[INFO] fetching crate cargo-app 0.1.0...
[INFO] checking cargo-app-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate cargo-app 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-app 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-app 0.1.0
[INFO] finished tweaking crates.io crate cargo-app 0.1.0
[INFO] tweaked toml for crates.io crate cargo-app 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packapp v0.1.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b65a365f725c19e25a725fe7d0ed71b7ab36b893ec1b0aa878b22888620b957
[INFO] running `"docker" "start" "-a" "6b65a365f725c19e25a725fe7d0ed71b7ab36b893ec1b0aa878b22888620b957"`
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking packapp v0.1.3
[INFO] [stderr]     Checking cargo-app v0.1.0 (/opt/rustwide/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: 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: 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 9.05s
[INFO] running `"docker" "inspect" "6b65a365f725c19e25a725fe7d0ed71b7ab36b893ec1b0aa878b22888620b957"`
[INFO] running `"docker" "rm" "-f" "6b65a365f725c19e25a725fe7d0ed71b7ab36b893ec1b0aa878b22888620b957"`
[INFO] [stdout] 6b65a365f725c19e25a725fe7d0ed71b7ab36b893ec1b0aa878b22888620b957