[INFO] updating cached repository jamestthompson3/promptly
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jamestthompson3/promptly
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jamestthompson3/promptly" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jamestthompson3/promptly"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jamestthompson3/promptly'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jamestthompson3/promptly" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jamestthompson3/promptly"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jamestthompson3/promptly'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7e85379e82251ccfe9a8b1ac2520ba6af2af37d
[INFO] sha for GitHub repo jamestthompson3/promptly: d7e85379e82251ccfe9a8b1ac2520ba6af2af37d
[INFO] validating manifest of jamestthompson3/promptly 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 jamestthompson3/promptly 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 jamestthompson3/promptly
[INFO] finished frobbing jamestthompson3/promptly
[INFO] frobbed toml for jamestthompson3/promptly written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jamestthompson3/promptly/Cargo.toml
[INFO] started frobbing jamestthompson3/promptly
[INFO] finished frobbing jamestthompson3/promptly
[INFO] frobbed toml for jamestthompson3/promptly written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jamestthompson3/promptly/Cargo.toml
[INFO] crate jamestthompson3/promptly 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 jamestthompson3/promptly 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/jamestthompson3/promptly:/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] 9aeed9b305a37c620adda5412a939cd7fcfa382a7a587d70f927036467dae1e0
[INFO] running `"docker" "start" "-a" "9aeed9b305a37c620adda5412a939cd7fcfa382a7a587d70f927036467dae1e0"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling curl-sys v0.4.19
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking libssh2-sys v0.2.11
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking promptly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vcs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut branch;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vcs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut branch;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.48s
[INFO] running `"docker" "inspect" "9aeed9b305a37c620adda5412a939cd7fcfa382a7a587d70f927036467dae1e0"`
[INFO] running `"docker" "rm" "-f" "9aeed9b305a37c620adda5412a939cd7fcfa382a7a587d70f927036467dae1e0"`
[INFO] [stdout] 9aeed9b305a37c620adda5412a939cd7fcfa382a7a587d70f927036467dae1e0