[INFO] cloning repository https://github.com/ezy023/urgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezy023/urgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezy023%2Furgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezy023%2Furgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 759173e9d59aecf3ef0205f4f12a44e413a78ebe
[INFO] checking ezy023/urgrep against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezy023%2Furgrep" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ezy023/urgrep
[INFO] finished tweaking git repo https://github.com/ezy023/urgrep
[INFO] tweaked toml for git repo https://github.com/ezy023/urgrep written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ezy023/urgrep on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ezy023/urgrep 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.67
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded hyper v0.14.14
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded rusqlite v0.26.1
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded libsqlite3-sys v0.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f16d8c5030e2a6e54fd8eeea2d6b651bfd6ebcf4f4556c1048e5cffb69c0959e
[INFO] running `Command { std: "docker" "start" "-a" "f16d8c5030e2a6e54fd8eeea2d6b651bfd6ebcf4f4556c1048e5cffb69c0959e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16d8c5030e2a6e54fd8eeea2d6b651bfd6ebcf4f4556c1048e5cffb69c0959e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16d8c5030e2a6e54fd8eeea2d6b651bfd6ebcf4f4556c1048e5cffb69c0959e", kill_on_drop: false }`
[INFO] [stdout] f16d8c5030e2a6e54fd8eeea2d6b651bfd6ebcf4f4556c1048e5cffb69c0959e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0f4e6767443499e5f5e54a6cf553dac7e1322fdf005354f972be91180320cc
[INFO] running `Command { std: "docker" "start" "-a" "df0f4e6767443499e5f5e54a6cf553dac7e1322fdf005354f972be91180320cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]     Checking rusqlite v0.26.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking urgrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/history.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `since`
[INFO] [stdout]   --> src/history.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn urls(&self, since: Option<Duration>) -> Result<std::vec::IntoIter<String>, FirefoxError> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_since`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/history.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let db = Connection::open_in_memory()?;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sql`
[INFO] [stdout]   --> src/history.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let sql = r#"
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `last_visit_date` are never read
[INFO] [stdout]   --> src/history.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct History {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 14 |     url: Option<String>,
[INFO] [stdout] 15 |     title: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     last_visit_date: Option<u32>, // it looks like this is stored in microseconds
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `History` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `since`
[INFO] [stdout]   --> src/history.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn urls(&self, since: Option<Duration>) -> Result<std::vec::IntoIter<String>, FirefoxError> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_since`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FirefoxError` is never used
[INFO] [stdout]   --> src/history.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type FirefoxError = Box<dyn std::error::Error + Send + Sync + 'static>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/history.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct History {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Firefox` is never constructed
[INFO] [stdout]   --> src/history.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Firefox {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `urls` and `query_db` are never used
[INFO] [stdout]   --> src/history.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Firefox {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 24 |     fn urls(&self, since: Option<Duration>) -> Result<std::vec::IntoIter<String>, FirefoxError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn query_db(conn: Connection) -> Result<std::vec::IntoIter<String>, FirefoxError> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.94s
[INFO] running `Command { std: "docker" "inspect" "df0f4e6767443499e5f5e54a6cf553dac7e1322fdf005354f972be91180320cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0f4e6767443499e5f5e54a6cf553dac7e1322fdf005354f972be91180320cc", kill_on_drop: false }`
[INFO] [stdout] df0f4e6767443499e5f5e54a6cf553dac7e1322fdf005354f972be91180320cc
