[INFO] updating cached repository grffn/compiler_lab
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grffn/compiler_lab
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grffn/compiler_lab" "work/ex/beta-1.38-1/sources/1.37.0/gh/grffn/compiler_lab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/grffn/compiler_lab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grffn/compiler_lab" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grffn/compiler_lab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grffn/compiler_lab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9000cc47faa2b9021cff751b7a9dc471594dc3b0
[INFO] sha for GitHub repo grffn/compiler_lab: 9000cc47faa2b9021cff751b7a9dc471594dc3b0
[INFO] validating manifest of grffn/compiler_lab 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 grffn/compiler_lab 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 grffn/compiler_lab
[INFO] finished frobbing grffn/compiler_lab
[INFO] frobbed toml for grffn/compiler_lab written to work/ex/beta-1.38-1/sources/1.37.0/gh/grffn/compiler_lab/Cargo.toml
[INFO] started frobbing grffn/compiler_lab
[INFO] finished frobbing grffn/compiler_lab
[INFO] frobbed toml for grffn/compiler_lab written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grffn/compiler_lab/Cargo.toml
[INFO] crate grffn/compiler_lab 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grffn/compiler_lab/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 grffn/compiler_lab 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-3/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/grffn/compiler_lab:/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] 35a13ae8592267f392170ff22ea80df941a8f1ad3ed877ea5b50f404cf603ea8
[INFO] running `"docker" "start" "-a" "35a13ae8592267f392170ff22ea80df941a8f1ad3ed877ea5b50f404cf603ea8"`
[INFO] [stderr]    Compiling compilers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:162:22
[INFO] [stderr]     |
[INFO] [stderr] 162 |             '-' | '0'...'9' => self.lex_decimal(),
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "35a13ae8592267f392170ff22ea80df941a8f1ad3ed877ea5b50f404cf603ea8"`
[INFO] running `"docker" "rm" "-f" "35a13ae8592267f392170ff22ea80df941a8f1ad3ed877ea5b50f404cf603ea8"`
[INFO] [stdout] 35a13ae8592267f392170ff22ea80df941a8f1ad3ed877ea5b50f404cf603ea8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/grffn/compiler_lab:/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] 4835d785eab4bb233b43b62bada984b05c020d569eb8391f744c32d7f35ac403
[INFO] running `"docker" "start" "-a" "4835d785eab4bb233b43b62bada984b05c020d569eb8391f744c32d7f35ac403"`
[INFO] [stderr]    Compiling compilers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:162:22
[INFO] [stderr]     |
[INFO] [stderr] 162 |             '-' | '0'...'9' => self.lex_decimal(),
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "4835d785eab4bb233b43b62bada984b05c020d569eb8391f744c32d7f35ac403"`
[INFO] running `"docker" "rm" "-f" "4835d785eab4bb233b43b62bada984b05c020d569eb8391f744c32d7f35ac403"`
[INFO] [stdout] 4835d785eab4bb233b43b62bada984b05c020d569eb8391f744c32d7f35ac403
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/grffn/compiler_lab:/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] a14c3d3c6f3308fdba15f88404d7c06260f2ee8800aa6ef1b2863f027c142b96
[INFO] running `"docker" "start" "-a" "a14c3d3c6f3308fdba15f88404d7c06260f2ee8800aa6ef1b2863f027c142b96"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compilers-fc3d78e9663c9c38
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::tests::lex_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compilers-64a81235610860af
[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 compilers
[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" "a14c3d3c6f3308fdba15f88404d7c06260f2ee8800aa6ef1b2863f027c142b96"`
[INFO] running `"docker" "rm" "-f" "a14c3d3c6f3308fdba15f88404d7c06260f2ee8800aa6ef1b2863f027c142b96"`
[INFO] [stdout] a14c3d3c6f3308fdba15f88404d7c06260f2ee8800aa6ef1b2863f027c142b96