[INFO] updating cached repository iThinkyouknow/tensor-git
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iThinkyouknow/tensor-git
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iThinkyouknow/tensor-git" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iThinkyouknow/tensor-git"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iThinkyouknow/tensor-git'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iThinkyouknow/tensor-git" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iThinkyouknow/tensor-git"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iThinkyouknow/tensor-git'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cbcce808e874c72a15f13ce8c8dc4071baa8285
[INFO] sha for GitHub repo iThinkyouknow/tensor-git: 8cbcce808e874c72a15f13ce8c8dc4071baa8285
[INFO] validating manifest of iThinkyouknow/tensor-git on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iThinkyouknow/tensor-git on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iThinkyouknow/tensor-git
[INFO] finished frobbing iThinkyouknow/tensor-git
[INFO] frobbed toml for iThinkyouknow/tensor-git written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iThinkyouknow/tensor-git/Cargo.toml
[INFO] started frobbing iThinkyouknow/tensor-git
[INFO] finished frobbing iThinkyouknow/tensor-git
[INFO] frobbed toml for iThinkyouknow/tensor-git written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iThinkyouknow/tensor-git/Cargo.toml
[INFO] crate iThinkyouknow/tensor-git already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iThinkyouknow/tensor-git against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iThinkyouknow/tensor-git:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23b097ea5b3b4e1c117b11f0476d036fc1d82aa5351758256b717ddb9c58c15b
[INFO] running `"docker" "start" "-a" "23b097ea5b3b4e1c117b11f0476d036fc1d82aa5351758256b717ddb9c58c15b"`
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking tensor-git v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/file.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Ok(current_dir)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/file.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         Ok(current_dir)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stderr]  --> src/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     InvalidCommit,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/index.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             writeln!(&mut index, "{} {}", hash, path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stderr]  --> src/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     InvalidCommit,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/index.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             writeln!(&mut index, "{} {}", hash, path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `"docker" "inspect" "23b097ea5b3b4e1c117b11f0476d036fc1d82aa5351758256b717ddb9c58c15b"`
[INFO] running `"docker" "rm" "-f" "23b097ea5b3b4e1c117b11f0476d036fc1d82aa5351758256b717ddb9c58c15b"`
[INFO] [stdout] 23b097ea5b3b4e1c117b11f0476d036fc1d82aa5351758256b717ddb9c58c15b