[INFO] fetching crate makeppkg 1.1.1...
[INFO] testing makeppkg-1.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate makeppkg 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate makeppkg 1.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate makeppkg 1.1.1
[INFO] finished tweaking crates.io crate makeppkg 1.1.1
[INFO] tweaked toml for crates.io crate makeppkg 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded os_pipe v0.7.0
[INFO] [stderr]   Downloaded duct v0.11.1
[INFO] [stderr]   Downloaded shared_child v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 888e466e3c6009ed3b9a608cbabd6a278f05c53e44e9f20bf14f56f73a88fade
[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" "888e466e3c6009ed3b9a608cbabd6a278f05c53e44e9f20bf14f56f73a88fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888e466e3c6009ed3b9a608cbabd6a278f05c53e44e9f20bf14f56f73a88fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888e466e3c6009ed3b9a608cbabd6a278f05c53e44e9f20bf14f56f73a88fade", kill_on_drop: false }`
[INFO] [stdout] 888e466e3c6009ed3b9a608cbabd6a278f05c53e44e9f20bf14f56f73a88fade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 8c4409434f9dc433d6d31093188b81f3e2318ace453cd111a6234e470bc2e678
[INFO] running `Command { std: "docker" "start" "-a" "8c4409434f9dc433d6d31093188b81f3e2318ace453cd111a6234e470bc2e678", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling shared_child v0.3.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling os_pipe v0.7.0
[INFO] [stderr]    Compiling duct v0.11.1
[INFO] [stderr]    Compiling makeppkg v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/file_to_string.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_to_string(mut file: File) -> (Result<String, String>) {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/patch.rs:53:57
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn find_patches(location: PathBuf, pkgname: &String) -> (Result<Vec<PatchFile>, String>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/arg_parse.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if blacklist.contains(&value.trim_left_matches("-")) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/package_name.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for mut line in srcinfo.lines() {
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/patch.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut patch = PatchFile {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for mut sum in checksums {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for mut patch in patches {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/patch.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     write!(
[INFO] [stdout] 208 | |         &OpenOptions::new()
[INFO] [stdout] 209 | |             .read(false)
[INFO] [stdout] 210 | |             .write(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |         updpkgbuild
[INFO] [stdout] 216 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.09s
[INFO] running `Command { std: "docker" "inspect" "8c4409434f9dc433d6d31093188b81f3e2318ace453cd111a6234e470bc2e678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4409434f9dc433d6d31093188b81f3e2318ace453cd111a6234e470bc2e678", kill_on_drop: false }`
[INFO] [stdout] 8c4409434f9dc433d6d31093188b81f3e2318ace453cd111a6234e470bc2e678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7dd84878fb78950067dfb4158f7e60fbe1bab6a1700946a4acd91d8d04537d1
[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" "b7dd84878fb78950067dfb4158f7e60fbe1bab6a1700946a4acd91d8d04537d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling makeppkg v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/file_to_string.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_to_string(mut file: File) -> (Result<String, String>) {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/patch.rs:53:57
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn find_patches(location: PathBuf, pkgname: &String) -> (Result<Vec<PatchFile>, String>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/arg_parse.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if blacklist.contains(&value.trim_left_matches("-")) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/package_name.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     for mut line in srcinfo.lines() {
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/patch.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut patch = PatchFile {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for mut sum in checksums {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/patch.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for mut patch in patches {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/patch.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     write!(
[INFO] [stdout] 208 | |         &OpenOptions::new()
[INFO] [stdout] 209 | |             .read(false)
[INFO] [stdout] 210 | |             .write(true)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |         updpkgbuild
[INFO] [stdout] 216 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "b7dd84878fb78950067dfb4158f7e60fbe1bab6a1700946a4acd91d8d04537d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7dd84878fb78950067dfb4158f7e60fbe1bab6a1700946a4acd91d8d04537d1", kill_on_drop: false }`
[INFO] [stdout] b7dd84878fb78950067dfb4158f7e60fbe1bab6a1700946a4acd91d8d04537d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 2471258be4cd7a4ed17faca7792fef048fe96d1601ab773c455c12951db2fb8e
[INFO] running `Command { std: "docker" "start" "-a" "2471258be4cd7a4ed17faca7792fef048fe96d1601ab773c455c12951db2fb8e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/file_to_string.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn file_to_string(mut file: File) -> (Result<String, String>) {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/patch.rs:53:57
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn find_patches(location: PathBuf, pkgname: &String) -> (Result<Vec<PatchFile>, String>) {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]   --> src/arg_parse.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if blacklist.contains(&value.trim_left_matches("-")) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/package_name.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     for mut line in srcinfo.lines() {
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/patch.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut patch = PatchFile {
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/patch.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         for mut sum in checksums {
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/patch.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |     for mut patch in patches {
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/patch.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 | /     write!(
[INFO] [stderr] 208 | |         &OpenOptions::new()
[INFO] [stderr] 209 | |             .read(false)
[INFO] [stderr] 210 | |             .write(true)
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |         updpkgbuild
[INFO] [stderr] 216 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `makeppkg` (bin "makeppkg" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/makeppkg-02efacb135406be9)
[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" "2471258be4cd7a4ed17faca7792fef048fe96d1601ab773c455c12951db2fb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2471258be4cd7a4ed17faca7792fef048fe96d1601ab773c455c12951db2fb8e", kill_on_drop: false }`
[INFO] [stdout] 2471258be4cd7a4ed17faca7792fef048fe96d1601ab773c455c12951db2fb8e
