[INFO] updating cached repository uranusjr/pylauncher-posix
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/uranusjr/pylauncher-posix
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/uranusjr/pylauncher-posix" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/uranusjr/pylauncher-posix"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/uranusjr/pylauncher-posix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uranusjr/pylauncher-posix" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/uranusjr/pylauncher-posix"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/uranusjr/pylauncher-posix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4aba634c79478b42506f9da73ea6ba7461505fbb
[INFO] sha for GitHub repo uranusjr/pylauncher-posix: 4aba634c79478b42506f9da73ea6ba7461505fbb
[INFO] validating manifest of uranusjr/pylauncher-posix on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uranusjr/pylauncher-posix on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uranusjr/pylauncher-posix
[INFO] finished frobbing uranusjr/pylauncher-posix
[INFO] frobbed toml for uranusjr/pylauncher-posix written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/uranusjr/pylauncher-posix/Cargo.toml
[INFO] started frobbing uranusjr/pylauncher-posix
[INFO] finished frobbing uranusjr/pylauncher-posix
[INFO] frobbed toml for uranusjr/pylauncher-posix written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/uranusjr/pylauncher-posix/Cargo.toml
[INFO] crate uranusjr/pylauncher-posix already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uranusjr/pylauncher-posix against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/uranusjr/pylauncher-posix:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29d428759a1638e08aa13fb8654b62d9e34a284ba5daf8313603f934ef48f4d4
[INFO] running `"docker" "start" "-a" "29d428759a1638e08aa13fb8654b62d9e34a284ba5daf8313603f934ef48f4d4"`
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking pylauncher v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/specs.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let mut n = number;
[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/specs.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let mut n = number;
[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 2.77s
[INFO] running `"docker" "inspect" "29d428759a1638e08aa13fb8654b62d9e34a284ba5daf8313603f934ef48f4d4"`
[INFO] running `"docker" "rm" "-f" "29d428759a1638e08aa13fb8654b62d9e34a284ba5daf8313603f934ef48f4d4"`
[INFO] [stdout] 29d428759a1638e08aa13fb8654b62d9e34a284ba5daf8313603f934ef48f4d4