[INFO] updating cached repository AgustinCB/rustedpond
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AgustinCB/rustedpond
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AgustinCB/rustedpond" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AgustinCB/rustedpond"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AgustinCB/rustedpond'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AgustinCB/rustedpond" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AgustinCB/rustedpond"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AgustinCB/rustedpond'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2bdd36825b61fd611a58a5e28a7f5cb4f82cbda0
[INFO] sha for GitHub repo AgustinCB/rustedpond: 2bdd36825b61fd611a58a5e28a7f5cb4f82cbda0
[INFO] validating manifest of AgustinCB/rustedpond on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AgustinCB/rustedpond on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AgustinCB/rustedpond
[INFO] finished frobbing AgustinCB/rustedpond
[INFO] frobbed toml for AgustinCB/rustedpond written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AgustinCB/rustedpond/Cargo.toml
[INFO] started frobbing AgustinCB/rustedpond
[INFO] finished frobbing AgustinCB/rustedpond
[INFO] frobbed toml for AgustinCB/rustedpond written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AgustinCB/rustedpond/Cargo.toml
[INFO] crate AgustinCB/rustedpond already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AgustinCB/rustedpond against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AgustinCB/rustedpond:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be84f2ea92e115df153bb9b62bd42902d0fd94d617aed5bd5ec948c56073d490
[INFO] running `"docker" "start" "-a" "be84f2ea92e115df153bb9b62bd42902d0fd94d617aed5bd5ec948c56073d490"`
[INFO] [stderr]     Checking rustedpond v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/cell_vm.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 if let Some(mut input_pointer) = self.loop_stack.pop() {
[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/lib/genome.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut n = generator.generate_integer() as u8;
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/cell_vm.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 if let Some(mut input_pointer) = self.loop_stack.pop() {
[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/lib/genome.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut n = generator.generate_integer() as u8;
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "be84f2ea92e115df153bb9b62bd42902d0fd94d617aed5bd5ec948c56073d490"`
[INFO] running `"docker" "rm" "-f" "be84f2ea92e115df153bb9b62bd42902d0fd94d617aed5bd5ec948c56073d490"`
[INFO] [stdout] be84f2ea92e115df153bb9b62bd42902d0fd94d617aed5bd5ec948c56073d490