[INFO] cloning repository https://github.com/edward-shen/dotfile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edward-shen/dotfile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedward-shen%2Fdotfile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedward-shen%2Fdotfile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6565b9c648bad5186496e817ae5a166348a9fdb9
[INFO] testing edward-shen/dotfile against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedward-shen%2Fdotfile" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edward-shen/dotfile on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/edward-shen/dotfile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6f05c09528a161069e11b29b965b2a13d8b7fd0b9808856a70184570e90c0e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6f05c09528a161069e11b29b965b2a13d8b7fd0b9808856a70184570e90c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6f05c09528a161069e11b29b965b2a13d8b7fd0b9808856a70184570e90c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f05c09528a161069e11b29b965b2a13d8b7fd0b9808856a70184570e90c0e6", kill_on_drop: false }`
[INFO] [stdout] a6f05c09528a161069e11b29b965b2a13d8b7fd0b9808856a70184570e90c0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd004ab2d60ad6ef7ffd9a81a3e4aeadd181436f227f9c123556a05f776e0e3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd004ab2d60ad6ef7ffd9a81a3e4aeadd181436f227f9c123556a05f776e0e3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling dotfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/subcommands/add.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/subcommands/add.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     for package in packages {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]   --> src/subcommands/add.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn verify_packages(helper: String, packages: &mut Vec<&str>) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/subcommands/add.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]   --> src/subcommands/add.rs:54:47
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packages`
[INFO] [stdout]   --> src/subcommands/add.rs:54:66
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "dd004ab2d60ad6ef7ffd9a81a3e4aeadd181436f227f9c123556a05f776e0e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd004ab2d60ad6ef7ffd9a81a3e4aeadd181436f227f9c123556a05f776e0e3f", kill_on_drop: false }`
[INFO] [stdout] dd004ab2d60ad6ef7ffd9a81a3e4aeadd181436f227f9c123556a05f776e0e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f781808b8c24449fef8abb2a63e3810f4c49c99cdf8f8d78669095b90751e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0f781808b8c24449fef8abb2a63e3810f4c49c99cdf8f8d78669095b90751e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/subcommands/add.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/subcommands/add.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     for package in packages {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]   --> src/subcommands/add.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn verify_packages(helper: String, packages: &mut Vec<&str>) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/subcommands/add.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]   --> src/subcommands/add.rs:54:47
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packages`
[INFO] [stdout]   --> src/subcommands/add.rs:54:66
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_packages(context: Option<LocalConfig>, groups: Vec<&str>, packages: Vec<&str>) {}
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "b0f781808b8c24449fef8abb2a63e3810f4c49c99cdf8f8d78669095b90751e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f781808b8c24449fef8abb2a63e3810f4c49c99cdf8f8d78669095b90751e0", kill_on_drop: false }`
[INFO] [stdout] b0f781808b8c24449fef8abb2a63e3810f4c49c99cdf8f8d78669095b90751e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9743792022ea70f4fa2c10737e4911a2c21e4fb5eaa0dc065f5639a2e3b3b3ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9743792022ea70f4fa2c10737e4911a2c21e4fb5eaa0dc065f5639a2e3b3b3ec", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_packages`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dotfile-453fdedac76767a1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9743792022ea70f4fa2c10737e4911a2c21e4fb5eaa0dc065f5639a2e3b3b3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9743792022ea70f4fa2c10737e4911a2c21e4fb5eaa0dc065f5639a2e3b3b3ec", kill_on_drop: false }`
[INFO] [stdout] 9743792022ea70f4fa2c10737e4911a2c21e4fb5eaa0dc065f5639a2e3b3b3ec