[INFO] cloning repository https://github.com/Sawska/git_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sawska/git_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawska%2Fgit_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawska%2Fgit_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 871b997dcd3ce6c2d8f830d6d09a33570d39d816
[INFO] checking Sawska/git_rs against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSawska%2Fgit_rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sawska/git_rs on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sawska/git_rs
[INFO] finished tweaking git repo https://github.com/Sawska/git_rs
[INFO] tweaked toml for git repo https://github.com/Sawska/git_rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8d7e0adbd208a9b38efa7d62c62467d2994a36fdfaffed659dae495085b2d3
[INFO] running `Command { std: "docker" "start" "-a" "ae8d7e0adbd208a9b38efa7d62c62467d2994a36fdfaffed659dae495085b2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8d7e0adbd208a9b38efa7d62c62467d2994a36fdfaffed659dae495085b2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8d7e0adbd208a9b38efa7d62c62467d2994a36fdfaffed659dae495085b2d3", kill_on_drop: false }`
[INFO] [stdout] ae8d7e0adbd208a9b38efa7d62c62467d2994a36fdfaffed659dae495085b2d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ded0b90010f1160a46c51134e78a0cf48466de8b757853444dbf2b8627b0c311
[INFO] running `Command { std: "docker" "start" "-a" "ded0b90010f1160a46c51134e78a0cf48466de8b757853444dbf2b8627b0c311", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking git_worker v0.1.0 (/opt/rustwide/workdir/git_worker)
[INFO] [stdout] warning: unused variable: `hashed_line`
[INFO] [stdout]    --> git_worker/src/lib.rs:267:51
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         IndexCheckResult::InIndex(hashed_line) => {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashed_line`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries`
[INFO] [stdout]    --> git_worker/src/lib.rs:696:51
[INFO] [stdout]     |
[INFO] [stdout] 696 |                     if let Some(TreeEntry::Tree { entries, .. }) = subdirectory_entry {
[INFO] [stdout]     |                                                   ^^^^^^^ help: try ignoring the field: `entries: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rebuild_tree` is never used
[INFO] [stdout]    --> git_worker/src/lib.rs:661:4
[INFO] [stdout]     |
[INFO] [stdout] 661 | fn rebuild_tree(hash: String) -> io::Result<Option<TreeEntry>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_object` is never used
[INFO] [stdout]    --> git_worker/src/lib.rs:674:4
[INFO] [stdout]     |
[INFO] [stdout] 674 | fn read_object(hash: &str) -> io::Result<TreeEntry> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_same` is never used
[INFO] [stdout]    --> git_worker/src/lib.rs:773:4
[INFO] [stdout]     |
[INFO] [stdout] 773 | fn is_same(in_index:&str,original:&str) -> Result<bool, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> git_worker/src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     update_head("main");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let _ = update_head("main");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> git_worker/src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fill_config();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = fill_config();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> git_worker/src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     create_branch_in_refs(branch_name,content);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let _ = create_branch_in_refs(branch_name,content);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> git_worker/src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     head_file.write_all(content.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = head_file.write_all(content.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> git_worker/src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fs::remove_file(path);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let _ = fs::remove_file(path);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> git_worker/src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 update_head(name);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let _ = update_head(name);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> git_worker/src/lib.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     refs.write_all(content.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let _ = refs.write_all(content.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> git_worker/src/lib.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     config_file.write_all(config_content.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let _ = config_file.write_all(config_content.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> git_worker/src/lib.rs:552:5
[INFO] [stdout]     |
[INFO] [stdout] 552 |     branch.write_all(commit_hash.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 552 |     let _ = branch.write_all(commit_hash.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking command_parser v0.1.0 (/opt/rustwide/workdir/command_parser)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> command_parser/src/lib.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ops::Deref, env};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_hash`
[INFO] [stdout]    --> command_parser/src/lib.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Command::Diff { first_hash } => todo!(),
[INFO] [stdout]     |                         ^^^^^^^^^^ help: try ignoring the field: `first_hash: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> command_parser/src/lib.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 | /             match target_path {
[INFO] [stdout] 132 | |                 Some(p) => add_all(p.to_str().unwrap()), 
[INFO] [stdout] 133 | |                 None => add_all("."),
[INFO] [stdout] 134 | |             };
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let _ = match target_path {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&str` instead of dereferencing the inner type
[INFO] [stdout]    --> command_parser/src/lib.rs:143:29
[INFO] [stdout]     |
[INFO] [stdout] 143 |             if message != "".deref() {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust_git v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ded0b90010f1160a46c51134e78a0cf48466de8b757853444dbf2b8627b0c311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded0b90010f1160a46c51134e78a0cf48466de8b757853444dbf2b8627b0c311", kill_on_drop: false }`
[INFO] [stdout] ded0b90010f1160a46c51134e78a0cf48466de8b757853444dbf2b8627b0c311