[INFO] cloning repository https://github.com/gmurayama/wallpaper-changer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmurayama/wallpaper-changer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmurayama%2Fwallpaper-changer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmurayama%2Fwallpaper-changer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43526a505620ba820d5f7480ab78cdcb98f8ae1b
[INFO] testing gmurayama/wallpaper-changer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmurayama%2Fwallpaper-changer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmurayama/wallpaper-changer 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/gmurayama/wallpaper-changer
[INFO] finished tweaking git repo https://github.com/gmurayama/wallpaper-changer
[INFO] tweaked toml for git repo https://github.com/gmurayama/wallpaper-changer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gmurayama/wallpaper-changer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 67f8d28ea9d1725c6b3c28854be64177e055ab9a26a3e5273e9ea909bad5bbd9
[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" "67f8d28ea9d1725c6b3c28854be64177e055ab9a26a3e5273e9ea909bad5bbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f8d28ea9d1725c6b3c28854be64177e055ab9a26a3e5273e9ea909bad5bbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f8d28ea9d1725c6b3c28854be64177e055ab9a26a3e5273e9ea909bad5bbd9", kill_on_drop: false }`
[INFO] [stdout] 67f8d28ea9d1725c6b3c28854be64177e055ab9a26a3e5273e9ea909bad5bbd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] aa5f84a37e862632d9c481f72a264943a417fb676bb5ff5910d0a24ec0f41a6c
[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" "aa5f84a37e862632d9c481f72a264943a417fb676bb5ff5910d0a24ec0f41a6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling encoding_rs v0.8.14
[INFO] [stderr]    Compiling enquote v1.0.3
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling h2 v0.1.15
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling tokio v0.1.14
[INFO] [stderr]    Compiling hyper v0.12.21
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling reqwest v0.9.8
[INFO] [stderr]    Compiling wallpaper v2.0.1
[INFO] [stderr]    Compiling wallpaper-changer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Opts::Add { path, time } => {
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Opts::Add { path, time } => {
[INFO] [stdout]    |                           ^^^^ help: try ignoring the field: `time: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "aa5f84a37e862632d9c481f72a264943a417fb676bb5ff5910d0a24ec0f41a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5f84a37e862632d9c481f72a264943a417fb676bb5ff5910d0a24ec0f41a6c", kill_on_drop: false }`
[INFO] [stdout] aa5f84a37e862632d9c481f72a264943a417fb676bb5ff5910d0a24ec0f41a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 55d200f58b4e1389e94464cba2c3d2a114a2135fd1a9232a0b6faf5f5a8009a0
[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" "55d200f58b4e1389e94464cba2c3d2a114a2135fd1a9232a0b6faf5f5a8009a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wallpaper-changer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Opts::Add { path, time } => {
[INFO] [stdout]    |                     ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         Opts::Add { path, time } => {
[INFO] [stdout]    |                           ^^^^ help: try ignoring the field: `time: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "55d200f58b4e1389e94464cba2c3d2a114a2135fd1a9232a0b6faf5f5a8009a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d200f58b4e1389e94464cba2c3d2a114a2135fd1a9232a0b6faf5f5a8009a0", kill_on_drop: false }`
[INFO] [stdout] 55d200f58b4e1389e94464cba2c3d2a114a2135fd1a9232a0b6faf5f5a8009a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 52dde0acfb82ac6ce3e7c43496d832fbb430d09a174e53aa1aa2f0162f06661d
[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" "52dde0acfb82ac6ce3e7c43496d832fbb430d09a174e53aa1aa2f0162f06661d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/main.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Opts::Add { path, time } => {
[INFO] [stderr]    |                     ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/main.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Opts::Add { path, time } => {
[INFO] [stderr]    |                           ^^^^ help: try ignoring the field: `time: _`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wallpaper_changer-192d8875f0f6ed34
[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" "52dde0acfb82ac6ce3e7c43496d832fbb430d09a174e53aa1aa2f0162f06661d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dde0acfb82ac6ce3e7c43496d832fbb430d09a174e53aa1aa2f0162f06661d", kill_on_drop: false }`
[INFO] [stdout] 52dde0acfb82ac6ce3e7c43496d832fbb430d09a174e53aa1aa2f0162f06661d