[INFO] updating cached repository https://github.com/edward-shen/dotfile
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6565b9c648bad5186496e817ae5a166348a9fdb9
[INFO] checking edward-shen/dotfile against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedward-shen%2Fdotfile" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edward-shen/dotfile on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/edward-shen/dotfile
[INFO] finished tweaking git repo https://github.com/edward-shen/dotfile
[INFO] tweaked toml for git repo https://github.com/edward-shen/dotfile written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/edward-shen/dotfile already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 70b8726d4ce76f848798d76c4aeb8481b7271ca4fc65715ba3f71211e077294c
[INFO] running `"docker" "start" "-a" "70b8726d4ce76f848798d76c4aeb8481b7271ca4fc65715ba3f71211e077294c"`
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.6.4
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stderr]     Checking serde v1.0.85
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking dotfile v0.1.0 (/opt/rustwide/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 1m 05s
[INFO] running `"docker" "inspect" "70b8726d4ce76f848798d76c4aeb8481b7271ca4fc65715ba3f71211e077294c"`
[INFO] running `"docker" "rm" "-f" "70b8726d4ce76f848798d76c4aeb8481b7271ca4fc65715ba3f71211e077294c"`
[INFO] [stdout] 70b8726d4ce76f848798d76c4aeb8481b7271ca4fc65715ba3f71211e077294c