[INFO] updating cached repository sssilver/chest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sssilver/chest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sssilver/chest" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/sssilver/chest"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/sssilver/chest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sssilver/chest" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/sssilver/chest"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/sssilver/chest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb7bf937571a76ed47f18f6c5e5b9f7de5900f22
[INFO] sha for GitHub repo sssilver/chest: cb7bf937571a76ed47f18f6c5e5b9f7de5900f22
[INFO] validating manifest of sssilver/chest on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sssilver/chest on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sssilver/chest
[INFO] finished frobbing sssilver/chest
[INFO] frobbed toml for sssilver/chest written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/sssilver/chest/Cargo.toml
[INFO] started frobbing sssilver/chest
[INFO] finished frobbing sssilver/chest
[INFO] frobbed toml for sssilver/chest written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/sssilver/chest/Cargo.toml
[INFO] crate sssilver/chest already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sssilver/chest against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-5/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/sssilver/chest:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f0adc30f36c239cf3e49f106bfb21ba281dea6aecac6a5d3dc2504f64c7e9234
[INFO] running `"docker" "start" "-a" "f0adc30f36c239cf3e49f106bfb21ba281dea6aecac6a5d3dc2504f64c7e9234"`
[INFO] [stderr]     Checking chest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/args.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/args.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/error.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |             ChestError::Generic(ref message) => None,
[INFO] [stderr]    |                                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/command/create.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Err(err) => return Err(Box::new(ChestError::Generic("Error with the filesystem".to_string())))
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/add.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/add.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/update.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/update.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/remove.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/remove.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/error.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |             ChestError::Generic(ref message) => None,
[INFO] [stderr]    |                                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/command/create.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Err(err) => return Err(Box::new(ChestError::Generic("Error with the filesystem".to_string())))
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/add.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/add.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/update.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/update.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/remove.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/remove.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Err`
[INFO] [stderr]   --> src/command/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Err = String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Err`
[INFO] [stderr]   --> src/command/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Err = String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f0adc30f36c239cf3e49f106bfb21ba281dea6aecac6a5d3dc2504f64c7e9234"`
[INFO] running `"docker" "rm" "-f" "f0adc30f36c239cf3e49f106bfb21ba281dea6aecac6a5d3dc2504f64c7e9234"`
[INFO] [stdout] f0adc30f36c239cf3e49f106bfb21ba281dea6aecac6a5d3dc2504f64c7e9234