[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-1.38-1/sources/1.37.0/gh/saebs/cs50rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/saebs/cs50rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saebs/cs50rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/saebs/cs50rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saebs/cs50rs 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 saebs/cs50rs
[INFO] finished frobbing saebs/cs50rs
[INFO] frobbed toml for saebs/cs50rs written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 saebs/cs50rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 278fc7aa0ada0272998588ea112104b0e4ca0a3c99d7699f4bdca335b928ba3e
[INFO] running `"docker" "start" "-a" "278fc7aa0ada0272998588ea112104b0e4ca0a3c99d7699f4bdca335b928ba3e"`
[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 1.01s
[INFO] running `"docker" "inspect" "278fc7aa0ada0272998588ea112104b0e4ca0a3c99d7699f4bdca335b928ba3e"`
[INFO] running `"docker" "rm" "-f" "278fc7aa0ada0272998588ea112104b0e4ca0a3c99d7699f4bdca335b928ba3e"`
[INFO] [stdout] 278fc7aa0ada0272998588ea112104b0e4ca0a3c99d7699f4bdca335b928ba3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13de94e034df346cfe9e1c64bbe29066e157b3eac0330c91dddae5d13341a4be
[INFO] running `"docker" "start" "-a" "13de94e034df346cfe9e1c64bbe29066e157b3eac0330c91dddae5d13341a4be"`
[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 0.62s
[INFO] running `"docker" "inspect" "13de94e034df346cfe9e1c64bbe29066e157b3eac0330c91dddae5d13341a4be"`
[INFO] running `"docker" "rm" "-f" "13de94e034df346cfe9e1c64bbe29066e157b3eac0330c91dddae5d13341a4be"`
[INFO] [stdout] 13de94e034df346cfe9e1c64bbe29066e157b3eac0330c91dddae5d13341a4be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fc5650141f62c8165b08e2a22659a995f444424b46297ebddc6489c502f994a9
[INFO] running `"docker" "start" "-a" "fc5650141f62c8165b08e2a22659a995f444424b46297ebddc6489c502f994a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cs50rs-ce8cf22cdc4d6fbf
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cs50rs-6f0e3f20a6acd0c6
[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] [stderr]    Doc-tests cs50rs
[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] running `"docker" "inspect" "fc5650141f62c8165b08e2a22659a995f444424b46297ebddc6489c502f994a9"`
[INFO] running `"docker" "rm" "-f" "fc5650141f62c8165b08e2a22659a995f444424b46297ebddc6489c502f994a9"`
[INFO] [stdout] fc5650141f62c8165b08e2a22659a995f444424b46297ebddc6489c502f994a9