[INFO] updating cached repository ocean-os/ocn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ocean-os/ocn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ocean-os/ocn" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ocean-os/ocn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ocean-os/ocn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ocean-os/ocn" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ocean-os/ocn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ocean-os/ocn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2ffb108708e9d1aab8571191c45e9a75965db30
[INFO] sha for GitHub repo ocean-os/ocn: a2ffb108708e9d1aab8571191c45e9a75965db30
[INFO] validating manifest of ocean-os/ocn on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ocean-os/ocn on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ocean-os/ocn
[INFO] finished frobbing ocean-os/ocn
[INFO] frobbed toml for ocean-os/ocn written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ocean-os/ocn/Cargo.toml
[INFO] started frobbing ocean-os/ocn
[INFO] finished frobbing ocean-os/ocn
[INFO] frobbed toml for ocean-os/ocn written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ocean-os/ocn/Cargo.toml
[INFO] crate ocean-os/ocn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ocean-os/ocn against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ocean-os/ocn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5ac1136b18b7f7f261ff9bc26d01c16556c5173be519715c534100e6f70eebbe
[INFO] running `"docker" "start" "-a" "5ac1136b18b7f7f261ff9bc26d01c16556c5173be519715c534100e6f70eebbe"`
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling zstd-sys v1.4.10+zstd.1.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking zstd-safe v1.4.9+zstd.1.4.0
[INFO] [stderr]     Checking zstd v0.4.24+zstd.1.4.0
[INFO] [stderr]     Checking ocn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/install.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn download_remote(&self, path: &str, to: &str) {
[INFO] [stderr]    |                               ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/install.rs:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn download_remote(&self, path: &str, to: &str) {
[INFO] [stderr]    |                                           ^^ help: consider prefixing with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/update.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn update_remote_repo(&self, repo: &cfg::Repository) -> Result<(), Error> {
[INFO] [stderr]    |                                  ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/install.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn download_remote(&self, path: &str, to: &str) {
[INFO] [stderr]    |                               ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/install.rs:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn download_remote(&self, path: &str, to: &str) {
[INFO] [stderr]    |                                           ^^ help: consider prefixing with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/update.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn update_remote_repo(&self, repo: &cfg::Repository) -> Result<(), Error> {
[INFO] [stderr]    |                                  ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "5ac1136b18b7f7f261ff9bc26d01c16556c5173be519715c534100e6f70eebbe"`
[INFO] running `"docker" "rm" "-f" "5ac1136b18b7f7f261ff9bc26d01c16556c5173be519715c534100e6f70eebbe"`
[INFO] [stdout] 5ac1136b18b7f7f261ff9bc26d01c16556c5173be519715c534100e6f70eebbe