[INFO] cloning repository https://github.com/samuelkubai/lab_git_cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelkubai/lab_git_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkubai%2Flab_git_cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkubai%2Flab_git_cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb24490d60ac03be5556deeaabac035ced22f936
[INFO] testing samuelkubai/lab_git_cli against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelkubai%2Flab_git_cli" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samuelkubai/lab_git_cli on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samuelkubai/lab_git_cli
[INFO] finished tweaking git repo https://github.com/samuelkubai/lab_git_cli
[INFO] tweaked toml for git repo https://github.com/samuelkubai/lab_git_cli written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/samuelkubai/lab_git_cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31b214c09a3f716e2bd18997c8d3099a16441d1f0c98e7b39f7a605d87c674f2
[INFO] running `Command { std: "docker" "start" "-a" "31b214c09a3f716e2bd18997c8d3099a16441d1f0c98e7b39f7a605d87c674f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31b214c09a3f716e2bd18997c8d3099a16441d1f0c98e7b39f7a605d87c674f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b214c09a3f716e2bd18997c8d3099a16441d1f0c98e7b39f7a605d87c674f2", kill_on_drop: false }`
[INFO] [stdout] 31b214c09a3f716e2bd18997c8d3099a16441d1f0c98e7b39f7a605d87c674f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8fdfe7c76dfa220bae1482658bce36f5820662c11220185257105ca6d8699d9
[INFO] running `Command { std: "docker" "start" "-a" "d8fdfe7c76dfa220bae1482658bce36f5820662c11220185257105ca6d8699d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidCommit`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     InvalidCommit,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/index.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/types.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Tree {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add__all` should have a snake case name
[INFO] [stdout]  --> src/add.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn add__all(add_data: &Vec<&str>) -> Result<(), TgitError> {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `add_all`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/index.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             writeln!(&mut index, "{} {}", hash, path); // TODO: Why pass the index reference to the macro?
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "d8fdfe7c76dfa220bae1482658bce36f5820662c11220185257105ca6d8699d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fdfe7c76dfa220bae1482658bce36f5820662c11220185257105ca6d8699d9", kill_on_drop: false }`
[INFO] [stdout] d8fdfe7c76dfa220bae1482658bce36f5820662c11220185257105ca6d8699d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da242ab8e25d73b785d803d4dbbecc0b9226e3f66cc1db6c991751011bdc957
[INFO] running `Command { std: "docker" "start" "-a" "0da242ab8e25d73b785d803d4dbbecc0b9226e3f66cc1db6c991751011bdc957", kill_on_drop: false }`
[INFO] [stderr]    Compiling tgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidCommit`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     InvalidCommit,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/index.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Tree`
[INFO] [stdout]  --> src/types.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Tree {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add__all` should have a snake case name
[INFO] [stdout]  --> src/add.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn add__all(add_data: &Vec<&str>) -> Result<(), TgitError> {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `add_all`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/index.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             writeln!(&mut index, "{} {}", hash, path); // TODO: Why pass the index reference to the macro?
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "0da242ab8e25d73b785d803d4dbbecc0b9226e3f66cc1db6c991751011bdc957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da242ab8e25d73b785d803d4dbbecc0b9226e3f66cc1db6c991751011bdc957", kill_on_drop: false }`
[INFO] [stdout] 0da242ab8e25d73b785d803d4dbbecc0b9226e3f66cc1db6c991751011bdc957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82f881980cd6f04e0a202fffba5e7fb8735cb00a4c16192e0ae687f5b4194407
[INFO] running `Command { std: "docker" "start" "-a" "82f881980cd6f04e0a202fffba5e7fb8735cb00a4c16192e0ae687f5b4194407", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/error.rs:6:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 |     InvalidCommit,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]   --> src/index.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn print(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add__all` should have a snake case name
[INFO] [stderr]  --> src/add.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn add__all(add_data: &Vec<&str>) -> Result<(), TgitError> {
[INFO] [stderr]   |        ^^^^^^^^ help: convert the identifier to snake case: `add_all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/index.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             writeln!(&mut index, "{} {}", hash, path); // TODO: Why pass the index reference to the macro?
[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 the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tgit` (bin "tgit" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tgit-262d7a4e43daee59)
[INFO] running `Command { std: "docker" "inspect" "82f881980cd6f04e0a202fffba5e7fb8735cb00a4c16192e0ae687f5b4194407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f881980cd6f04e0a202fffba5e7fb8735cb00a4c16192e0ae687f5b4194407", kill_on_drop: false }`
[INFO] [stdout] 82f881980cd6f04e0a202fffba5e7fb8735cb00a4c16192e0ae687f5b4194407