[INFO] updating cached repository edward-shen/dotfile
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/edward-shen/dotfile
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/edward-shen/dotfile" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/edward-shen/dotfile"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/edward-shen/dotfile'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/edward-shen/dotfile" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/edward-shen/dotfile"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/edward-shen/dotfile'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6565b9c648bad5186496e817ae5a166348a9fdb9
[INFO] sha for GitHub repo edward-shen/dotfile: 6565b9c648bad5186496e817ae5a166348a9fdb9
[INFO] validating manifest of edward-shen/dotfile on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of edward-shen/dotfile on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing edward-shen/dotfile
[INFO] finished frobbing edward-shen/dotfile
[INFO] frobbed toml for edward-shen/dotfile written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/edward-shen/dotfile/Cargo.toml
[INFO] started frobbing edward-shen/dotfile
[INFO] finished frobbing edward-shen/dotfile
[INFO] frobbed toml for edward-shen/dotfile written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/edward-shen/dotfile/Cargo.toml
[INFO] crate edward-shen/dotfile already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking edward-shen/dotfile against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-5/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/edward-shen/dotfile:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4979834c9e0092b9237acf6b7afb00db63d112a85dfbebadf526db4d5e4ac0b
[INFO] running `"docker" "start" "-a" "d4979834c9e0092b9237acf6b7afb00db63d112a85dfbebadf526db4d5e4ac0b"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand v0.6.4
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking serde v1.0.85
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking dotfile v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/subcommands/add.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/subcommands/add.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/subcommands/add.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for package in packages {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_package`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]   --> src/subcommands/add.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn verify_packages(helper: String, packages: &mut Vec<&str>) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/subcommands/add.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `groups`
[INFO] [stderr]   --> src/subcommands/add.rs:54:47
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_groups`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packages`
[INFO] [stderr]   --> src/subcommands/add.rs:54:66
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: consider prefixing with an underscore: `_packages`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/subcommands/add.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for package in packages {
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_package`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]   --> src/subcommands/add.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn verify_packages(helper: String, packages: &mut Vec<&str>) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/subcommands/add.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `groups`
[INFO] [stderr]   --> src/subcommands/add.rs:54:47
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                                               ^^^^^^ help: consider prefixing with an underscore: `_groups`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packages`
[INFO] [stderr]   --> src/subcommands/add.rs:54:66
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: consider prefixing with an underscore: `_packages`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.90s
[INFO] running `"docker" "inspect" "d4979834c9e0092b9237acf6b7afb00db63d112a85dfbebadf526db4d5e4ac0b"`
[INFO] running `"docker" "rm" "-f" "d4979834c9e0092b9237acf6b7afb00db63d112a85dfbebadf526db4d5e4ac0b"`
[INFO] [stdout] d4979834c9e0092b9237acf6b7afb00db63d112a85dfbebadf526db4d5e4ac0b