[INFO] fetching crate panty 0.8.4... [INFO] testing panty-0.8.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate panty 0.8.4 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate panty 0.8.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate panty 0.8.4 [INFO] finished tweaking crates.io crate panty 0.8.4 [INFO] tweaked toml for crates.io crate panty 0.8.4 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded patrol v0.3.0 [INFO] [stderr] Downloaded inotify v0.3.0 [INFO] [stderr] Downloaded ctrlc v2.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df1c2b0a31f406d85697d54bbf175beb4acaf75869b76a01778508a11bc22fec [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" "df1c2b0a31f406d85697d54bbf175beb4acaf75869b76a01778508a11bc22fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df1c2b0a31f406d85697d54bbf175beb4acaf75869b76a01778508a11bc22fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df1c2b0a31f406d85697d54bbf175beb4acaf75869b76a01778508a11bc22fec", kill_on_drop: false }` [INFO] [stdout] df1c2b0a31f406d85697d54bbf175beb4acaf75869b76a01778508a11bc22fec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] a11ea8d1637f4f8e8892bed8bbe0856485995e4008f01e4528c5232549b70f00 [INFO] running `Command { std: "docker" "start" "-a" "a11ea8d1637f4f8e8892bed8bbe0856485995e4008f01e4528c5232549b70f00", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling argparse v0.2.2 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling inotify v0.3.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling unix_socket v0.5.0 [INFO] [stderr] Compiling ctrlc v2.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling patrol v0.3.0 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling panty v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:49 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::{home_dir, current_dir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:253:23 [INFO] [stdout] | [INFO] [stdout] 253 | let mut buf = home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.19s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a11ea8d1637f4f8e8892bed8bbe0856485995e4008f01e4528c5232549b70f00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a11ea8d1637f4f8e8892bed8bbe0856485995e4008f01e4528c5232549b70f00", kill_on_drop: false }` [INFO] [stdout] a11ea8d1637f4f8e8892bed8bbe0856485995e4008f01e4528c5232549b70f00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 3a7fcd70b5d42f17787bfc49205d1d6aff93ec72bdc86b5754ce3e0953e176b2 [INFO] running `Command { std: "docker" "start" "-a" "3a7fcd70b5d42f17787bfc49205d1d6aff93ec72bdc86b5754ce3e0953e176b2", kill_on_drop: false }` [INFO] [stderr] Compiling panty v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:49 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/spell/mod.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lister/mod.rs:11:49 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::{home_dir, current_dir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/main.rs:253:23 [INFO] [stdout] | [INFO] [stdout] 253 | let mut buf = home_dir().unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "3a7fcd70b5d42f17787bfc49205d1d6aff93ec72bdc86b5754ce3e0953e176b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a7fcd70b5d42f17787bfc49205d1d6aff93ec72bdc86b5754ce3e0953e176b2", kill_on_drop: false }` [INFO] [stdout] 3a7fcd70b5d42f17787bfc49205d1d6aff93ec72bdc86b5754ce3e0953e176b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bb79b9a96142eac9dce7adedfd309d408cc128749f22fa60c463b7ad104c0ea6 [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" "bb79b9a96142eac9dce7adedfd309d408cc128749f22fa60c463b7ad104c0ea6", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/spell/mod.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/spell/mod.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/lister/mod.rs:11:34 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/lister/mod.rs:11:49 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/spell/mod.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/spell/mod.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(RustcEncodable, RustcDecodable, Clone, Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/lister/mod.rs:11:34 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/lister/mod.rs:11:49 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(PartialEq,Eq,Hash,Clone,RustcEncodable,RustcDecodable,Debug)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stderr] --> src/main.rs:8:16 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env::{home_dir, current_dir}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stderr] --> src/main.rs:253:23 [INFO] [stderr] | [INFO] [stderr] 253 | let mut buf = home_dir().unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/panty-1a2c16f301360bae) [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 (/opt/rustwide/target/debug/deps/panty-0385479a3feb56f4) [INFO] [stdout] [INFO] [stderr] Doc-tests panty [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bb79b9a96142eac9dce7adedfd309d408cc128749f22fa60c463b7ad104c0ea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb79b9a96142eac9dce7adedfd309d408cc128749f22fa60c463b7ad104c0ea6", kill_on_drop: false }` [INFO] [stdout] bb79b9a96142eac9dce7adedfd309d408cc128749f22fa60c463b7ad104c0ea6