[INFO] fetching crate ssearch 0.2.0...
[INFO] checking ssearch-0.2.0 against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] extracting crate ssearch 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ssearch 0.2.0 on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssearch 0.2.0
[INFO] finished tweaking crates.io crate ssearch 0.2.0
[INFO] tweaked toml for crates.io crate ssearch 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.40)
[INFO] [stderr]       Adding dirs v2.0.2 (available: v6.0.0)
[INFO] [stderr]       Adding opener v0.4.1 (available: v0.8.2)
[INFO] [stderr]       Adding prettytable-rs v0.8.0 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6246e9bf57cd224a5430753bf537e0d20ee83c9ff4b9f6567a07411f937bb0a
[INFO] running `Command { std: "docker" "start" "-a" "f6246e9bf57cd224a5430753bf537e0d20ee83c9ff4b9f6567a07411f937bb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6246e9bf57cd224a5430753bf537e0d20ee83c9ff4b9f6567a07411f937bb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6246e9bf57cd224a5430753bf537e0d20ee83c9ff4b9f6567a07411f937bb0a", kill_on_drop: false }`
[INFO] [stdout] f6246e9bf57cd224a5430753bf537e0d20ee83c9ff4b9f6567a07411f937bb0a
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f985e6780a26b762f73c956bcffaa9fee41b2506598391cbcb64c722b11039
[INFO] running `Command { std: "docker" "start" "-a" "48f985e6780a26b762f73c956bcffaa9fee41b2506598391cbcb64c722b11039", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
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[INFO] [stderr]     Checking ssearch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     opener::open(link.as_str());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let _ = opener::open(link.as_str());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/persistence.rs:1:804
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...arch]) -> PersistenceResult {␍        fs::create_dir(get_location().as_path().parent().unwrap());␍        let file = OpenOptions::new(...
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, OpenOptions};␍use std::fs;␍use std::io::BufReader;␍use std::path::{Path, PathBuf};␍use serde_json;␍␍use crate::search::Search;␍␍static FILE_NAME: &str = "ssearch.json";␍␍fn get_location() -> Box<PathBuf> {␍    Box::new(dirs::home_dir().unwrap().join(".ssearch").join(FILE_NAME))␍}␍␍pub trait Persistence<T> {␍    fn write(t: &[T]) -> PersistenceResult;␍    fn load() -> Vec<T>;␍    fn is_already_exits() -> bool;␍    fn update(t: Search) -> PersistenceResult;␍    fn remove(kw: String) -> PersistenceResult;␍}␍␍pub struct FileBasedSearchPersistence;␍␍#[derive(PartialEq)]␍pub enum PersistenceResult {␍    Created,␍    Updated,␍    Deleted,␍    Error,␍    Nothing,␍}␍␍impl Persistence<Search> for FileBasedSearchPersistence {␍    fn write(t: &[Search]) -> PersistenceResult {␍        let _ = fs::create_dir(get_location().as_path().parent().unwrap());␍        let file = OpenOptions::new()␍            .create(true)␍            .read(true)␍            .write(true)␍            .truncate(true)␍            .open(get_location().as_path());␍        if file.is_err() {␍            return PersistenceResult::Error;␍        }␍        let result = serde_json::to_writer(&file.unwrap(), t);␍        if result.is_ok() {␍            result.unwrap();␍            return PersistenceResult::Created;␍        }␍        return PersistenceResult::Error;␍    }␍␍    fn load() -> Vec<Search> {␍        let file = File::open(get_location().as_path()).unwrap();␍        let read = serde_json::from_reader(BufReader::new(file)).unwrap();␍        return serde_json::from_value(read).unwrap();␍    }␍␍    fn is_already_exits() -> bool {␍        return Path::exists(get_location().as_path().parent().unwrap());␍    }␍␍    fn update(t: Search) -> PersistenceResult {␍        let mut contents = FileBasedSearchPersistence::load();␍        let original_size = contents.len();␍        contents.retain(|x| *x != t);␍        if contents.len() < original_size {␍            return PersistenceResult::Updated;␍        }␍        contents.push(t);␍        FileBasedSearchPersistence::write(&contents);␍        return PersistenceResult::Created;␍    }␍␍    fn remove(kw: String) -> PersistenceResult {␍        let mut contents = FileBasedSearchPersistence::load();␍        let original_size = contents.len();␍        contents.retain(|x| x.keyword != kw);␍        if original_size == contents.len() {␍            return PersistenceResult::Nothing;␍        }␍        FileBasedSearchPersistence::write(&contents);␍        return PersistenceResult::Deleted;␍    }␍}␍
[INFO] [stdout]   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     opener::open(link.as_str());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let _ = opener::open(link.as_str());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/persistence.rs:1:804
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...arch]) -> PersistenceResult {␍        fs::create_dir(get_location().as_path().parent().unwrap());␍        let file = OpenOptions::new(...
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, OpenOptions};␍use std::fs;␍use std::io::BufReader;␍use std::path::{Path, PathBuf};␍use serde_json;␍␍use crate::search::Search;␍␍static FILE_NAME: &str = "ssearch.json";␍␍fn get_location() -> Box<PathBuf> {␍    Box::new(dirs::home_dir().unwrap().join(".ssearch").join(FILE_NAME))␍}␍␍pub trait Persistence<T> {␍    fn write(t: &[T]) -> PersistenceResult;␍    fn load() -> Vec<T>;␍    fn is_already_exits() -> bool;␍    fn update(t: Search) -> PersistenceResult;␍    fn remove(kw: String) -> PersistenceResult;␍}␍␍pub struct FileBasedSearchPersistence;␍␍#[derive(PartialEq)]␍pub enum PersistenceResult {␍    Created,␍    Updated,␍    Deleted,␍    Error,␍    Nothing,␍}␍␍impl Persistence<Search> for FileBasedSearchPersistence {␍    fn write(t: &[Search]) -> PersistenceResult {␍        let _ = fs::create_dir(get_location().as_path().parent().unwrap());␍        let file = OpenOptions::new()␍            .create(true)␍            .read(true)␍            .write(true)␍            .truncate(true)␍            .open(get_location().as_path());␍        if file.is_err() {␍            return PersistenceResult::Error;␍        }␍        let result = serde_json::to_writer(&file.unwrap(), t);␍        if result.is_ok() {␍            result.unwrap();␍            return PersistenceResult::Created;␍        }␍        return PersistenceResult::Error;␍    }␍␍    fn load() -> Vec<Search> {␍        let file = File::open(get_location().as_path()).unwrap();␍        let read = serde_json::from_reader(BufReader::new(file)).unwrap();␍        return serde_json::from_value(read).unwrap();␍    }␍␍    fn is_already_exits() -> bool {␍        return Path::exists(get_location().as_path().parent().unwrap());␍    }␍␍    fn update(t: Search) -> PersistenceResult {␍        let mut contents = FileBasedSearchPersistence::load();␍        let original_size = contents.len();␍        contents.retain(|x| *x != t);␍        if contents.len() < original_size {␍            return PersistenceResult::Updated;␍        }␍        contents.push(t);␍        FileBasedSearchPersistence::write(&contents);␍        return PersistenceResult::Created;␍    }␍␍    fn remove(kw: String) -> PersistenceResult {␍        let mut contents = FileBasedSearchPersistence::load();␍        let original_size = contents.len();␍        contents.retain(|x| x.keyword != kw);␍        if original_size == contents.len() {␍            return PersistenceResult::Nothing;␍        }␍        FileBasedSearchPersistence::write(&contents);␍        return PersistenceResult::Deleted;␍    }␍}␍
[INFO] [stdout]   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.17s
[INFO] running `Command { std: "docker" "inspect" "48f985e6780a26b762f73c956bcffaa9fee41b2506598391cbcb64c722b11039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f985e6780a26b762f73c956bcffaa9fee41b2506598391cbcb64c722b11039", kill_on_drop: false }`
[INFO] [stdout] 48f985e6780a26b762f73c956bcffaa9fee41b2506598391cbcb64c722b11039
