[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/beta-1.38-1/sources/1.37.0/gh/AgustinCB/rustedpond"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AgustinCB/rustedpond'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AgustinCB/rustedpond" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AgustinCB/rustedpond"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AgustinCB/rustedpond on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AgustinCB/rustedpond against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3615beb07dd32b8981e43b6ca2114c5493652c2a6bf693a8c8d968aa2efc2338
[INFO] running `"docker" "start" "-a" "3615beb07dd32b8981e43b6ca2114c5493652c2a6bf693a8c8d968aa2efc2338"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "3615beb07dd32b8981e43b6ca2114c5493652c2a6bf693a8c8d968aa2efc2338"`
[INFO] running `"docker" "rm" "-f" "3615beb07dd32b8981e43b6ca2114c5493652c2a6bf693a8c8d968aa2efc2338"`
[INFO] [stdout] 3615beb07dd32b8981e43b6ca2114c5493652c2a6bf693a8c8d968aa2efc2338
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0da5ef635c3d59f303d1648cb0545b8f4902448f83912b5d19f3369503af069f
[INFO] running `"docker" "start" "-a" "0da5ef635c3d59f303d1648cb0545b8f4902448f83912b5d19f3369503af069f"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "0da5ef635c3d59f303d1648cb0545b8f4902448f83912b5d19f3369503af069f"`
[INFO] running `"docker" "rm" "-f" "0da5ef635c3d59f303d1648cb0545b8f4902448f83912b5d19f3369503af069f"`
[INFO] [stdout] 0da5ef635c3d59f303d1648cb0545b8f4902448f83912b5d19f3369503af069f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 45e1c40aba8cf1a6c4a45d567a3721f6c8303801fb96254e530b6f13e94bcf1d
[INFO] running `"docker" "start" "-a" "45e1c40aba8cf1a6c4a45d567a3721f6c8303801fb96254e530b6f13e94bcf1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustedpond-1dfefe5346ddcf94
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustedpond-6da768ace869e547
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustedpond
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "45e1c40aba8cf1a6c4a45d567a3721f6c8303801fb96254e530b6f13e94bcf1d"`
[INFO] running `"docker" "rm" "-f" "45e1c40aba8cf1a6c4a45d567a3721f6c8303801fb96254e530b6f13e94bcf1d"`
[INFO] [stdout] 45e1c40aba8cf1a6c4a45d567a3721f6c8303801fb96254e530b6f13e94bcf1d