[INFO] cloning repository https://github.com/ehlxr/rust_study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ehlxr/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 39bb6127de2d92a72e3da7ba9691b91570f0400c [INFO] checking ehlxr/rust_study against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ehlxr/rust_study on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ehlxr/rust_study [INFO] finished tweaking git repo https://github.com/ehlxr/rust_study [INFO] tweaked toml for git repo https://github.com/ehlxr/rust_study written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/ehlxr/rust_study already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd1a50b0ddd94b7018e993a894facb493d8408e067952263db3f871cd6046619 [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" "bd1a50b0ddd94b7018e993a894facb493d8408e067952263db3f871cd6046619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd1a50b0ddd94b7018e993a894facb493d8408e067952263db3f871cd6046619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd1a50b0ddd94b7018e993a894facb493d8408e067952263db3f871cd6046619", kill_on_drop: false }` [INFO] [stdout] bd1a50b0ddd94b7018e993a894facb493d8408e067952263db3f871cd6046619 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 845f50d77373800fbc6dd79013a66d4eeef0a52698481c4dd9ade4ddb33d9e27 [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" "845f50d77373800fbc6dd79013a66d4eeef0a52698481c4dd9ade4ddb33d9e27", kill_on_drop: false }` [INFO] [stderr] Checking rust_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/main.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{collections::HashMap, fmt::Display, fs, fs::File, io, io::ErrorKind, thread}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:640:10 [INFO] [stdout] | [INFO] [stdout] 640 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [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/main.rs:646:12 [INFO] [stdout] | [INFO] [stdout] 646 | 'a'...'j' => println!("early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:647:12 [INFO] [stdout] | [INFO] [stdout] 647 | 'k'...'z' => println!("late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:779:35 [INFO] [stdout] | [INFO] [stdout] 779 | Ms::Hello { id: id_var @ 3...7 } => println!("Found an id in range: {}", id_var), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:781:27 [INFO] [stdout] | [INFO] [stdout] 781 | Ms::Hello { id: 10...12 } => println!("Found an id in another range"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fs` [INFO] [stdout] --> src/main.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{collections::HashMap, fmt::Display, fs, fs::File, io, io::ErrorKind, thread}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:640:10 [INFO] [stdout] | [INFO] [stdout] 640 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [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/main.rs:646:12 [INFO] [stdout] | [INFO] [stdout] 646 | 'a'...'j' => println!("early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:647:12 [INFO] [stdout] | [INFO] [stdout] 647 | 'k'...'z' => println!("late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:779:35 [INFO] [stdout] | [INFO] [stdout] 779 | Ms::Hello { id: id_var @ 3...7 } => println!("Found an id in range: {}", id_var), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:781:27 [INFO] [stdout] | [INFO] [stdout] 781 | Ms::Hello { id: 10...12 } => println!("Found an id in another range"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:338:19 [INFO] [stdout] | [INFO] [stdout] 338 | .map(|(a, b)| a) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:1697:13 [INFO] [stdout] | [INFO] [stdout] 1697 | let v1 = c.value(2); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:1712:13 [INFO] [stdout] | [INFO] [stdout] 1712 | let v = c.value("tetsss"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:338:19 [INFO] [stdout] | [INFO] [stdout] 338 | .map(|(a, b)| a) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `diameter` [INFO] [stdout] --> src/main.rs:878:9 [INFO] [stdout] | [INFO] [stdout] 878 | diameter: &'a i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StrWrap` [INFO] [stdout] --> src/main.rs:888:12 [INFO] [stdout] | [INFO] [stdout] 888 | struct StrWrap<'a>(&'a str); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fsw` [INFO] [stdout] --> src/main.rs:891:8 [INFO] [stdout] | [INFO] [stdout] 891 | fn fsw(string: &str) -> StrWrap<'_> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Stop` [INFO] [stdout] --> src/main.rs:916:9 [INFO] [stdout] | [INFO] [stdout] 916 | Stop, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.71s [INFO] running `Command { std: "docker" "inspect" "845f50d77373800fbc6dd79013a66d4eeef0a52698481c4dd9ade4ddb33d9e27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845f50d77373800fbc6dd79013a66d4eeef0a52698481c4dd9ade4ddb33d9e27", kill_on_drop: false }` [INFO] [stdout] 845f50d77373800fbc6dd79013a66d4eeef0a52698481c4dd9ade4ddb33d9e27