[INFO] updating cached repository zacharyhamm/stupid_calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zacharyhamm/stupid_calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zacharyhamm/stupid_calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zacharyhamm/stupid_calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4248f4633b6a344639fa1684198efcafb6ba2ac5
[INFO] sha for GitHub repo zacharyhamm/stupid_calc: 4248f4633b6a344639fa1684198efcafb6ba2ac5
[INFO] validating manifest of zacharyhamm/stupid_calc 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 zacharyhamm/stupid_calc 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 zacharyhamm/stupid_calc
[INFO] finished frobbing zacharyhamm/stupid_calc
[INFO] frobbed toml for zacharyhamm/stupid_calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc/Cargo.toml
[INFO] started frobbing zacharyhamm/stupid_calc
[INFO] finished frobbing zacharyhamm/stupid_calc
[INFO] frobbed toml for zacharyhamm/stupid_calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zacharyhamm/stupid_calc/Cargo.toml
[INFO] crate zacharyhamm/stupid_calc 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 zacharyhamm/stupid_calc 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc:/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] 0d740f37a6d49c1df88a7da1e2758f6e9464aa1f4f94a70ac5a7e514d1e63d2e
[INFO] running `"docker" "start" "-a" "0d740f37a6d49c1df88a7da1e2758f6e9464aa1f4f94a70ac5a7e514d1e63d2e"`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:296:21
[INFO] [stderr]     |
[INFO] [stderr] 296 |     source: &'a mut BufRead,
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:302:32
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn new(source: &'a mut BufRead) -> Self {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:391:28
[INFO] [stderr]     |
[INFO] [stderr] 391 |                         '0'...'9' => {
[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: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             Ok(0.0) => {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(illegal_floating_point_literal_pattern)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             Ok(0.0) => {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "0d740f37a6d49c1df88a7da1e2758f6e9464aa1f4f94a70ac5a7e514d1e63d2e"`
[INFO] running `"docker" "rm" "-f" "0d740f37a6d49c1df88a7da1e2758f6e9464aa1f4f94a70ac5a7e514d1e63d2e"`
[INFO] [stdout] 0d740f37a6d49c1df88a7da1e2758f6e9464aa1f4f94a70ac5a7e514d1e63d2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc:/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] e3945df6a6f8834fca2891b02b5f748dc87dd0ec92a484f37153ccabe2f36d0b
[INFO] running `"docker" "start" "-a" "e3945df6a6f8834fca2891b02b5f748dc87dd0ec92a484f37153ccabe2f36d0b"`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:296:21
[INFO] [stderr]     |
[INFO] [stderr] 296 |     source: &'a mut BufRead,
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:302:32
[INFO] [stderr]     |
[INFO] [stderr] 302 |     pub fn new(source: &'a mut BufRead) -> Self {
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:391:28
[INFO] [stderr]     |
[INFO] [stderr] 391 |                         '0'...'9' => {
[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: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             Ok(0.0) => {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(illegal_floating_point_literal_pattern)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/main.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             Ok(0.0) => {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "e3945df6a6f8834fca2891b02b5f748dc87dd0ec92a484f37153ccabe2f36d0b"`
[INFO] running `"docker" "rm" "-f" "e3945df6a6f8834fca2891b02b5f748dc87dd0ec92a484f37153ccabe2f36d0b"`
[INFO] [stdout] e3945df6a6f8834fca2891b02b5f748dc87dd0ec92a484f37153ccabe2f36d0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zacharyhamm/stupid_calc:/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] 5f8c22e931af5c07f7150282c589cf25634f5c204f3b2f90ca529caccecdcfea
[INFO] running `"docker" "start" "-a" "5f8c22e931af5c07f7150282c589cf25634f5c204f3b2f90ca529caccecdcfea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calc-9aa0f74d2a505a45
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::error_tests ... ok
[INFO] [stdout] test test::string_reader_test ... ok
[INFO] [stdout] test test::tokenstream_tests ... ok
[INFO] [stdout] test test::factorial_tests ... ok
[INFO] [stdout] test test::calc_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5f8c22e931af5c07f7150282c589cf25634f5c204f3b2f90ca529caccecdcfea"`
[INFO] running `"docker" "rm" "-f" "5f8c22e931af5c07f7150282c589cf25634f5c204f3b2f90ca529caccecdcfea"`
[INFO] [stdout] 5f8c22e931af5c07f7150282c589cf25634f5c204f3b2f90ca529caccecdcfea