[INFO] updating cached repository webbrandon/mc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/webbrandon/mc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/webbrandon/mc" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/webbrandon/mc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/webbrandon/mc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/webbrandon/mc" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/webbrandon/mc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/webbrandon/mc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a77dbf321f3b5b59e84540aa6c4b746436982c3e
[INFO] sha for GitHub repo webbrandon/mc: a77dbf321f3b5b59e84540aa6c4b746436982c3e
[INFO] validating manifest of webbrandon/mc on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of webbrandon/mc on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing webbrandon/mc
[INFO] finished frobbing webbrandon/mc
[INFO] frobbed toml for webbrandon/mc written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/webbrandon/mc/Cargo.toml
[INFO] started frobbing webbrandon/mc
[INFO] finished frobbing webbrandon/mc
[INFO] frobbed toml for webbrandon/mc written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/webbrandon/mc/Cargo.toml
[INFO] crate webbrandon/mc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking webbrandon/mc against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/webbrandon/mc:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 54ae8fba59f3e60d8bad162819bcb6faf04ebcc71c335676e589aeb0c85c0b61
[INFO] running `"docker" "start" "-a" "54ae8fba59f3e60d8bad162819bcb6faf04ebcc71c335676e589aeb0c85c0b61"`
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking clicolors-control v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking run_script v0.2.5
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking console v0.7.1
[INFO] [stderr]     Checking dialoguer v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling mc v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/handler/repository/mod.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     env::set_current_dir(&git_dir).is_ok();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/handler/repository/mod.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     env::set_current_dir(&git_dir).is_ok();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/handler/repository/mod.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     env::set_current_dir(&git_dir).is_ok();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/handler/repository/mod.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     env::set_current_dir(&git_dir).is_ok();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `"docker" "inspect" "54ae8fba59f3e60d8bad162819bcb6faf04ebcc71c335676e589aeb0c85c0b61"`
[INFO] running `"docker" "rm" "-f" "54ae8fba59f3e60d8bad162819bcb6faf04ebcc71c335676e589aeb0c85c0b61"`
[INFO] [stdout] 54ae8fba59f3e60d8bad162819bcb6faf04ebcc71c335676e589aeb0c85c0b61