[INFO] fetching crate dotfilesctl 0.1.0...
[INFO] checking dotfilesctl-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate dotfilesctl 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dotfilesctl 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotfilesctl 0.1.0
[INFO] finished tweaking crates.io crate dotfilesctl 0.1.0
[INFO] tweaked toml for crates.io crate dotfilesctl 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dc7b711cf9d331f53e8abfe49a91bd15d436a8f1aefa434b333273a00395e52
[INFO] running `Command { std: "docker" "start" "-a" "2dc7b711cf9d331f53e8abfe49a91bd15d436a8f1aefa434b333273a00395e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc7b711cf9d331f53e8abfe49a91bd15d436a8f1aefa434b333273a00395e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc7b711cf9d331f53e8abfe49a91bd15d436a8f1aefa434b333273a00395e52", kill_on_drop: false }`
[INFO] [stdout] 2dc7b711cf9d331f53e8abfe49a91bd15d436a8f1aefa434b333273a00395e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75f1f52744376021812fcdee9d8df837a803dc3f8d5393ba1058304a422a15c1
[INFO] running `Command { std: "docker" "start" "-a" "75f1f52744376021812fcdee9d8df837a803dc3f8d5393ba1058304a422a15c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking proptest v0.4.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotfilesctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/config.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |         match self.home.clone().or_else(env::home_dir) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/config.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |         match self.home.clone().or_else(env::home_dir) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `canonicalize_light`
[INFO] [stdout]   --> src/paths.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn canonicalize_light<P: AsRef<Path>>(path: P) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.29s
[INFO] running `Command { std: "docker" "inspect" "75f1f52744376021812fcdee9d8df837a803dc3f8d5393ba1058304a422a15c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f1f52744376021812fcdee9d8df837a803dc3f8d5393ba1058304a422a15c1", kill_on_drop: false }`
[INFO] [stdout] 75f1f52744376021812fcdee9d8df837a803dc3f8d5393ba1058304a422a15c1