[INFO] fetching crate rushell 0.2.2... [INFO] checking rushell-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rushell 0.2.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate rushell 0.2.2 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 crates.io crate rushell 0.2.2 [INFO] finished tweaking crates.io crate rushell 0.2.2 [INFO] tweaked toml for crates.io crate rushell 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate rushell 0.2.2 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 whoami v0.9.0 [INFO] [stderr] Downloaded rushell_deps_pom v3.2.0-jeff.2 [INFO] [stderr] Downloaded terminfo v0.7.3 [INFO] [stderr] Downloaded mortal v0.2.2 [INFO] [stderr] Downloaded rushell_deps_linefeed v0.6.0-jeff.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] da47196a9807eb3afba33c1c6e4c406b52f5337bf0ffa7d6c9c3ce244aa6599f [INFO] running `Command { std: "docker" "start" "-a" "da47196a9807eb3afba33c1c6e4c406b52f5337bf0ffa7d6c9c3ce244aa6599f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da47196a9807eb3afba33c1c6e4c406b52f5337bf0ffa7d6c9c3ce244aa6599f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da47196a9807eb3afba33c1c6e4c406b52f5337bf0ffa7d6c9c3ce244aa6599f", kill_on_drop: false }` [INFO] [stdout] da47196a9807eb3afba33c1c6e4c406b52f5337bf0ffa7d6c9c3ce244aa6599f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 54a5b7bc7441a4ea9aab660d9bb953c5fb520ff96260f29ce34ac56b456e836d [INFO] running `Command { std: "docker" "start" "-a" "54a5b7bc7441a4ea9aab660d9bb953c5fb520ff96260f29ce34ac56b456e836d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rustversion v1.0.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking smallstr v0.2.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling err-derive v0.3.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling signal-hook v0.3.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking whoami v0.9.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking rushell_deps_pom v3.2.0-jeff.2 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling terminfo v0.7.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking mortal v0.2.2 [INFO] [stderr] Checking rushell_deps_linefeed v0.6.0-jeff.1 [INFO] [stderr] Checking rushell v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/eval.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/process.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/shell.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/prompt.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use whoami; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | extern crate whoami; [INFO] [stdout] | -------------------- the item `whoami` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/eval.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/process.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/shell.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use nix; [INFO] [stdout] | ^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/prompt.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use whoami; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | extern crate whoami; [INFO] [stdout] | -------------------- the item `whoami` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser.rs:1131:25 [INFO] [stdout] | [INFO] [stdout] 1131 | if let Some(mut last) = terms.last_mut() { [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/parser.rs:1131:25 [INFO] [stdout] | [INFO] [stdout] 1131 | if let Some(mut last) = terms.last_mut() { [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: field `expand` is never read [INFO] [stdout] --> src/pattern.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct PatternWord { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 15 | fragments: Vec, [INFO] [stdout] 16 | expand: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PatternWord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `variable` is never read [INFO] [stdout] --> src/builtins/unset.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | variable: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path_debug` and `repo_work_tree` are never read [INFO] [stdout] --> src/theme.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct PromptTheme { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub path_debug: Style, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub repo_work_tree: Style, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `error` and `valid_path` are never read [INFO] [stdout] --> src/theme.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct SyntaxTheme { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | pub error: Style, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 109 | pub quoted: Style, [INFO] [stdout] 110 | pub valid_path: Style, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/input.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Word { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub kind: Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Keyword` is never constructed [INFO] [stdout] --> src/input_parser.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | Keyword, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `expand` is never read [INFO] [stdout] --> src/pattern.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct PatternWord { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 15 | fragments: Vec, [INFO] [stdout] 16 | expand: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PatternWord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `variable` is never read [INFO] [stdout] --> src/builtins/unset.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | variable: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path_debug` and `repo_work_tree` are never read [INFO] [stdout] --> src/theme.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct PromptTheme { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub path_debug: Style, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub repo_work_tree: Style, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `error` and `valid_path` are never read [INFO] [stdout] --> src/theme.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct SyntaxTheme { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 108 | pub error: Style, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 109 | pub quoted: Style, [INFO] [stdout] 110 | pub valid_path: Style, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/input.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Word { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub kind: Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Keyword` is never constructed [INFO] [stdout] --> src/input_parser.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | Keyword, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3 [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" "54a5b7bc7441a4ea9aab660d9bb953c5fb520ff96260f29ce34ac56b456e836d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54a5b7bc7441a4ea9aab660d9bb953c5fb520ff96260f29ce34ac56b456e836d", kill_on_drop: false }` [INFO] [stdout] 54a5b7bc7441a4ea9aab660d9bb953c5fb520ff96260f29ce34ac56b456e836d