[INFO] cloning repository https://github.com/tohhsinpei/battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tohhsinpei/battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftohhsinpei%2Fbattleship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftohhsinpei%2Fbattleship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99c3b4fb340fed604fc0876ae1ad538204e762fa
[INFO] checking tohhsinpei/battleship against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftohhsinpei%2Fbattleship" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tohhsinpei/battleship on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tohhsinpei/battleship
[INFO] finished tweaking git repo https://github.com/tohhsinpei/battleship
[INFO] tweaked toml for git repo https://github.com/tohhsinpei/battleship written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tohhsinpei/battleship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf289ab743c8e56f9cdfa5fa9b807521f7daad19ba5c8e43f0a6140a83636798
[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" "cf289ab743c8e56f9cdfa5fa9b807521f7daad19ba5c8e43f0a6140a83636798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf289ab743c8e56f9cdfa5fa9b807521f7daad19ba5c8e43f0a6140a83636798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf289ab743c8e56f9cdfa5fa9b807521f7daad19ba5c8e43f0a6140a83636798", kill_on_drop: false }`
[INFO] [stdout] cf289ab743c8e56f9cdfa5fa9b807521f7daad19ba5c8e43f0a6140a83636798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e9949432f1f3f5906076db5c43559c7230e53b91acac4ddbfd8444b3e184b5
[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" "a7e9949432f1f3f5906076db5c43559c7230e53b91acac4ddbfd8444b3e184b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let points: Vec<(Point)> = compute_squares(ship, placement)
[INFO] [stdout]    |                         ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:31:55
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn print_ship_table(heading: &str, contents_fun: &Fn(usize) -> String) {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[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/types.rs:119:32
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types.rs:257:32
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/table_printer.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const NO_COL_LABEL: Option<(&Fn(usize) -> String, RowOptions)> = None;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/table_printer.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const NO_ROW_LABEL: Option<(&Fn(usize) -> String, ColumnOptions)> = None;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table_printer.rs:135:61
[INFO] [stdout]     |
[INFO] [stdout] 135 |                   b: &BorderPartOptions, content_from_col: &Fn(usize) -> String)
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table_printer.rs:156:60
[INFO] [stdout]     |
[INFO] [stdout] 156 |                  b: &BorderPartOptions, content_from_row: &Fn(usize) -> String)
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/game.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let points: Vec<(Point)> = compute_squares(ship, placement)
[INFO] [stdout]    |                         ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:31:55
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn print_ship_table(heading: &str, contents_fun: &Fn(usize) -> String) {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[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/types.rs:119:32
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/types.rs:257:32
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/table_printer.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const NO_COL_LABEL: Option<(&Fn(usize) -> String, RowOptions)> = None;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/table_printer.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const NO_ROW_LABEL: Option<(&Fn(usize) -> String, ColumnOptions)> = None;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table_printer.rs:135:61
[INFO] [stdout]     |
[INFO] [stdout] 135 |                   b: &BorderPartOptions, content_from_col: &Fn(usize) -> String)
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table_printer.rs:156:60
[INFO] [stdout]     |
[INFO] [stdout] 156 |                  b: &BorderPartOptions, content_from_row: &Fn(usize) -> String)
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.37s
[INFO] running `Command { std: "docker" "inspect" "a7e9949432f1f3f5906076db5c43559c7230e53b91acac4ddbfd8444b3e184b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e9949432f1f3f5906076db5c43559c7230e53b91acac4ddbfd8444b3e184b5", kill_on_drop: false }`
[INFO] [stdout] a7e9949432f1f3f5906076db5c43559c7230e53b91acac4ddbfd8444b3e184b5