[INFO] cloning repository https://github.com/levjj/rustsweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levjj/rustsweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ac027074b1995f2bd7193e5fb31b34d6dbb42b
[INFO] checking levjj/rustsweeper against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/levjj/rustsweeper on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/levjj/rustsweeper
[INFO] finished tweaking git repo https://github.com/levjj/rustsweeper
[INFO] tweaked toml for git repo https://github.com/levjj/rustsweeper written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/levjj/rustsweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.7
[INFO] [stderr]   Downloaded getrandom v0.1.7
[INFO] [stderr]   Downloaded yew-macro v0.7.0
[INFO] [stderr]   Downloaded yew v0.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded stdweb v0.4.18
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e4bca14cd6bf4c9139666dbdb6708127c646a2603b6be244b120ae3d9e382dd
[INFO] running `Command { std: "docker" "start" "-a" "6e4bca14cd6bf4c9139666dbdb6708127c646a2603b6be244b120ae3d9e382dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4bca14cd6bf4c9139666dbdb6708127c646a2603b6be244b120ae3d9e382dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4bca14cd6bf4c9139666dbdb6708127c646a2603b6be244b120ae3d9e382dd", kill_on_drop: false }`
[INFO] [stdout] 6e4bca14cd6bf4c9139666dbdb6708127c646a2603b6be244b120ae3d9e382dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cddbd16647b9786b3388533444c0380074456f477aff523ea70481cba68ecdbb
[INFO] running `Command { std: "docker" "start" "-a" "cddbd16647b9786b3388533444c0380074456f477aff523ea70481cba68ecdbb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   serde v1.0.98 (as host dependency): derive, serde_derive
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling yew v0.7.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling yew-macro v0.7.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]     Checking rustsweeper v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/model.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 x += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/model.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 x += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/model.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 x += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/model.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 x += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/model.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 x += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]    --> src/model.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 y += 1;
[INFO] [stdout]     |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 293 |         assert_neighbors!(field, (2, 2, 1), (2, 2, 2), (3, 2, 2), (1, 1, 1), (0, 0, 0))
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: this warning originates in the macro `assert_neighbors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]     Checking stdweb v0.4.18
[INFO] [stderr]     Checking yew v0.7.0
[INFO] [stderr]     Checking rustsweeper v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/ui/field.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             { for row.iter().enumerate().map(|(x, cell)| view_cell(x, y, cell, game_over))  }
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `proc_macro_call_0` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 55 |             { for dyn row.iter().enumerate().map(|(x, cell)| view_cell(x, y, cell, game_over))  }
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/ui/field.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |             { for grid.iter().enumerate().map(|(y, row)| view_row(y, row, game_over) )  }
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `proc_macro_call_0` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 65 |             { for dyn grid.iter().enumerate().map(|(y, row)| view_row(y, row, game_over) )  }
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/ui/field.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             { for row.iter().enumerate().map(|(x, cell)| view_cell(x, y, cell, game_over))  }
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `proc_macro_call_0` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 55 |             { for dyn row.iter().enumerate().map(|(x, cell)| view_cell(x, y, cell, game_over))  }
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]   --> src/ui/field.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |             { for grid.iter().enumerate().map(|(y, row)| view_row(y, row, game_over) )  }
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `proc_macro_call_0` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]    |
[INFO] [stdout] 65 |             { for dyn grid.iter().enumerate().map(|(y, row)| view_row(y, row, game_over) )  }
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustsweeper` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "cddbd16647b9786b3388533444c0380074456f477aff523ea70481cba68ecdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cddbd16647b9786b3388533444c0380074456f477aff523ea70481cba68ecdbb", kill_on_drop: false }`
[INFO] [stdout] cddbd16647b9786b3388533444c0380074456f477aff523ea70481cba68ecdbb