[INFO] crate cargo-app 0.1.0 is already in cache
[INFO] extracting crate cargo-app 0.1.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cargo-app/0.1.0
[INFO] extracting crate cargo-app 0.1.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cargo-app/0.1.0
[INFO] validating manifest of cargo-app-0.1.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-app-0.1.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-app-0.1.0
[INFO] finished frobbing cargo-app-0.1.0
[INFO] frobbed toml for cargo-app-0.1.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cargo-app/0.1.0/Cargo.toml
[INFO] started frobbing cargo-app-0.1.0
[INFO] finished frobbing cargo-app-0.1.0
[INFO] frobbed toml for cargo-app-0.1.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cargo-app/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cargo-app-0.1.0 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cargo-app/0.1.0:/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=forbid" "-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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3e42912a8e4ea4691077d80026339c7636438cddd8b3e79c7123b1d7bc569c35
[INFO] running `"docker" "start" "-a" "3e42912a8e4ea4691077d80026339c7636438cddd8b3e79c7123b1d7bc569c35"`
[INFO] [stderr]     Checking plist v0.3.0
[INFO] [stderr]     Checking packapp v0.1.3
[INFO] [stderr]     Checking cargo-app v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/main.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{App, AppSettings, Arg, SubCommand};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/main.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{App, AppSettings, Arg, SubCommand};
[INFO] [stderr]   |                              ^^^
[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: 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] 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 8.39s
[INFO] running `"docker" "inspect" "3e42912a8e4ea4691077d80026339c7636438cddd8b3e79c7123b1d7bc569c35"`
[INFO] running `"docker" "rm" "-f" "3e42912a8e4ea4691077d80026339c7636438cddd8b3e79c7123b1d7bc569c35"`
[INFO] [stdout] 3e42912a8e4ea4691077d80026339c7636438cddd8b3e79c7123b1d7bc569c35