[INFO] updating cached repository tensor-programming/rust_git_live_stream
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tensor-programming/rust_git_live_stream
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tensor-programming/rust_git_live_stream" "work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tensor-programming/rust_git_live_stream" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tensor-programming/rust_git_live_stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tensor-programming/rust_git_live_stream'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce21a0db9e2fbf94ff0a34d67e48526b5b8d5bf7
[INFO] sha for GitHub repo tensor-programming/rust_git_live_stream: ce21a0db9e2fbf94ff0a34d67e48526b5b8d5bf7
[INFO] validating manifest of tensor-programming/rust_git_live_stream on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tensor-programming/rust_git_live_stream on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tensor-programming/rust_git_live_stream
[INFO] finished frobbing tensor-programming/rust_git_live_stream
[INFO] frobbed toml for tensor-programming/rust_git_live_stream written to work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream/Cargo.toml
[INFO] started frobbing tensor-programming/rust_git_live_stream
[INFO] finished frobbing tensor-programming/rust_git_live_stream
[INFO] frobbed toml for tensor-programming/rust_git_live_stream written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tensor-programming/rust_git_live_stream/Cargo.toml
[INFO] crate tensor-programming/rust_git_live_stream already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tensor-programming/rust_git_live_stream against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 64435c0a94a213dc20a3ab06af8df4ea9aaa65147a0c3d6a93bd025e74a80450
[INFO] running `"docker" "start" "-a" "64435c0a94a213dc20a3ab06af8df4ea9aaa65147a0c3d6a93bd025e74a80450"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tgit v0.1.0 (/opt/crater/workdir)
[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: 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: 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: 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 15.87s
[INFO] running `"docker" "inspect" "64435c0a94a213dc20a3ab06af8df4ea9aaa65147a0c3d6a93bd025e74a80450"`
[INFO] running `"docker" "rm" "-f" "64435c0a94a213dc20a3ab06af8df4ea9aaa65147a0c3d6a93bd025e74a80450"`
[INFO] [stdout] 64435c0a94a213dc20a3ab06af8df4ea9aaa65147a0c3d6a93bd025e74a80450
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2db35fd7b60227b265850b2d75e74455a1d57c26172f64261d3dfe4f6e686c9b
[INFO] running `"docker" "start" "-a" "2db35fd7b60227b265850b2d75e74455a1d57c26172f64261d3dfe4f6e686c9b"`
[INFO] [stderr]    Compiling tgit v0.1.0 (/opt/crater/workdir)
[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: 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: 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: 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 2.19s
[INFO] running `"docker" "inspect" "2db35fd7b60227b265850b2d75e74455a1d57c26172f64261d3dfe4f6e686c9b"`
[INFO] running `"docker" "rm" "-f" "2db35fd7b60227b265850b2d75e74455a1d57c26172f64261d3dfe4f6e686c9b"`
[INFO] [stdout] 2db35fd7b60227b265850b2d75e74455a1d57c26172f64261d3dfe4f6e686c9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tensor-programming/rust_git_live_stream:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0fc3e4667d15d22c5f3d4f3d82f33ab48afaa17f3de6f0b6be3e12f9341ff39d
[INFO] running `"docker" "start" "-a" "0fc3e4667d15d22c5f3d4f3d82f33ab48afaa17f3de6f0b6be3e12f9341ff39d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tgit-e05740390f849234
[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 `"docker" "inspect" "0fc3e4667d15d22c5f3d4f3d82f33ab48afaa17f3de6f0b6be3e12f9341ff39d"`
[INFO] running `"docker" "rm" "-f" "0fc3e4667d15d22c5f3d4f3d82f33ab48afaa17f3de6f0b6be3e12f9341ff39d"`
[INFO] [stdout] 0fc3e4667d15d22c5f3d4f3d82f33ab48afaa17f3de6f0b6be3e12f9341ff39d