[INFO] cloning repository https://github.com/Superchig/rolf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Superchig/rolf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperchig%2Frolf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperchig%2Frolf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6548340cd00592544b275bc7381982e80954f513 [INFO] checking Superchig/rolf against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperchig%2Frolf" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Superchig/rolf on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Superchig/rolf [INFO] finished tweaking git repo https://github.com/Superchig/rolf [INFO] tweaked toml for git repo https://github.com/Superchig/rolf written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Superchig/rolf 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nanoserde v0.1.29 [INFO] [stderr] Downloaded open v1.7.0 [INFO] [stderr] Downloaded nanoserde-derive v0.1.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea97a44ba553bad89ad46fbf2d76fcb85afefa16ad3aa2d4fa69c9f4070660d4 [INFO] running `Command { std: "docker" "start" "-a" "ea97a44ba553bad89ad46fbf2d76fcb85afefa16ad3aa2d4fa69c9f4070660d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea97a44ba553bad89ad46fbf2d76fcb85afefa16ad3aa2d4fa69c9f4070660d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea97a44ba553bad89ad46fbf2d76fcb85afefa16ad3aa2d4fa69c9f4070660d4", kill_on_drop: false }` [INFO] [stdout] ea97a44ba553bad89ad46fbf2d76fcb85afefa16ad3aa2d4fa69c9f4070660d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5df0bfc7d6603f8eaa268965d9717ce63f67746988b8b3755a944af3a7d23a07 [INFO] running `Command { std: "docker" "start" "-a" "5df0bfc7d6603f8eaa268965d9717ce63f67746988b8b3755a944af3a7d23a07", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking rolf-parser v0.1.0 (/opt/rustwide/workdir/rolf-parser) [INFO] [stderr] Compiling nanoserde-derive v0.1.18 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking bytemuck v1.7.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking whoami v1.2.1 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking which v4.1.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking open v1.7.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking nanoserde v0.1.29 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking crossterm v0.20.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rolf-grid v0.1.0 (/opt/rustwide/workdir/rolf-grid) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rolf-grid/src/lib.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cell = self.grid.get_mut(x, y); [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] --> rolf-grid/src/lib.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cell = self.grid.get_mut(x, y); [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] --> rolf-grid/src/lib.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut cell = grid.get_mut(x, y); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rolf-grid/src/lib.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut cell = self.grid.get_mut(x, y); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rolf-grid/src/lib.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | let mut cell = grid.get_mut(x, y); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rolf-grid/src/lib.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut cell = self.grid.get_mut(x, y); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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] Checking tempfile v3.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking rolf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/config.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/config.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `KeyCode` is imported redundantly [INFO] [stdout] --> src/config.rs:309:28 [INFO] [stdout] | [INFO] [stdout] 309 | use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 310 | [INFO] [stdout] 311 | use super::*; [INFO] [stdout] | -------- the item `KeyCode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `KeyEvent` is imported redundantly [INFO] [stdout] --> src/config.rs:309:37 [INFO] [stdout] | [INFO] [stdout] 309 | use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 310 | [INFO] [stdout] 311 | use super::*; [INFO] [stdout] | -------- the item `KeyEvent` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `KeyModifiers` is imported redundantly [INFO] [stdout] --> src/config.rs:309:47 [INFO] [stdout] | [INFO] [stdout] 309 | use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 310 | [INFO] [stdout] 311 | use super::*; [INFO] [stdout] | -------- the item `KeyModifiers` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `preview_converter` is never read [INFO] [stdout] --> src/config.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 28 | pub preview_converter: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nanoserde-derive v0.1.18 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "5df0bfc7d6603f8eaa268965d9717ce63f67746988b8b3755a944af3a7d23a07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5df0bfc7d6603f8eaa268965d9717ce63f67746988b8b3755a944af3a7d23a07", kill_on_drop: false }` [INFO] [stdout] 5df0bfc7d6603f8eaa268965d9717ce63f67746988b8b3755a944af3a7d23a07