[INFO] updating cached repository slmjkdbtl/packapp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slmjkdbtl/packapp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slmjkdbtl/packapp" "work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slmjkdbtl/packapp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/packapp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/packapp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f8a4b7c7ef1fec5d95f94f5e97f948b8b38b58e
[INFO] sha for GitHub repo slmjkdbtl/packapp: 7f8a4b7c7ef1fec5d95f94f5e97f948b8b38b58e
[INFO] validating manifest of slmjkdbtl/packapp 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/packapp 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/packapp
[INFO] finished frobbing slmjkdbtl/packapp
[INFO] frobbed toml for slmjkdbtl/packapp written to work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp/Cargo.toml
[INFO] started frobbing slmjkdbtl/packapp
[INFO] finished frobbing slmjkdbtl/packapp
[INFO] frobbed toml for slmjkdbtl/packapp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slmjkdbtl/packapp/Cargo.toml
[INFO] crate slmjkdbtl/packapp 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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/packapp 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp:/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] a155e7ef485237e459eea87a328e978996daa0e7133f4cab012ae8950f24107e
[INFO] running `"docker" "start" "-a" "a155e7ef485237e459eea87a328e978996daa0e7133f4cab012ae8950f24107e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]    Compiling packapp v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/utils.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bundle.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:94:50
[INFO] [stderr]    |
[INFO] [stderr] 94 |     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: `write`
[INFO] [stderr]   --> src/utils.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn read(file: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     CFBundleName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleDisplayName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     CFBundleDisplayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_display_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIdentifier` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     CFBundleIdentifier: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleVersion` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     CFBundleVersion: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_version`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundlePackageType` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CFBundlePackageType: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_package_type`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleExecutable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     CFBundleExecutable: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_executable`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIconFile` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     CFBundleIconFile: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_icon_file`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `NSHighResolutionCapable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     NSHighResolutionCapable: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `nshigh_resolution_capable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bundle.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/utils.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:94:50
[INFO] [stderr]    |
[INFO] [stderr] 94 |     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: `write`
[INFO] [stderr]   --> src/utils.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn read(file: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     CFBundleName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleDisplayName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     CFBundleDisplayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_display_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIdentifier` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     CFBundleIdentifier: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleVersion` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     CFBundleVersion: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_version`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundlePackageType` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CFBundlePackageType: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_package_type`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleExecutable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     CFBundleExecutable: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_executable`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIconFile` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     CFBundleIconFile: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_icon_file`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `NSHighResolutionCapable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     NSHighResolutionCapable: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `nshigh_resolution_capable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.23s
[INFO] running `"docker" "inspect" "a155e7ef485237e459eea87a328e978996daa0e7133f4cab012ae8950f24107e"`
[INFO] running `"docker" "rm" "-f" "a155e7ef485237e459eea87a328e978996daa0e7133f4cab012ae8950f24107e"`
[INFO] [stdout] a155e7ef485237e459eea87a328e978996daa0e7133f4cab012ae8950f24107e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp:/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] 727ef259735f53dfea1e7b05d83bc8ab980d947fa1a88e6b2119cbe76709ea85
[INFO] running `"docker" "start" "-a" "727ef259735f53dfea1e7b05d83bc8ab980d947fa1a88e6b2119cbe76709ea85"`
[INFO] [stderr]    Compiling packapp v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bundle.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/utils.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:94:50
[INFO] [stderr]    |
[INFO] [stderr] 94 |     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: `write`
[INFO] [stderr]   --> src/utils.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn read(file: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     CFBundleName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleDisplayName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     CFBundleDisplayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_display_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIdentifier` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     CFBundleIdentifier: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleVersion` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     CFBundleVersion: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_version`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundlePackageType` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CFBundlePackageType: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_package_type`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleExecutable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     CFBundleExecutable: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_executable`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIconFile` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     CFBundleIconFile: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_icon_file`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `NSHighResolutionCapable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     NSHighResolutionCapable: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `nshigh_resolution_capable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/utils.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bundle.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/utils.rs:94:50
[INFO] [stderr]    |
[INFO] [stderr] 94 |     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: `write`
[INFO] [stderr]   --> src/utils.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn write(file: &str, content: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]   --> src/utils.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn read(file: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     CFBundleName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleDisplayName` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     CFBundleDisplayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_display_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIdentifier` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     CFBundleIdentifier: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleVersion` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     CFBundleVersion: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_version`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundlePackageType` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CFBundlePackageType: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_package_type`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleExecutable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     CFBundleExecutable: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_executable`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CFBundleIconFile` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     CFBundleIconFile: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `cfbundle_icon_file`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `NSHighResolutionCapable` should have a snake case name
[INFO] [stderr]   --> src/bundle.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     NSHighResolutionCapable: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `nshigh_resolution_capable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "727ef259735f53dfea1e7b05d83bc8ab980d947fa1a88e6b2119cbe76709ea85"`
[INFO] running `"docker" "rm" "-f" "727ef259735f53dfea1e7b05d83bc8ab980d947fa1a88e6b2119cbe76709ea85"`
[INFO] [stdout] 727ef259735f53dfea1e7b05d83bc8ab980d947fa1a88e6b2119cbe76709ea85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/slmjkdbtl/packapp:/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] a71699984952a4d2cf1689cd587c75292ab142717bac08be07976b75fd4c5513
[INFO] running `"docker" "start" "-a" "a71699984952a4d2cf1689cd587c75292ab142717bac08be07976b75fd4c5513"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/packapp-e0fa82deca613a17
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/packapp-bf2d359cf612e68a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests packapp
[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] [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" "a71699984952a4d2cf1689cd587c75292ab142717bac08be07976b75fd4c5513"`
[INFO] running `"docker" "rm" "-f" "a71699984952a4d2cf1689cd587c75292ab142717bac08be07976b75fd4c5513"`
[INFO] [stdout] a71699984952a4d2cf1689cd587c75292ab142717bac08be07976b75fd4c5513