(&R)>,
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Fn(&R)`
[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/grid.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |     _phantom: PhantomData<Fn(S)>,
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Fn(S)`
[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/grid.rs:202:27
[INFO] [stdout]     |
[INFO] [stdout] 202 |     _phantom: PhantomData<Fn(S)>,
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Fn(S)`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "657d01293aecedc4cf52e427a3a71388da0f2f57fae2c259a321b71d36b5897e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657d01293aecedc4cf52e427a3a71388da0f2f57fae2c259a321b71d36b5897e", kill_on_drop: false }`
[INFO] [stdout] 657d01293aecedc4cf52e427a3a71388da0f2f57fae2c259a321b71d36b5897e