[INFO] updating cached repository slmjkdbtl/cargo-app
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slmjkdbtl/cargo-app
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slmjkdbtl/cargo-app" "work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slmjkdbtl/cargo-app" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/cargo-app"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/cargo-app'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d89e53e8881c18293950d8f061b5c50fde451c0
[INFO] sha for GitHub repo slmjkdbtl/cargo-app: 6d89e53e8881c18293950d8f061b5c50fde451c0
[INFO] validating manifest of slmjkdbtl/cargo-app on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slmjkdbtl/cargo-app on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slmjkdbtl/cargo-app
[INFO] finished frobbing slmjkdbtl/cargo-app
[INFO] frobbed toml for slmjkdbtl/cargo-app written to work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app/Cargo.toml
[INFO] started frobbing slmjkdbtl/cargo-app
[INFO] finished frobbing slmjkdbtl/cargo-app
[INFO] frobbed toml for slmjkdbtl/cargo-app written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/cargo-app/Cargo.toml
[INFO] crate slmjkdbtl/cargo-app already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slmjkdbtl/cargo-app against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b00bb96e0102fe5c028d402dce55d3838ff62a3bb3585b54fca78bdadaf80123
[INFO] running `"docker" "start" "-a" "b00bb96e0102fe5c028d402dce55d3838ff62a3bb3585b54fca78bdadaf80123"`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling packapp v0.1.3
[INFO] [stderr]    Compiling cargo-app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, AppSettings, Arg, SubCommand};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return fs::read_to_string(file).unwrap_or_else(|s| {
[INFO] [stderr]    |                                                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exists`
[INFO] [stderr]   --> src/utils.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn exists(path: &str) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_exist`
[INFO] [stderr]   --> src/utils.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn assert_exist(path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_ext`
[INFO] [stderr]   --> src/utils.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn assert_ext(path: &str, expected_ext: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mkdir`
[INFO] [stderr]   --> src/utils.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn mkdir(dir: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy`
[INFO] [stderr]   --> src/utils.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn copy(f1: &str, f2: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/utils.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.99s
[INFO] running `"docker" "inspect" "b00bb96e0102fe5c028d402dce55d3838ff62a3bb3585b54fca78bdadaf80123"`
[INFO] running `"docker" "rm" "-f" "b00bb96e0102fe5c028d402dce55d3838ff62a3bb3585b54fca78bdadaf80123"`
[INFO] [stdout] b00bb96e0102fe5c028d402dce55d3838ff62a3bb3585b54fca78bdadaf80123
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e68de5834a9c428bf6d22f8e241c9b9bc51c99313ed4703544edb4a5432fc061
[INFO] running `"docker" "start" "-a" "e68de5834a9c428bf6d22f8e241c9b9bc51c99313ed4703544edb4a5432fc061"`
[INFO] [stderr]    Compiling cargo-app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, AppSettings, Arg, SubCommand};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |     return fs::read_to_string(file).unwrap_or_else(|s| {
[INFO] [stderr]    |                                                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exists`
[INFO] [stderr]   --> src/utils.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn exists(path: &str) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_exist`
[INFO] [stderr]   --> src/utils.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn assert_exist(path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_ext`
[INFO] [stderr]   --> src/utils.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn assert_ext(path: &str, expected_ext: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mkdir`
[INFO] [stderr]   --> src/utils.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn mkdir(dir: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy`
[INFO] [stderr]   --> src/utils.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn copy(f1: &str, f2: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write`
[INFO] [stderr]   --> src/utils.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "e68de5834a9c428bf6d22f8e241c9b9bc51c99313ed4703544edb4a5432fc061"`
[INFO] running `"docker" "rm" "-f" "e68de5834a9c428bf6d22f8e241c9b9bc51c99313ed4703544edb4a5432fc061"`
[INFO] [stdout] e68de5834a9c428bf6d22f8e241c9b9bc51c99313ed4703544edb4a5432fc061
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/cargo-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 974e814da8783183c9f94a3c02787ff3764ce43bce0fc84931ebfede2536d1e1
[INFO] running `"docker" "start" "-a" "974e814da8783183c9f94a3c02787ff3764ce43bce0fc84931ebfede2536d1e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_app-6974baadf151d69b
[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 `"docker" "inspect" "974e814da8783183c9f94a3c02787ff3764ce43bce0fc84931ebfede2536d1e1"`
[INFO] running `"docker" "rm" "-f" "974e814da8783183c9f94a3c02787ff3764ce43bce0fc84931ebfede2536d1e1"`
[INFO] [stdout] 974e814da8783183c9f94a3c02787ff3764ce43bce0fc84931ebfede2536d1e1