[INFO] updating cached repository saebs/cs50rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saebs/cs50rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saebs/cs50rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/saebs/cs50rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/saebs/cs50rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saebs/cs50rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff76e3b854b629608993a1d78013f4de60e431d8
[INFO] sha for GitHub repo saebs/cs50rs: ff76e3b854b629608993a1d78013f4de60e431d8
[INFO] validating manifest of saebs/cs50rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saebs/cs50rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing saebs/cs50rs
[INFO] finished frobbing saebs/cs50rs
[INFO] frobbed toml for saebs/cs50rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/saebs/cs50rs/Cargo.toml
[INFO] started frobbing saebs/cs50rs
[INFO] finished frobbing saebs/cs50rs
[INFO] frobbed toml for saebs/cs50rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs/Cargo.toml
[INFO] crate saebs/cs50rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing saebs/cs50rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 996453f80f32bf7ffb0ca60fd8869bb9389edb3b27c72578e6ba9a766acae870
[INFO] running `"docker" "start" "-a" "996453f80f32bf7ffb0ca60fd8869bb9389edb3b27c72578e6ba9a766acae870"`
[INFO] [stderr]    Compiling cs50rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/pset1_rust/credit.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |             ('5', '1'...'5', SXTN) =>  (M, {}, {}),  // Mastercard numbers are 16 digit, start with 51 to 55
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `gen_word` is never read
[INFO] [stderr]   --> src/pset2_crypto/crack.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | let mut gen_word = String::new();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `crypt`
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn crypt<'a>(key: *const u8, salt: *const u8) -> *const u8; 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     #[repr(C)]
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "996453f80f32bf7ffb0ca60fd8869bb9389edb3b27c72578e6ba9a766acae870"`
[INFO] running `"docker" "rm" "-f" "996453f80f32bf7ffb0ca60fd8869bb9389edb3b27c72578e6ba9a766acae870"`
[INFO] [stdout] 996453f80f32bf7ffb0ca60fd8869bb9389edb3b27c72578e6ba9a766acae870
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fdaa23d8f4b9c66aaed342af2c90f1816ca3cec824098894e3c099b4a8c28ad0
[INFO] running `"docker" "start" "-a" "fdaa23d8f4b9c66aaed342af2c90f1816ca3cec824098894e3c099b4a8c28ad0"`
[INFO] [stderr]    Compiling cs50rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/pset1_rust/credit.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |             ('5', '1'...'5', SXTN) =>  (M, {}, {}),  // Mastercard numbers are 16 digit, start with 51 to 55
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `gen_word` is never read
[INFO] [stderr]   --> src/pset2_crypto/crack.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | let mut gen_word = String::new();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `crypt`
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn crypt<'a>(key: *const u8, salt: *const u8) -> *const u8; 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/pset2_crypto/crack.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     #[repr(C)]
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "fdaa23d8f4b9c66aaed342af2c90f1816ca3cec824098894e3c099b4a8c28ad0"`
[INFO] running `"docker" "rm" "-f" "fdaa23d8f4b9c66aaed342af2c90f1816ca3cec824098894e3c099b4a8c28ad0"`
[INFO] [stdout] fdaa23d8f4b9c66aaed342af2c90f1816ca3cec824098894e3c099b4a8c28ad0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saebs/cs50rs:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 113090fa2134e65f85f9922e4277965d0365215b8529bc77a58fcf1ab8abd988
[INFO] running `"docker" "start" "-a" "113090fa2134e65f85f9922e4277965d0365215b8529bc77a58fcf1ab8abd988"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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]      Running /opt/crater/target/debug/deps/cs50rs-c52613d1dc9c2c84
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cs50rs-391a77047e4a5cd2
[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 cs50rs
[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" "113090fa2134e65f85f9922e4277965d0365215b8529bc77a58fcf1ab8abd988"`
[INFO] running `"docker" "rm" "-f" "113090fa2134e65f85f9922e4277965d0365215b8529bc77a58fcf1ab8abd988"`
[INFO] [stdout] 113090fa2134e65f85f9922e4277965d0365215b8529bc77a58fcf1ab8abd988