[INFO] cloning repository https://github.com/SvantjeJung/battleship [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SvantjeJung/battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e3b1c01abd3ec5c589da875097848bbee85b6cc [INFO] checking SvantjeJung/battleship against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SvantjeJung/battleship on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SvantjeJung/battleship [INFO] finished tweaking git repo https://github.com/SvantjeJung/battleship [INFO] tweaked toml for git repo https://github.com/SvantjeJung/battleship written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SvantjeJung/battleship already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v0.3.12 [INFO] [stderr] Downloaded serde_derive v0.9.6 [INFO] [stderr] Downloaded syn v0.11.4 [INFO] [stderr] Downloaded serde_codegen_internals v0.13.0 [INFO] [stderr] Downloaded term v0.4.5 [INFO] [stderr] Downloaded ctrlc v3.0.0 [INFO] [stderr] Downloaded num-traits v0.1.36 [INFO] [stderr] Downloaded bufstream v0.1.2 [INFO] [stderr] Downloaded vec_map v0.6.0 [INFO] [stderr] Downloaded unicode-segmentation v1.1.0 [INFO] [stderr] Downloaded byteorder v1.0.0 [INFO] [stderr] Downloaded chan v0.1.19 [INFO] [stderr] Downloaded term_size v0.2.2 [INFO] [stderr] Downloaded clap v2.20.3 [INFO] [stderr] Downloaded libc v0.2.20 [INFO] [stderr] Downloaded serde v0.9.6 [INFO] [stderr] Downloaded term-painter v0.2.3 [INFO] [stderr] Downloaded bincode v1.0.0-alpha1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40221fe3067030d6588614a20edbcfdf20ee361e96b18fa8d381fceaa4cb6628 [INFO] running `Command { std: "docker" "start" "-a" "40221fe3067030d6588614a20edbcfdf20ee361e96b18fa8d381fceaa4cb6628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40221fe3067030d6588614a20edbcfdf20ee361e96b18fa8d381fceaa4cb6628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40221fe3067030d6588614a20edbcfdf20ee361e96b18fa8d381fceaa4cb6628", kill_on_drop: false }` [INFO] [stdout] 40221fe3067030d6588614a20edbcfdf20ee361e96b18fa8d381fceaa4cb6628 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5c427eba1bff908cf29e9d9055e8243dab235bcb4f98425cab4f8cf7a27802b [INFO] running `Command { std: "docker" "start" "-a" "c5c427eba1bff908cf29e9d9055e8243dab235bcb4f98425cab4f8cf7a27802b", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking term v0.4.5 [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking serde v0.9.6 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking vec_map v0.6.0 [INFO] [stderr] Checking bufstream v0.1.2 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking term-painter v0.2.3 [INFO] [stderr] Compiling syn v0.11.4 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking term_size v0.2.2 [INFO] [stderr] Checking ctrlc v3.0.0 [INFO] [stderr] Checking clap v2.20.3 [INFO] [stderr] Checking chan v0.1.19 [INFO] [stderr] Compiling serde_codegen_internals v0.13.0 [INFO] [stderr] Compiling serde_derive v0.9.6 [INFO] [stderr] Checking bincode v1.0.0-alpha1 [INFO] [stderr] Checking battleship v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ctrlc` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ctrlc; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ctrlc; [INFO] [stdout] | ------------------- the item `ctrlc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ctrlc` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ctrlc; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ctrlc; [INFO] [stdout] | ------------------- the item `ctrlc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:656:13 [INFO] [stdout] | [INFO] [stdout] 656 | 'a' ... 'j' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:664:13 [INFO] [stdout] | [INFO] [stdout] 664 | '0' ... '9' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/server/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | /// Command Line Interface /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 27 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 28 | / let battleship = clap_app!(battleship => [INFO] [stdout] 29 | | (version: crate_version!()) [INFO] [stdout] 30 | | (author: crate_authors!()) [INFO] [stdout] 31 | | (about: "Two player battleship game") [INFO] [stdout] ... | [INFO] [stdout] 61 | | .setting(AppSettings::SubcommandRequired) [INFO] [stdout] 62 | | .get_matches(); [INFO] [stdout] | |_______________________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | /// Start /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 66 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 67 | Yellow.with(|| println!("Welcome to a round of 'battleship'")); [INFO] [stdout] | -------------------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:656:13 [INFO] [stdout] | [INFO] [stdout] 656 | 'a' ... 'j' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:664:13 [INFO] [stdout] | [INFO] [stdout] 664 | '0' ... '9' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/server/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | /// Command Line Interface /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 27 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 28 | / let battleship = clap_app!(battleship => [INFO] [stdout] 29 | | (version: crate_version!()) [INFO] [stdout] 30 | | (author: crate_authors!()) [INFO] [stdout] 31 | | (about: "Two player battleship game") [INFO] [stdout] ... | [INFO] [stdout] 61 | | .setting(AppSettings::SubcommandRequired) [INFO] [stdout] 62 | | .get_matches(); [INFO] [stdout] | |_______________________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | /// Start /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 66 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 67 | Yellow.with(|| println!("Welcome to a round of 'battleship'")); [INFO] [stdout] | -------------------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/util.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_right().len(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_end().len(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/util.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_right().len(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_end().len(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/net/mod.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/net/mod.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_input` is never used [INFO] [stdout] --> src/model/mod.rs:585:4 [INFO] [stdout] | [INFO] [stdout] 585 | fn get_input() -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/model/types.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Board { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn empty(board: &[[SubField; 10]; 10]) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `board_dim` is never read [INFO] [stdout] --> src/server/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub board_dim: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_input` is never used [INFO] [stdout] --> src/model/mod.rs:585:4 [INFO] [stdout] | [INFO] [stdout] 585 | fn get_input() -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/model/types.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Board { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn empty(board: &[[SubField; 10]; 10]) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `board_dim` is never read [INFO] [stdout] --> src/server/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub board_dim: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.08s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c5c427eba1bff908cf29e9d9055e8243dab235bcb4f98425cab4f8cf7a27802b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5c427eba1bff908cf29e9d9055e8243dab235bcb4f98425cab4f8cf7a27802b", kill_on_drop: false }` [INFO] [stdout] c5c427eba1bff908cf29e9d9055e8243dab235bcb4f98425cab4f8cf7a27802b [INFO] checking SvantjeJung/battleship against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SvantjeJung/battleship on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SvantjeJung/battleship [INFO] finished tweaking git repo https://github.com/SvantjeJung/battleship [INFO] tweaked toml for git repo https://github.com/SvantjeJung/battleship written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SvantjeJung/battleship already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c2a0cfc77dd71c235e674b4554b83b1997dc5d99e9c1598e7e44e0a3f419cdc [INFO] running `Command { std: "docker" "start" "-a" "1c2a0cfc77dd71c235e674b4554b83b1997dc5d99e9c1598e7e44e0a3f419cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c2a0cfc77dd71c235e674b4554b83b1997dc5d99e9c1598e7e44e0a3f419cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c2a0cfc77dd71c235e674b4554b83b1997dc5d99e9c1598e7e44e0a3f419cdc", kill_on_drop: false }` [INFO] [stdout] 1c2a0cfc77dd71c235e674b4554b83b1997dc5d99e9c1598e7e44e0a3f419cdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 024093504ae7ea0a3d7d086f5e2b494e987bce66bc30c2bfd64887113ffa875e [INFO] running `Command { std: "docker" "start" "-a" "024093504ae7ea0a3d7d086f5e2b494e987bce66bc30c2bfd64887113ffa875e", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking vec_map v0.6.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking serde v0.9.6 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking term v0.4.5 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Checking bufstream v0.1.2 [INFO] [stderr] Compiling syn v0.11.4 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking term-painter v0.2.3 [INFO] [stderr] Checking term_size v0.2.2 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking clap v2.20.3 [INFO] [stderr] Checking ctrlc v3.0.0 [INFO] [stderr] Checking chan v0.1.19 [INFO] [stderr] Compiling serde_codegen_internals v0.13.0 [INFO] [stderr] Compiling serde_derive v0.9.6 [INFO] [stderr] Checking bincode v1.0.0-alpha1 [INFO] [stderr] Checking battleship v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ctrlc` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ctrlc; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ctrlc; [INFO] [stdout] | ------------------- the item `ctrlc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:656:13 [INFO] [stdout] | [INFO] [stdout] 656 | 'a' ... 'j' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:664:13 [INFO] [stdout] | [INFO] [stdout] 664 | '0' ... '9' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/server/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | /// Command Line Interface /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 27 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 28 | / let battleship = clap_app!(battleship => [INFO] [stdout] 29 | | (version: crate_version!()) [INFO] [stdout] 30 | | (author: crate_authors!()) [INFO] [stdout] 31 | | (about: "Two player battleship game") [INFO] [stdout] ... | [INFO] [stdout] 61 | | .setting(AppSettings::SubcommandRequired) [INFO] [stdout] 62 | | .get_matches(); [INFO] [stdout] | |_______________________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | /// Start /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 66 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 67 | Yellow.with(|| println!("Welcome to a round of 'battleship'")); [INFO] [stdout] | -------------------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ctrlc` is imported redundantly [INFO] [stdout] --> src/client/mod.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ctrlc; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ctrlc; [INFO] [stdout] | ------------------- the item `ctrlc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:656:13 [INFO] [stdout] | [INFO] [stdout] 656 | 'a' ... 'j' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/model/mod.rs:664:13 [INFO] [stdout] | [INFO] [stdout] 664 | '0' ... '9' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/server/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | /// Command Line Interface /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 27 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 28 | / let battleship = clap_app!(battleship => [INFO] [stdout] 29 | | (version: crate_version!()) [INFO] [stdout] 30 | | (author: crate_authors!()) [INFO] [stdout] 31 | | (about: "Two player battleship game") [INFO] [stdout] ... | [INFO] [stdout] 61 | | .setting(AppSettings::SubcommandRequired) [INFO] [stdout] 62 | | .get_matches(); [INFO] [stdout] | |_______________________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | /// Start /// [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 66 | /////////////////////////////////////////////////////////////////////////////////////////////// [INFO] [stdout] 67 | Yellow.with(|| println!("Welcome to a round of 'battleship'")); [INFO] [stdout] | -------------------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/util.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_right().len(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_end().len(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/util.rs:12:26 [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_right().len(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 12 | let new_len = buffer.trim_end().len(); [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/net/mod.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/net/mod.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_input` is never used [INFO] [stdout] --> src/model/mod.rs:585:4 [INFO] [stdout] | [INFO] [stdout] 585 | fn get_input() -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/model/types.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Board { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn empty(board: &[[SubField; 10]; 10]) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `board_dim` is never read [INFO] [stdout] --> src/server/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub board_dim: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_input` is never used [INFO] [stdout] --> src/model/mod.rs:585:4 [INFO] [stdout] | [INFO] [stdout] 585 | fn get_input() -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/model/types.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Board { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn empty(board: &[[SubField; 10]; 10]) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `board_dim` is never read [INFO] [stdout] --> src/server/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub board_dim: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "024093504ae7ea0a3d7d086f5e2b494e987bce66bc30c2bfd64887113ffa875e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "024093504ae7ea0a3d7d086f5e2b494e987bce66bc30c2bfd64887113ffa875e", kill_on_drop: false }` [INFO] [stdout] 024093504ae7ea0a3d7d086f5e2b494e987bce66bc30c2bfd64887113ffa875e