[INFO] cloning repository https://github.com/AnthonyDest/Rust-Flamegraph-Profiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnthonyDest/Rust-Flamegraph-Profiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ff2b3ae951d7a8f5bbd7528a05d933e2dd5de4
[INFO] testing AnthonyDest/Rust-Flamegraph-Profiler against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyDest%2FRust-Flamegraph-Profiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler
[INFO] finished tweaking git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler
[INFO] tweaked toml for git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AnthonyDest/Rust-Flamegraph-Profiler 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4974d644b59648eae44c237842ac3b5d7feeff0a02ee73bc56844ad8ab9e6b2d
[INFO] running `Command { std: "docker" "start" "-a" "4974d644b59648eae44c237842ac3b5d7feeff0a02ee73bc56844ad8ab9e6b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4974d644b59648eae44c237842ac3b5d7feeff0a02ee73bc56844ad8ab9e6b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4974d644b59648eae44c237842ac3b5d7feeff0a02ee73bc56844ad8ab9e6b2d", kill_on_drop: false }`
[INFO] [stdout] 4974d644b59648eae44c237842ac3b5d7feeff0a02ee73bc56844ad8ab9e6b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b0d605e9becd6ffe1497efaa08c9eda9239c1b8366537ba36be29ec34902655
[INFO] running `Command { std: "docker" "start" "-a" "1b0d605e9becd6ffe1497efaa08c9eda9239c1b8366537ba36be29ec34902655", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling lab4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/idea.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/idea.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/package.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/package.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/student.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event};
[INFO] [stdout]   |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/student.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]  --> src/student.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read
[INFO] [stdout]   --> src/student.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 7  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     skipped_idea: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     idea_queue: Vec<Idea>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:6:92
[INFO] [stdout]   |
[INFO] [stdout] 6 |     checksum::Checksum, idea::IdeaGenerator, package::PackageDownloader, student::Student, Event,
[INFO] [stdout]   |                                                                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "1b0d605e9becd6ffe1497efaa08c9eda9239c1b8366537ba36be29ec34902655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0d605e9becd6ffe1497efaa08c9eda9239c1b8366537ba36be29ec34902655", kill_on_drop: false }`
[INFO] [stdout] 1b0d605e9becd6ffe1497efaa08c9eda9239c1b8366537ba36be29ec34902655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105bee0ce53d624198bef5a4fb0baf81ecd4ff69e844ce7f94d97167c39f9e4e
[INFO] running `Command { std: "docker" "start" "-a" "105bee0ce53d624198bef5a4fb0baf81ecd4ff69e844ce7f94d97167c39f9e4e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/idea.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/idea.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/package.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/package.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/student.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event};
[INFO] [stdout]   |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/student.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]  --> src/student.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read
[INFO] [stdout]   --> src/student.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 7  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     skipped_idea: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     idea_queue: Vec<Idea>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lab4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/idea.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/idea.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Event`
[INFO] [stdout]  --> src/package.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/package.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/student.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event};
[INFO] [stdout]   |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]  --> src/student.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel::{Receiver, Sender};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]  --> src/student.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read
[INFO] [stdout]   --> src/student.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 7  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     skipped_idea: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     idea_queue: Vec<Idea>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:6:92
[INFO] [stdout]   |
[INFO] [stdout] 6 |     checksum::Checksum, idea::IdeaGenerator, package::PackageDownloader, student::Student, Event,
[INFO] [stdout]   |                                                                                            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "105bee0ce53d624198bef5a4fb0baf81ecd4ff69e844ce7f94d97167c39f9e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105bee0ce53d624198bef5a4fb0baf81ecd4ff69e844ce7f94d97167c39f9e4e", kill_on_drop: false }`
[INFO] [stdout] 105bee0ce53d624198bef5a4fb0baf81ecd4ff69e844ce7f94d97167c39f9e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d797e6849f55468e39177a57e3c6a6b6078b5362b26a2a7c27ffcd5c06360372
[INFO] running `Command { std: "docker" "start" "-a" "d797e6849f55468e39177a57e3c6a6b6078b5362b26a2a7c27ffcd5c06360372", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::Event`
[INFO] [stderr]  --> src/idea.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::Event;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/idea.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Event`
[INFO] [stderr]  --> src/package.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::Event;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/package.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Event`
[INFO] [stderr]  --> src/student.rs:1:63
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{checksum::Checksum, idea::Idea, package::Package, Event};
[INFO] [stderr]   |                                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]  --> src/student.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam::channel::{Receiver, Sender};
[INFO] [stderr]   |                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write` and `stdout`
[INFO] [stderr]  --> src/student.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `skipped_idea`, and `idea_queue` are never read
[INFO] [stderr]   --> src/student.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub struct Student {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 7  |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     skipped_idea: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     idea_queue: Vec<Idea>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lab4` (lib) generated 8 warnings (run `cargo fix --lib -p lab4` to apply 7 suggestions)
[INFO] [stderr] warning: `lab4` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused import: `Event`
[INFO] [stderr]  --> src/main.rs:6:92
[INFO] [stderr]   |
[INFO] [stderr] 6 |     checksum::Checksum, idea::IdeaGenerator, package::PackageDownloader, student::Student, Event,
[INFO] [stderr]   |                                                                                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lab4` (bin "lab4" test) generated 1 warning (run `cargo fix --bin "lab4" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lab4-c60a2057f732da4b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lab4-335689bbf1fb89b6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lab4
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d797e6849f55468e39177a57e3c6a6b6078b5362b26a2a7c27ffcd5c06360372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d797e6849f55468e39177a57e3c6a6b6078b5362b26a2a7c27ffcd5c06360372", kill_on_drop: false }`
[INFO] [stdout] d797e6849f55468e39177a57e3c6a6b6078b5362b26a2a7c27ffcd5c06360372
