[INFO] cloning repository https://github.com/aniruddhha/rust-hands-on
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aniruddhha/rust-hands-on" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faniruddhha%2Frust-hands-on", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faniruddhha%2Frust-hands-on'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41287cbda4d46438d8a6b2bca656babc0a22bfcd
[INFO] testing aniruddhha/rust-hands-on against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faniruddhha%2Frust-hands-on" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aniruddhha/rust-hands-on
[INFO] finished tweaking git repo https://github.com/aniruddhha/rust-hands-on
[INFO] tweaked toml for git repo https://github.com/aniruddhha/rust-hands-on written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aniruddhha/rust-hands-on on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aniruddhha/rust-hands-on 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2139bfb49714e3d08c5bbd3be969b7121d7e071a487243fd0f45fe6bdcc46dc8
[INFO] running `Command { std: "docker" "start" "-a" "2139bfb49714e3d08c5bbd3be969b7121d7e071a487243fd0f45fe6bdcc46dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2139bfb49714e3d08c5bbd3be969b7121d7e071a487243fd0f45fe6bdcc46dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2139bfb49714e3d08c5bbd3be969b7121d7e071a487243fd0f45fe6bdcc46dc8", kill_on_drop: false }`
[INFO] [stdout] 2139bfb49714e3d08c5bbd3be969b7121d7e071a487243fd0f45fe6bdcc46dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324bd2de16643625f2d4bd2e5561ff02a41b6d7871e11c04925d93a99096a763
[INFO] running `Command { std: "docker" "start" "-a" "324bd2de16643625f2d4bd2e5561ff02a41b6d7871e11c04925d93a99096a763", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hands-on v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `basic_4` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn basic_4() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_5` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn basic_5() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_6` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn basic_6() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut y1 = &mut a;
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str1`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let str1: String = "hello".to_owned();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str2`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let str2: &str = "hello again";
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let x1 = &a;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/bin/02_ownership_borrow.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let x2 = &a;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Base` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Base {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gutter` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Gutter {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Margin` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Margin { 
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Level1` is never used
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Level1: Base + Gutter {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Level2` is never used
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Level2: Base + Gutter + Margin {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_demo` is never used
[INFO] [stdout]  --> src/bin/06_smart_pointers_01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn box_demo() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_demo_1` is never used
[INFO] [stdout]  --> src/bin/06_smart_pointers_01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn rc_demo_1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_demo_2` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn rc_demo_2() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arc_demo_1` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn arc_demo_1() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `refcell_demo_1` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn refcell_demo_1() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `refcell_demo_2` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn refcell_demo_2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flat_mapped`
[INFO] [stdout]   --> src/bin/01_vec.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let flat_mapped = words.iter().flat_map(|word| word.chars()).collect::<Vec<char>>();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flat_mapped`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo1` is never used
[INFO] [stdout]  --> src/bin/01_vec.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn demo1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo2` is never used
[INFO] [stdout]   --> src/bin/01_vec.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn demo2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/bin/08_error_01.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, fmt::write, fs, io::Error};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_1` is never used
[INFO] [stdout]  --> src/bin/08_error_01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn basic_1() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_2` is never used
[INFO] [stdout]  --> src/bin/08_error_01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn basic_2() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_3` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn basic_3() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_4` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn basic_4() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_6` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn basic_6() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_7` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn basic_7() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut a = 10; // mutable variable
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `z` is assigned to, but never used
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut z = y;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_z` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     z = &90;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one` is never used
[INFO] [stdout]  --> src/bin/02_ownership_borrow_02.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn add_one(x: &mut i32) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "324bd2de16643625f2d4bd2e5561ff02a41b6d7871e11c04925d93a99096a763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324bd2de16643625f2d4bd2e5561ff02a41b6d7871e11c04925d93a99096a763", kill_on_drop: false }`
[INFO] [stdout] 324bd2de16643625f2d4bd2e5561ff02a41b6d7871e11c04925d93a99096a763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a6d338401c8a2dec41cd364869d89c4488b2ac9d2d4b089762e7291017776d
[INFO] running `Command { std: "docker" "start" "-a" "e7a6d338401c8a2dec41cd364869d89c4488b2ac9d2d4b089762e7291017776d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hands-on v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/bin/08_error_01.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, fmt::write, fs, io::Error};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_1` is never used
[INFO] [stdout]  --> src/bin/08_error_01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn basic_1() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_2` is never used
[INFO] [stdout]  --> src/bin/08_error_01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn basic_2() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_3` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn basic_3() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_4` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn basic_4() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_6` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn basic_6() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_7` is never used
[INFO] [stdout]   --> src/bin/08_error_01.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn basic_7() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Base` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Base {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gutter` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Gutter {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Margin` is never used
[INFO] [stdout]  --> src/bin/05_trait_inheritance.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Margin { 
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Level1` is never used
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Level1: Base + Gutter {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Level2` is never used
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Level2: Base + Gutter + Margin {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/bin/05_trait_inheritance.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_4` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn basic_4() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_5` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn basic_5() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basic_6` is never used
[INFO] [stdout]   --> src/bin/07_options_01.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn basic_6() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut a = 10; // mutable variable
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `z` is assigned to, but never used
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut z = y;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_z` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]   --> src/bin/02_ownership_borrow_02.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     z = &90;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one` is never used
[INFO] [stdout]  --> src/bin/02_ownership_borrow_02.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn add_one(x: &mut i32) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_demo` is never used
[INFO] [stdout]  --> src/bin/06_smart_pointers_01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn box_demo() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_demo_1` is never used
[INFO] [stdout]  --> src/bin/06_smart_pointers_01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn rc_demo_1() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_demo_2` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn rc_demo_2() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arc_demo_1` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn arc_demo_1() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `refcell_demo_1` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn refcell_demo_1() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `refcell_demo_2` is never used
[INFO] [stdout]   --> src/bin/06_smart_pointers_01.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn refcell_demo_2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/02_ownership_borrow.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut y1 = &mut a;
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str1`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let str1: String = "hello".to_owned();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str2`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let str2: &str = "hello again";
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x1`
[INFO] [stdout]  --> src/bin/02_ownership_borrow.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let x1 = &a;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x2`
[INFO] [stdout]   --> src/bin/02_ownership_borrow.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let x2 = &a;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flat_mapped`
[INFO] [stdout]   --> src/bin/01_vec.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let flat_mapped = words.iter().flat_map(|word| word.chars()).collect::<Vec<char>>();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flat_mapped`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo1` is never used
[INFO] [stdout]  --> src/bin/01_vec.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn demo1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo2` is never used
[INFO] [stdout]   --> src/bin/01_vec.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn demo2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "e7a6d338401c8a2dec41cd364869d89c4488b2ac9d2d4b089762e7291017776d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a6d338401c8a2dec41cd364869d89c4488b2ac9d2d4b089762e7291017776d", kill_on_drop: false }`
[INFO] [stdout] e7a6d338401c8a2dec41cd364869d89c4488b2ac9d2d4b089762e7291017776d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d2fe2f1642ba69591b0a9016783645eefac9ffb2d2056827442e9de0965ee5d
[INFO] running `Command { std: "docker" "start" "-a" "8d2fe2f1642ba69591b0a9016783645eefac9ffb2d2056827442e9de0965ee5d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fmt::write`
[INFO] [stdout] 
[INFO] [stderr]  --> src/bin/08_error_01.rs:2:16
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::{env, fmt::write, fs, io::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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: function `basic_1` is never used
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]  --> src/bin/08_error_01.rs:4:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn basic_1() {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_2` is never used
[INFO] [stderr]  --> src/bin/08_error_01.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn basic_2() {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_3` is never used
[INFO] [stderr]   --> src/bin/08_error_01.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn basic_3() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_4` is never used
[INFO] [stderr]   --> src/bin/08_error_01.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn basic_4() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_6` is never used
[INFO] [stderr]   --> src/bin/08_error_01.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn basic_6() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_7` is never used
[INFO] [stderr]   --> src/bin/08_error_01.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn basic_7() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hands-on` (bin "08_error_01" test) generated 7 warnings (run `cargo fix --bin "08_error_01" -p rust-hands-on --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `flat_mapped`
[INFO] [stderr]   --> src/bin/01_vec.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let flat_mapped = words.iter().flat_map(|word| word.chars()).collect::<Vec<char>>();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flat_mapped`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `demo1` is never used
[INFO] [stderr]  --> src/bin/01_vec.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn demo1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `demo2` is never used
[INFO] [stderr]   --> src/bin/01_vec.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn demo2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/02_ownership_borrow_02.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut a = 10; // mutable variable
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `z` is assigned to, but never used
[INFO] [stderr]   --> src/bin/02_ownership_borrow_02.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut z = y;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_z` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/bin/02_ownership_borrow_02.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut b: &i32 = &a; // immutable reference to a
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z` is never read
[INFO] [stderr]   --> src/bin/02_ownership_borrow_02.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     z = &90;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_one` is never used
[INFO] [stderr]  --> src/bin/02_ownership_borrow_02.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn add_one(x: &mut i32) {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hands-on` (bin "01_vec" test) generated 3 warnings (run `cargo fix --bin "01_vec" -p rust-hands-on --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-hands-on` (bin "02_ownership_borrow_02" test) generated 6 warnings (run `cargo fix --bin "02_ownership_borrow_02" -p rust-hands-on --tests` to apply 3 suggestions)
[INFO] [stderr] warning: function `basic_4` is never used
[INFO] [stderr]   --> src/bin/07_options_01.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn basic_4() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_5` is never used
[INFO] [stderr]   --> src/bin/07_options_01.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn basic_5() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basic_6` is never used
[INFO] [stderr]   --> src/bin/07_options_01.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn basic_6() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/02_ownership_borrow.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut y1 = &mut a;
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str1`
[INFO] [stderr]  --> src/bin/02_ownership_borrow.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let str1: String = "hello".to_owned();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str2`
[INFO] [stderr]  --> src/bin/02_ownership_borrow.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let str2: &str = "hello again";
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x1`
[INFO] [stderr]  --> src/bin/02_ownership_borrow.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let x1 = &a;
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_x1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x2`
[INFO] [stderr]   --> src/bin/02_ownership_borrow.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let x2 = &a;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_x2`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Base` is never used
[INFO] [stderr]  --> src/bin/05_trait_inheritance.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Base {
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Gutter` is never used
[INFO] [stderr]  --> src/bin/05_trait_inheritance.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | trait Gutter {
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Margin` is never used
[INFO] [stderr]  --> src/bin/05_trait_inheritance.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | trait Margin { 
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Level1` is never used
[INFO] [stderr]   --> src/bin/05_trait_inheritance.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | trait Level1: Base + Gutter {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Level2` is never used
[INFO] [stderr]   --> src/bin/05_trait_inheritance.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | trait Level2: Base + Gutter + Margin {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]   --> src/bin/05_trait_inheritance.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Point {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `box_demo` is never used
[INFO] [stderr]  --> src/bin/06_smart_pointers_01.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn box_demo() {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `rc_demo_1` is never used
[INFO] [stderr]  --> src/bin/06_smart_pointers_01.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rc_demo_1() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rc_demo_2` is never used
[INFO] [stderr]   --> src/bin/06_smart_pointers_01.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn rc_demo_2() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `arc_demo_1` is never used
[INFO] [stderr]   --> src/bin/06_smart_pointers_01.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn arc_demo_1() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `refcell_demo_1` is never used
[INFO] [stderr]   --> src/bin/06_smart_pointers_01.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn refcell_demo_1() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `refcell_demo_2` is never used
[INFO] [stderr]   --> src/bin/06_smart_pointers_01.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn refcell_demo_2() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hands-on` (bin "07_options_01" test) generated 3 warnings
[INFO] [stderr] warning: `rust-hands-on` (bin "02_ownership_borrow" test) generated 5 warnings (run `cargo fix --bin "02_ownership_borrow" -p rust-hands-on --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `rust-hands-on` (bin "05_trait_inheritance" test) generated 6 warnings
[INFO] [stderr] warning: `rust-hands-on` (bin "06_smart_pointers_01" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/bin/01_vec.rs (/opt/rustwide/target/debug/deps/01_vec-613cfcffeb71af06)
[INFO] [stderr]      Running unittests src/bin/02_ownership_borrow.rs (/opt/rustwide/target/debug/deps/02_ownership_borrow-b256a57b7773906b)
[INFO] [stderr]      Running unittests src/bin/02_ownership_borrow_02.rs (/opt/rustwide/target/debug/deps/02_ownership_borrow_02-85938f66be876d8f)
[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] [stderr]      Running unittests src/bin/02_ownership_borrow_03.rs (/opt/rustwide/target/debug/deps/02_ownership_borrow_03-cf5972702c136217)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/03_01_linked_list.rs (/opt/rustwide/target/debug/deps/03_01_linked_list-3383b13cfc224129)
[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] [stderr]      Running unittests src/bin/03_02_linked_list.rs (/opt/rustwide/target/debug/deps/03_02_linked_list-5d31fbeb9ce36120)
[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] [stderr]      Running unittests src/bin/03_03_linked_list.rs (/opt/rustwide/target/debug/deps/03_03_linked_list-3db3d36454730185)
[INFO] [stderr]      Running unittests src/bin/04_max_num.rs (/opt/rustwide/target/debug/deps/04_max_num-d7e4272c1daf861b)
[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 1 test
[INFO] [stdout] test tests::test_max_num ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_max_num stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_max_num' (24) panicked at src/bin/04_max_num.rs:27:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 70
[INFO] [stdout]  right: 89
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57e71b885a42 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57e71b885a42 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57e71b885a42 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57e71b885a42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57e71b895bfa - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57e71b895bfa - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x57e71b854786 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57e71b854786 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57e71b864f29 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57e71b864f29 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57e71b864dc1 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x57e71b82946e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x57e71b82946e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57e71b8651a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x57e71b8651a2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x57e71b864fe8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x57e71b860579 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x57e71b8495bd - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x57e71b89cf8c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57e71b89ce43 - core::panicking::assert_failed_inner::h3c3301979dc81b81
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x57e71b873ce9 - core::panicking::assert_failed::h504ace85b6b11891
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x57e71b8091ce - _04_max_num::tests::test_max_num::h47bf416f8e72844d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/04_max_num.rs:27:9
[INFO] [stdout]   22:     0x57e71b8091f7 - _04_max_num::tests::test_max_num::{{closure}}::hcc5a9a04d9f045b6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/04_max_num.rs:23:22
[INFO] [stdout]   23:     0x57e71b8094a6 - core::ops::function::FnOnce::call_once::h879fe0d0508d159e
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57e71b82922b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57e71b82922b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x57e71b83cc3a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x57e71b83cc3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x57e71b83cc3a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x57e71b83cc3a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x57e71b83cc3a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57e71b83cc3a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x57e71b83cc3a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x57e71b817094 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x57e71b817094 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x57e71b81aa32 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x57e71b81aa32 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x57e71b81aa32 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x57e71b81aa32 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x57e71b81aa32 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57e71b81aa32 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x57e71b81aa32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57e71b85b80f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x57e71b85b80f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x79fe89d9caa4 - <unknown>
[INFO] [stdout]   45:     0x79fe89e29a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_max_num
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin 04_max_num`
[INFO] running `Command { std: "docker" "inspect" "8d2fe2f1642ba69591b0a9016783645eefac9ffb2d2056827442e9de0965ee5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2fe2f1642ba69591b0a9016783645eefac9ffb2d2056827442e9de0965ee5d", kill_on_drop: false }`
[INFO] [stdout] 8d2fe2f1642ba69591b0a9016783645eefac9ffb2d2056827442e9de0965ee5d
