[INFO] cloning repository https://github.com/tuggan/coreutils-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuggan/coreutils-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Fcoreutils-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Fcoreutils-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1899dafc880d48ff8a76a875a654b3f6d2bc744e
[INFO] testing tuggan/coreutils-rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Fcoreutils-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuggan/coreutils-rust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuggan/coreutils-rust
[INFO] finished tweaking git repo https://github.com/tuggan/coreutils-rust
[INFO] tweaked toml for git repo https://github.com/tuggan/coreutils-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tuggan/coreutils-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bb82b174850543d2ee0d5d5b084f9ff86b53880edf5cecb10227cfee5119a05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bb82b174850543d2ee0d5d5b084f9ff86b53880edf5cecb10227cfee5119a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bb82b174850543d2ee0d5d5b084f9ff86b53880edf5cecb10227cfee5119a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb82b174850543d2ee0d5d5b084f9ff86b53880edf5cecb10227cfee5119a05", kill_on_drop: false }`
[INFO] [stdout] 7bb82b174850543d2ee0d5d5b084f9ff86b53880edf5cecb10227cfee5119a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5bdf9cac45b57547621656ac24aa8d1a7b997b87c3d87de78c0017b1dbc45b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea5bdf9cac45b57547621656ac24aa8d1a7b997b87c3d87de78c0017b1dbc45b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling coreutils-rust v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/time/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/time/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_suffix`
[INFO] [stdout]   --> src/lib/time/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_to_seconds`
[INFO] [stdout]   --> src/lib/time/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_from_os`
[INFO] [stdout]   --> src/lib/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_username`
[INFO] [stdout]   --> src/lib/user/unix.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `UserResult`
[INFO] [stdout]   --> src/lib/user/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/user/error.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_from_os`
[INFO] [stdout]   --> src/lib/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/time/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/time/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_suffix`
[INFO] [stdout]   --> src/lib/time/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_to_seconds`
[INFO] [stdout]   --> src/lib/time/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_username`
[INFO] [stdout]   --> src/lib/user/unix.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `UserResult`
[INFO] [stdout]   --> src/lib/user/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/user/error.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.41s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea5bdf9cac45b57547621656ac24aa8d1a7b997b87c3d87de78c0017b1dbc45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5bdf9cac45b57547621656ac24aa8d1a7b997b87c3d87de78c0017b1dbc45b", kill_on_drop: false }`
[INFO] [stdout] ea5bdf9cac45b57547621656ac24aa8d1a7b997b87c3d87de78c0017b1dbc45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae1c175bda6113fbb653ebb15dd8e4591a37768202d4f510cba2e207039e4186
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae1c175bda6113fbb653ebb15dd8e4591a37768202d4f510cba2e207039e4186", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling coreutils-rust v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/time/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/time/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_suffix`
[INFO] [stdout]   --> src/lib/time/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_to_seconds`
[INFO] [stdout]   --> src/lib/time/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_username`
[INFO] [stdout]   --> src/lib/user/unix.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `UserResult`
[INFO] [stdout]   --> src/lib/user/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/user/error.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_username`
[INFO] [stdout]   --> src/lib/user/unix.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `UserResult`
[INFO] [stdout]   --> src/lib/user/error.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/user/error.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_from_os`
[INFO] [stdout]   --> src/lib/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cwd`
[INFO] [stdout]   --> src/lib/env/unix.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/env/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/env/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/lib/time/error.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/time/error.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply_suffix`
[INFO] [stdout]   --> src/lib/time/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_to_seconds`
[INFO] [stdout]   --> src/lib/time/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_from_os`
[INFO] [stdout]   --> src/lib/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "ae1c175bda6113fbb653ebb15dd8e4591a37768202d4f510cba2e207039e4186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1c175bda6113fbb653ebb15dd8e4591a37768202d4f510cba2e207039e4186", kill_on_drop: false }`
[INFO] [stdout] ae1c175bda6113fbb653ebb15dd8e4591a37768202d4f510cba2e207039e4186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daa5be72bd4d5413c42f852b3103c33c8dcf0ee46b201130ff4f0e4263bcce48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daa5be72bd4d5413c42f852b3103c33c8dcf0ee46b201130ff4f0e4263bcce48", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `get_cwd`
[INFO] [stderr]   --> src/lib/env/unix.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib/env/error.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/env/error.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_username`
[INFO] [stderr]   --> src/lib/user/unix.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `UserResult`
[INFO] [stderr]   --> src/lib/user/error.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/user/error.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_from_os`
[INFO] [stderr]   --> src/lib/mod.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_cwd`
[INFO] [stderr]   --> src/lib/env/unix.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib/env/error.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/env/error.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib/time/error.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/time/error.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_suffix`
[INFO] [stderr]   --> src/lib/time/mod.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_to_seconds`
[INFO] [stderr]   --> src/lib/time/mod.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_username`
[INFO] [stderr]   --> src/lib/user/unix.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn get_username() -> UserResult<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `UserResult`
[INFO] [stderr]   --> src/lib/user/error.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub type UserResult<T> = std::result::Result<T, UserError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/user/error.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(code: usize, message: &str) -> UserError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_cwd`
[INFO] [stderr]   --> src/lib/env/unix.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_cwd<'a>() -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib/env/error.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Result<T> = std::result::Result<T, EnvError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/env/error.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(code: usize, message: &str) -> EnvError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib/time/error.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Result<T> = std::result::Result<T, TimeError>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/time/error.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(code: usize, message: &str) -> TimeError {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_suffix`
[INFO] [stderr]   --> src/lib/time/mod.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn apply_suffix(v: f64, c: char) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_to_seconds`
[INFO] [stderr]   --> src/lib/time/mod.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn parse_to_seconds(s: &str) -> error::Result<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `string_from_os`
[INFO] [stderr]   --> src/lib/mod.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn string_from_os(string: OsString) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basename-469e8f7345f9147e
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cat-d257ea4c87cdeff8
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coreutils_rust-ff84bc33e3e50adf
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pwd-30890247547a5826
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sleep-ce4366761e6f53ae
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/true-d1b84b38cd5753a8
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/whoami-5691fb30e199fa14
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yes-13f50ab761be80b0
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daa5be72bd4d5413c42f852b3103c33c8dcf0ee46b201130ff4f0e4263bcce48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa5be72bd4d5413c42f852b3103c33c8dcf0ee46b201130ff4f0e4263bcce48", kill_on_drop: false }`
[INFO] [stdout] daa5be72bd4d5413c42f852b3103c33c8dcf0ee46b201130ff4f0e4263bcce48