[INFO] crate gitclass 0.8.0 is already in cache
[INFO] extracting crate gitclass 0.8.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/gitclass/0.8.0
[INFO] extracting crate gitclass 0.8.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/gitclass/0.8.0
[INFO] validating manifest of gitclass-0.8.0 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 gitclass-0.8.0 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 gitclass-0.8.0
[INFO] finished frobbing gitclass-0.8.0
[INFO] frobbed toml for gitclass-0.8.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/gitclass/0.8.0/Cargo.toml
[INFO] started frobbing gitclass-0.8.0
[INFO] finished frobbing gitclass-0.8.0
[INFO] frobbed toml for gitclass-0.8.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/gitclass/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gitclass-0.8.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/gitclass/0.8.0:/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] 7f6f376fb33d51eda595a44ab43135ce3b628b9b3ec48a2f42b632d01155f6bc
[INFO] running `"docker" "start" "-a" "7f6f376fb33d51eda595a44ab43135ce3b628b9b3ec48a2f42b632d01155f6bc"`
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking json v0.11.14
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking gitclass v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latest_obj`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_latest_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latest_obj`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_latest_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         set_current_dir(name);
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     repo.reset(&remote_obj,
[INFO] [stderr] 202 | |     git2::ResetType::Hard,
[INFO] [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
[INFO] [stderr] 204 | |         .force()
[INFO] [stderr] 205 | |         .remove_untracked(true)
[INFO] [stderr] 206 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         set_current_dir(name);
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     repo.reset(&remote_obj,
[INFO] [stderr] 202 | |     git2::ResetType::Hard,
[INFO] [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
[INFO] [stderr] 204 | |         .force()
[INFO] [stderr] 205 | |         .remove_untracked(true)
[INFO] [stderr] 206 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_m`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_init_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_m`
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_add_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up_m`
[INFO] [stderr]   --> src/main.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_up_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_m`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_init_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_m`
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_add_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up_m`
[INFO] [stderr]   --> src/main.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_up_m`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.47s
[INFO] running `"docker" "inspect" "7f6f376fb33d51eda595a44ab43135ce3b628b9b3ec48a2f42b632d01155f6bc"`
[INFO] running `"docker" "rm" "-f" "7f6f376fb33d51eda595a44ab43135ce3b628b9b3ec48a2f42b632d01155f6bc"`
[INFO] [stdout] 7f6f376fb33d51eda595a44ab43135ce3b628b9b3ec48a2f42b632d01155f6bc