[INFO] fetching crate igrepper 1.3.4... [INFO] checking igrepper-1.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate igrepper 1.3.4 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate igrepper 1.3.4 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 crates.io crate igrepper 1.3.4 [INFO] finished tweaking crates.io crate igrepper 1.3.4 [INFO] tweaked toml for crates.io crate igrepper 1.3.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate igrepper 1.3.4 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 ncurses v5.101.0 [INFO] [stderr] Downloaded pretty_assertions v0.6.1 [INFO] [stderr] Downloaded inotify v0.10.1 [INFO] [stderr] Downloaded tokio v1.29.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4e2353dd6acb3299b30dca7e6f0831aa9b29937a5f4877cb1f4c3237f332ed9d [INFO] running `Command { std: "docker" "start" "-a" "4e2353dd6acb3299b30dca7e6f0831aa9b29937a5f4877cb1f4c3237f332ed9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e2353dd6acb3299b30dca7e6f0831aa9b29937a5f4877cb1f4c3237f332ed9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2353dd6acb3299b30dca7e6f0831aa9b29937a5f4877cb1f4c3237f332ed9d", kill_on_drop: false }` [INFO] [stdout] 4e2353dd6acb3299b30dca7e6f0831aa9b29937a5f4877cb1f4c3237f332ed9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2ea1e10abd2ac3b576b6e143b5764eb58f3fac6fee9305555818175bab819ea7 [INFO] running `Command { std: "docker" "start" "-a" "2ea1e10abd2ac3b576b6e143b5764eb58f3fac6fee9305555818175bab819ea7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling tokio v1.29.0 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking inotify v0.10.1 [INFO] [stderr] Checking igrepper v1.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `inotify::Inotify::add_watch`: use `Inotify.watches().add()` instead [INFO] [stdout] --> src/main.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | .add_watch( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.99 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/igrepper/state.rs:318:13 [INFO] [stdout] | [INFO] [stdout] 318 | let mut last_search_line = search_lines.last_mut().unwrap(); [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/igrepper/state.rs:336:13 [INFO] [stdout] | [INFO] [stdout] 336 | let mut last_search_line = search_lines.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BreakLine` is never used [INFO] [stdout] --> src/igrepper/types.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | pub enum BreakLine {} // A line separator [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BreakLine` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SearchLine` is imported redundantly [INFO] [stdout] --> src/igrepper/core.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 136 | use super::*; [INFO] [stdout] | -------- the item `SearchLine` is already imported here [INFO] [stdout] 137 | use crate::igrepper::state::SearchLine; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `inotify::Inotify::add_watch`: use `Inotify.watches().add()` instead [INFO] [stdout] --> src/main.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | .add_watch( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/igrepper/state.rs:318:13 [INFO] [stdout] | [INFO] [stdout] 318 | let mut last_search_line = search_lines.last_mut().unwrap(); [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/igrepper/state.rs:336:13 [INFO] [stdout] | [INFO] [stdout] 336 | let mut last_search_line = search_lines.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BreakLine` is never used [INFO] [stdout] --> src/igrepper/types.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | pub enum BreakLine {} // A line separator [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BreakLine` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.20s [INFO] running `Command { std: "docker" "inspect" "2ea1e10abd2ac3b576b6e143b5764eb58f3fac6fee9305555818175bab819ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ea1e10abd2ac3b576b6e143b5764eb58f3fac6fee9305555818175bab819ea7", kill_on_drop: false }` [INFO] [stdout] 2ea1e10abd2ac3b576b6e143b5764eb58f3fac6fee9305555818175bab819ea7 [INFO] checking igrepper-1.3.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate igrepper 1.3.4 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate igrepper 1.3.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate igrepper 1.3.4 [INFO] finished tweaking crates.io crate igrepper 1.3.4 [INFO] tweaked toml for crates.io crate igrepper 1.3.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate igrepper 1.3.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6e2c2435a7ed374db8a0c4ea818146793c67d79c6aa58d5313f3d2111bf8efe [INFO] running `Command { std: "docker" "start" "-a" "b6e2c2435a7ed374db8a0c4ea818146793c67d79c6aa58d5313f3d2111bf8efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6e2c2435a7ed374db8a0c4ea818146793c67d79c6aa58d5313f3d2111bf8efe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6e2c2435a7ed374db8a0c4ea818146793c67d79c6aa58d5313f3d2111bf8efe", kill_on_drop: false }` [INFO] [stdout] b6e2c2435a7ed374db8a0c4ea818146793c67d79c6aa58d5313f3d2111bf8efe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d14c5cb66f8127ef5af96d69ae086199e5a48ce3bf676224491eefbfe6cd068d [INFO] running `Command { std: "docker" "start" "-a" "d14c5cb66f8127ef5af96d69ae086199e5a48ce3bf676224491eefbfe6cd068d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling tokio v1.29.0 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking inotify v0.10.1 [INFO] [stderr] Checking serde_json v1.0.99 [INFO] [stderr] Checking igrepper v1.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `inotify::Inotify::add_watch`: use `Inotify.watches().add()` instead [INFO] [stdout] --> src/main.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | .add_watch( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/igrepper/state.rs:318:13 [INFO] [stdout] | [INFO] [stdout] 318 | let mut last_search_line = search_lines.last_mut().unwrap(); [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/igrepper/state.rs:336:13 [INFO] [stdout] | [INFO] [stdout] 336 | let mut last_search_line = search_lines.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BreakLine` is never used [INFO] [stdout] --> src/igrepper/types.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | pub enum BreakLine {} // A line separator [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BreakLine` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SearchLine` is imported redundantly [INFO] [stdout] --> src/igrepper/core.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 136 | use super::*; [INFO] [stdout] | -------- the item `SearchLine` is already imported here [INFO] [stdout] 137 | use crate::igrepper::state::SearchLine; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `inotify::Inotify::add_watch`: use `Inotify.watches().add()` instead [INFO] [stdout] --> src/main.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 98 | .add_watch( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/igrepper/state.rs:318:13 [INFO] [stdout] | [INFO] [stdout] 318 | let mut last_search_line = search_lines.last_mut().unwrap(); [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/igrepper/state.rs:336:13 [INFO] [stdout] | [INFO] [stdout] 336 | let mut last_search_line = search_lines.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BreakLine` is never used [INFO] [stdout] --> src/igrepper/types.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | pub enum BreakLine {} // A line separator [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BreakLine` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s [INFO] running `Command { std: "docker" "inspect" "d14c5cb66f8127ef5af96d69ae086199e5a48ce3bf676224491eefbfe6cd068d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d14c5cb66f8127ef5af96d69ae086199e5a48ce3bf676224491eefbfe6cd068d", kill_on_drop: false }` [INFO] [stdout] d14c5cb66f8127ef5af96d69ae086199e5a48ce3bf676224491eefbfe6cd068d