[INFO] cloning repository https://github.com/speratus/devboot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/speratus/devboot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6089c4779694c8d4cb708db35fafe1fabf74fceb
[INFO] testing speratus/devboot against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsperatus%2Fdevboot" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/speratus/devboot on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/speratus/devboot
[INFO] finished tweaking git repo https://github.com/speratus/devboot
[INFO] tweaked toml for git repo https://github.com/speratus/devboot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/speratus/devboot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0794b0b71222497694dec328896199c0e6463a9a52777122ad4a3b809b305b29
[INFO] running `Command { std: "docker" "start" "-a" "0794b0b71222497694dec328896199c0e6463a9a52777122ad4a3b809b305b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0794b0b71222497694dec328896199c0e6463a9a52777122ad4a3b809b305b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0794b0b71222497694dec328896199c0e6463a9a52777122ad4a3b809b305b29", kill_on_drop: false }`
[INFO] [stdout] 0794b0b71222497694dec328896199c0e6463a9a52777122ad4a3b809b305b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58272b065cc9882d17e7ce983e3e22fa446bedf861aae259bc4074eadc87a81f
[INFO] running `Command { std: "docker" "start" "-a" "58272b065cc9882d17e7ce983e3e22fa446bedf861aae259bc4074eadc87a81f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling devboot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let matches = App::new("devboot")
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/environ.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn open_file(file_path: &String) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_proc`
[INFO] [stdout]   --> src/environ.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn open_proc(&self) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_cmds`
[INFO] [stdout]   --> src/environ.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn load_cmds(reader: BufReader<File>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `strs_to_cmds`
[INFO] [stdout]   --> src/environ.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn strs_to_cmds(cmd_strs: Vec<String>) -> Vec<CmdLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_proc`
[INFO] [stdout]   --> src/environ.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn read_proc(&self) -> Vec<CmdLine> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/environ.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn save(&self, file_path: &String) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/environ.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn read(file_path: &String, name: &String) -> io::Result<Environ> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy_proc_file`
[INFO] [stdout]   --> src/environ.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/environ.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(name: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_arg`
[INFO] [stdout]    --> src/environ.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn push_arg(&mut self, arg: String) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CmdLine`
[INFO] [stdout]  --> src/cmdline.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CmdLine {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_str`
[INFO] [stdout]  --> src/cmdline.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn parse_str(cmd_line: &String) -> Self {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.77s
[INFO] running `Command { std: "docker" "inspect" "58272b065cc9882d17e7ce983e3e22fa446bedf861aae259bc4074eadc87a81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58272b065cc9882d17e7ce983e3e22fa446bedf861aae259bc4074eadc87a81f", kill_on_drop: false }`
[INFO] [stdout] 58272b065cc9882d17e7ce983e3e22fa446bedf861aae259bc4074eadc87a81f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5d1dfff23593d4a06135a4d3de3bc133bf438b8ffe03ddbf0563d1a5d3f36c6
[INFO] running `Command { std: "docker" "start" "-a" "a5d1dfff23593d4a06135a4d3de3bc133bf438b8ffe03ddbf0563d1a5d3f36c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling devboot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let matches = App::new("devboot")
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_file`
[INFO] [stdout]   --> src/environ.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn open_file(file_path: &String) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_proc`
[INFO] [stdout]   --> src/environ.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn open_proc(&self) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_cmds`
[INFO] [stdout]   --> src/environ.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn load_cmds(reader: BufReader<File>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `strs_to_cmds`
[INFO] [stdout]   --> src/environ.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn strs_to_cmds(cmd_strs: Vec<String>) -> Vec<CmdLine> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_proc`
[INFO] [stdout]   --> src/environ.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn read_proc(&self) -> Vec<CmdLine> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/environ.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn save(&self, file_path: &String) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/environ.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn read(file_path: &String, name: &String) -> io::Result<Environ> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy_proc_file`
[INFO] [stdout]   --> src/environ.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/environ.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(name: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_arg`
[INFO] [stdout]    --> src/environ.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn push_arg(&mut self, arg: String) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CmdLine`
[INFO] [stdout]  --> src/cmdline.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CmdLine {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_str`
[INFO] [stdout]  --> src/cmdline.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn parse_str(cmd_line: &String) -> Self {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/devboot-1c5679bc8f95a824)
[INFO] running `Command { std: "docker" "inspect" "a5d1dfff23593d4a06135a4d3de3bc133bf438b8ffe03ddbf0563d1a5d3f36c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d1dfff23593d4a06135a4d3de3bc133bf438b8ffe03ddbf0563d1a5d3f36c6", kill_on_drop: false }`
[INFO] [stdout] a5d1dfff23593d4a06135a4d3de3bc133bf438b8ffe03ddbf0563d1a5d3f36c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4359c2089ffdce7b9e84d568cc52a0facfa7f70794181ba2824d2130b7c91a0
[INFO] running `Command { std: "docker" "start" "-a" "d4359c2089ffdce7b9e84d568cc52a0facfa7f70794181ba2824d2130b7c91a0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let matches = App::new("devboot")
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open_file`
[INFO] [stderr]   --> src/environ.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn open_file(file_path: &String) -> File {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open_proc`
[INFO] [stderr]   --> src/environ.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn open_proc(&self) -> File {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load_cmds`
[INFO] [stderr]   --> src/environ.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn load_cmds(reader: BufReader<File>) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `strs_to_cmds`
[INFO] [stderr]   --> src/environ.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn strs_to_cmds(cmd_strs: Vec<String>) -> Vec<CmdLine> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_proc`
[INFO] [stderr]   --> src/environ.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn read_proc(&self) -> Vec<CmdLine> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]   --> src/environ.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn save(&self, file_path: &String) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/environ.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn read(file_path: &String, name: &String) -> io::Result<Environ> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `copy_proc_file`
[INFO] [stderr]   --> src/environ.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn copy_proc_file(&mut self, from_path: &String, to_path: &String) -> io::Result<u64> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/environ.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn new(name: String) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push_arg`
[INFO] [stderr]    --> src/environ.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn push_arg(&mut self, arg: String) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CmdLine`
[INFO] [stderr]  --> src/cmdline.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct CmdLine {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_str`
[INFO] [stderr]  --> src/cmdline.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn parse_str(cmd_line: &String) -> Self {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `devboot` (bin "devboot" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/devboot-1c5679bc8f95a824)
[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" "d4359c2089ffdce7b9e84d568cc52a0facfa7f70794181ba2824d2130b7c91a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4359c2089ffdce7b9e84d568cc52a0facfa7f70794181ba2824d2130b7c91a0", kill_on_drop: false }`
[INFO] [stdout] d4359c2089ffdce7b9e84d568cc52a0facfa7f70794181ba2824d2130b7c91a0