[INFO] updating cached repository tomafro/flashlight
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomafro/flashlight
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomafro/flashlight" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/tomafro/flashlight"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/tomafro/flashlight'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomafro/flashlight" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/tomafro/flashlight"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/tomafro/flashlight'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7529d89eb9d97841151555e04a68763e7d1b0c0
[INFO] sha for GitHub repo tomafro/flashlight: e7529d89eb9d97841151555e04a68763e7d1b0c0
[INFO] validating manifest of tomafro/flashlight on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomafro/flashlight on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tomafro/flashlight
[INFO] finished frobbing tomafro/flashlight
[INFO] frobbed toml for tomafro/flashlight written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/tomafro/flashlight/Cargo.toml
[INFO] started frobbing tomafro/flashlight
[INFO] finished frobbing tomafro/flashlight
[INFO] frobbed toml for tomafro/flashlight written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/tomafro/flashlight/Cargo.toml
[INFO] crate tomafro/flashlight already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tomafro/flashlight against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-3/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/tomafro/flashlight:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a854cc6382fd7d6963f0fec068dad601b806c4a1ea4ae451faf8e529fd4cce70
[INFO] running `"docker" "start" "-a" "a854cc6382fd7d6963f0fec068dad601b806c4a1ea4ae451faf8e529fd4cce70"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]     Checking serde v1.0.34
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking isatty v0.1.6
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking indoc v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking flashlight v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reader.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub input: Box<BufRead>,
[INFO] [stderr]   |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reader.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub input: Box<BufRead>,
[INFO] [stderr]   |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]   --> src/parser/test.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             key;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(path_statements)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.99s
[INFO] running `"docker" "inspect" "a854cc6382fd7d6963f0fec068dad601b806c4a1ea4ae451faf8e529fd4cce70"`
[INFO] running `"docker" "rm" "-f" "a854cc6382fd7d6963f0fec068dad601b806c4a1ea4ae451faf8e529fd4cce70"`
[INFO] [stdout] a854cc6382fd7d6963f0fec068dad601b806c4a1ea4ae451faf8e529fd4cce70