[INFO] cloning repository https://github.com/AndersonPech/Rust-Grep-Exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndersonPech/Rust-Grep-Exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonPech%2FRust-Grep-Exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonPech%2FRust-Grep-Exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dacdb7071284f9ca2b13209a0cb8c0830d539be
[INFO] testing AndersonPech/Rust-Grep-Exercise against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersonPech%2FRust-Grep-Exercise" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndersonPech/Rust-Grep-Exercise
[INFO] finished tweaking git repo https://github.com/AndersonPech/Rust-Grep-Exercise
[INFO] tweaked toml for git repo https://github.com/AndersonPech/Rust-Grep-Exercise written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndersonPech/Rust-Grep-Exercise on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndersonPech/Rust-Grep-Exercise 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbfdfd91e7b55daa262edc8e421ac07826ad43cc667b63d82934f53db2d86de0
[INFO] running `Command { std: "docker" "start" "-a" "cbfdfd91e7b55daa262edc8e421ac07826ad43cc667b63d82934f53db2d86de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbfdfd91e7b55daa262edc8e421ac07826ad43cc667b63d82934f53db2d86de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfdfd91e7b55daa262edc8e421ac07826ad43cc667b63d82934f53db2d86de0", kill_on_drop: false }`
[INFO] [stdout] cbfdfd91e7b55daa262edc8e421ac07826ad43cc667b63d82934f53db2d86de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a289a40884de2993afe091df7d22fd242eb197f17c7cd1a4aab4fa851eac75a
[INFO] running `Command { std: "docker" "start" "-a" "8a289a40884de2993afe091df7d22fd242eb197f17c7cd1a4aab4fa851eac75a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proj1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Error};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CharBegin`, `CharEnd`, `CharBetween`, `CharNotBetween`, and `CharAny` are never constructed
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum RegularExpression {
[INFO] [stdout]   |          ----------------- variants in this enum
[INFO] [stdout] 2 |     CharBegin,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     CharEnd,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     CharBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     CharNotBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     CharAny
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `regex_type` and `string` are never read
[INFO] [stdout]   --> src/config.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SpecialCharacters {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 11 |     pub regex_type : RegularExpression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub string : String
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/config.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct QueryDetails {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Option<SpecialCharacters>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `regex_extraction` is never used
[INFO] [stdout]   --> src/config.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl QueryDetails {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn regex_extraction(&mut self) -> Option<QueryDetails> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "8a289a40884de2993afe091df7d22fd242eb197f17c7cd1a4aab4fa851eac75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a289a40884de2993afe091df7d22fd242eb197f17c7cd1a4aab4fa851eac75a", kill_on_drop: false }`
[INFO] [stdout] 8a289a40884de2993afe091df7d22fd242eb197f17c7cd1a4aab4fa851eac75a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f81b497cac140df75ba9809a396e76a03a7230e51471ed09a21527ce54c58158
[INFO] running `Command { std: "docker" "start" "-a" "f81b497cac140df75ba9809a396e76a03a7230e51471ed09a21527ce54c58158", kill_on_drop: false }`
[INFO] [stderr]    Compiling proj1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Error};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CharBegin`, `CharEnd`, `CharBetween`, `CharNotBetween`, and `CharAny` are never constructed
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum RegularExpression {
[INFO] [stdout]   |          ----------------- variants in this enum
[INFO] [stdout] 2 |     CharBegin,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     CharEnd,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     CharBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     CharNotBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     CharAny
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `regex_type` and `string` are never read
[INFO] [stdout]   --> src/config.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SpecialCharacters {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 11 |     pub regex_type : RegularExpression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub string : String
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/config.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct QueryDetails {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Option<SpecialCharacters>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `regex_extraction` is never used
[INFO] [stdout]   --> src/config.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl QueryDetails {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn regex_extraction(&mut self) -> Option<QueryDetails> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Error};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CharBegin`, `CharEnd`, `CharBetween`, `CharNotBetween`, and `CharAny` are never constructed
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum RegularExpression {
[INFO] [stdout]   |          ----------------- variants in this enum
[INFO] [stdout] 2 |     CharBegin,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     CharEnd,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     CharBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     CharNotBetween,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     CharAny
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `regex_type` and `string` are never read
[INFO] [stdout]   --> src/config.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SpecialCharacters {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 11 |     pub regex_type : RegularExpression,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub string : String
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `regex` is never read
[INFO] [stdout]   --> src/config.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct QueryDetails {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub regex: Option<SpecialCharacters>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `regex_extraction` is never used
[INFO] [stdout]   --> src/config.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl QueryDetails {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn regex_extraction(&mut self) -> Option<QueryDetails> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f81b497cac140df75ba9809a396e76a03a7230e51471ed09a21527ce54c58158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81b497cac140df75ba9809a396e76a03a7230e51471ed09a21527ce54c58158", kill_on_drop: false }`
[INFO] [stdout] f81b497cac140df75ba9809a396e76a03a7230e51471ed09a21527ce54c58158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19ff49c2711a7806ed841127b2cbf3292ea726b45e524bfa38f2cab3ae5f8ef0
[INFO] running `Command { std: "docker" "start" "-a" "19ff49c2711a7806ed841127b2cbf3292ea726b45e524bfa38f2cab3ae5f8ef0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 4 | use std::io::{ErrorKind, Error};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variants `CharBegin`, `CharEnd`, `CharBetween`, `CharNotBetween`, and `CharAny` are never constructed
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]  --> src/config.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum RegularExpression {
[INFO] [stderr]   |          ----------------- variants in this enum
[INFO] [stderr] 2 |     CharBegin,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 3 |     CharEnd,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 4 |     CharBetween,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 5 |     CharNotBetween,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 6 |     CharAny
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `regex_type` and `string` are never read
[INFO] [stderr]   --> src/config.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct SpecialCharacters {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] 11 |     pub regex_type : RegularExpression,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 12 |     pub string : String
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `regex` is never read
[INFO] [stderr]   --> src/config.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct QueryDetails {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub regex: Option<SpecialCharacters>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `regex_extraction` is never used
[INFO] [stderr]   --> src/config.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl QueryDetails {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn regex_extraction(&mut self) -> Option<QueryDetails> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `proj1` (bin "proj1" test) generated 5 warnings (run `cargo fix --bin "proj1" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `proj1` (bin "proj1") generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/proj1-1ea1f7a4d2e638d5)
[INFO] [stderr]      Running tests/filetest.rs (/opt/rustwide/target/debug/deps/filetest-ce3ad5b6adea5634)
[INFO] running `Command { std: "docker" "inspect" "19ff49c2711a7806ed841127b2cbf3292ea726b45e524bfa38f2cab3ae5f8ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ff49c2711a7806ed841127b2cbf3292ea726b45e524bfa38f2cab3ae5f8ef0", kill_on_drop: false }`
[INFO] [stdout] 19ff49c2711a7806ed841127b2cbf3292ea726b45e524bfa38f2cab3ae5f8ef0
