[INFO] updating cached repository dotboris/alt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dotboris/alt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dotboris/alt" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dotboris/alt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dotboris/alt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dotboris/alt" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dotboris/alt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dotboris/alt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a199f2110928cfaac9bc3cda41a13cece6673fa
[INFO] sha for GitHub repo dotboris/alt: 9a199f2110928cfaac9bc3cda41a13cece6673fa
[INFO] validating manifest of dotboris/alt on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dotboris/alt on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dotboris/alt
[INFO] finished frobbing dotboris/alt
[INFO] frobbed toml for dotboris/alt written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dotboris/alt/Cargo.toml
[INFO] started frobbing dotboris/alt
[INFO] finished frobbing dotboris/alt
[INFO] frobbed toml for dotboris/alt written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dotboris/alt/Cargo.toml
[INFO] crate dotboris/alt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dotboris/alt against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dotboris/alt:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dbe283393b64f508db35d100aea55f8041e5bc5f95afa5bfbcf9fa369abc6f9a
[INFO] running `"docker" "start" "-a" "dbe283393b64f508db35d100aea55f8041e5bc5f95afa5bfbcf9fa369abc6f9a"`
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]    Compiling alt v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking serde v1.0.80
[INFO] [stderr]     Checking rand v0.6.4
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking dialoguer v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking assert_cmd v0.11.0
[INFO] [stderr] warning: static variable `env_mutex` should have an upper case name
[INFO] [stderr]   --> src/config.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |         static ref env_mutex: Mutex<()> = Mutex::new(());
[INFO] [stderr]    |                    ^^^^^^^^^ help: convert the identifier to upper case: `ENV_MUTEX`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.47s
[INFO] running `"docker" "inspect" "dbe283393b64f508db35d100aea55f8041e5bc5f95afa5bfbcf9fa369abc6f9a"`
[INFO] running `"docker" "rm" "-f" "dbe283393b64f508db35d100aea55f8041e5bc5f95afa5bfbcf9fa369abc6f9a"`
[INFO] [stdout] dbe283393b64f508db35d100aea55f8041e5bc5f95afa5bfbcf9fa369abc6f9a