[INFO] cloning repository https://github.com/Nils-Fischer/Jibiki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nils-Fischer/Jibiki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNils-Fischer%2FJibiki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNils-Fischer%2FJibiki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea343cc2418cc21a39e5f738204c848b88cd26ac
[INFO] checking Nils-Fischer/Jibiki/ea343cc2418cc21a39e5f738204c848b88cd26ac against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNils-Fischer%2FJibiki" "/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/Nils-Fischer/Jibiki on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nils-Fischer/Jibiki
[INFO] finished tweaking git repo https://github.com/Nils-Fischer/Jibiki
[INFO] tweaked toml for git repo https://github.com/Nils-Fischer/Jibiki written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nils-Fischer/Jibiki 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6cbb38195dd64e3b1783ddd400f8e6abb0299a0390b9caf9126dd81045d218a
[INFO] running `Command { std: "docker" "start" "-a" "c6cbb38195dd64e3b1783ddd400f8e6abb0299a0390b9caf9126dd81045d218a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6cbb38195dd64e3b1783ddd400f8e6abb0299a0390b9caf9126dd81045d218a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cbb38195dd64e3b1783ddd400f8e6abb0299a0390b9caf9126dd81045d218a", kill_on_drop: false }`
[INFO] [stdout] c6cbb38195dd64e3b1783ddd400f8e6abb0299a0390b9caf9126dd81045d218a
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7ba320d1b640930375938c0ff5d156cc9e01ce24ff999525974b4514938fc02
[INFO] running `Command { std: "docker" "start" "-a" "e7ba320d1b640930375938c0ff5d156cc9e01ce24ff999525974b4514938fc02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking jibiki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/query.rs:17:54
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a> Dictionary<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 17 |     pub fn create(entries: &'a [DictionaryEntry]) -> Dictionary {
[INFO] [stdout]    |                                                      ^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/query.rs:17:54
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a> Dictionary<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 17 |     pub fn create(entries: &'a [DictionaryEntry]) -> Dictionary {
[INFO] [stdout]    |                                                      ^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endings`
[INFO] [stdout]   --> src/parse_example_sentences.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let (endings, remnants) = extract_by_pattern(&CERTAIN_ENDINGS, dict, string, true);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/parse_example_sentences.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let string = remnants
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endings`
[INFO] [stdout]   --> src/parse_example_sentences.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let (endings, remnants) = extract_by_pattern(&CERTAIN_ENDINGS, dict, string, true);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/parse_example_sentences.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let string = remnants
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/sentence.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Sentence<'a> {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sentence` 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 `id` is never read
[INFO] [stdout]  --> src/sentence.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Sentence<'a> {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sentence` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "e7ba320d1b640930375938c0ff5d156cc9e01ce24ff999525974b4514938fc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ba320d1b640930375938c0ff5d156cc9e01ce24ff999525974b4514938fc02", kill_on_drop: false }`
[INFO] [stdout] e7ba320d1b640930375938c0ff5d156cc9e01ce24ff999525974b4514938fc02