[INFO] updating cached repository jeremy-miller/minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeremy-miller/minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeremy-miller/minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeremy-miller/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeremy-miller/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeremy-miller/minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremy-miller/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremy-miller/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9e78ce23fe3f6dd6e3a7117e86977508d5eb10d
[INFO] sha for GitHub repo jeremy-miller/minigrep: a9e78ce23fe3f6dd6e3a7117e86977508d5eb10d
[INFO] validating manifest of jeremy-miller/minigrep 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 jeremy-miller/minigrep 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 jeremy-miller/minigrep
[INFO] finished frobbing jeremy-miller/minigrep
[INFO] frobbed toml for jeremy-miller/minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeremy-miller/minigrep/Cargo.toml
[INFO] started frobbing jeremy-miller/minigrep
[INFO] finished frobbing jeremy-miller/minigrep
[INFO] frobbed toml for jeremy-miller/minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremy-miller/minigrep/Cargo.toml
[INFO] crate jeremy-miller/minigrep 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 jeremy-miller/minigrep 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-2/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/jeremy-miller/minigrep:/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] b43607a8ea14d76187c3f2d87ee006535eb8bdbfa522a36a3e4fee9235dfe320
[INFO] running `"docker" "start" "-a" "b43607a8ea14d76187c3f2d87ee006535eb8bdbfa522a36a3e4fee9235dfe320"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:46
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "b43607a8ea14d76187c3f2d87ee006535eb8bdbfa522a36a3e4fee9235dfe320"`
[INFO] running `"docker" "rm" "-f" "b43607a8ea14d76187c3f2d87ee006535eb8bdbfa522a36a3e4fee9235dfe320"`
[INFO] [stdout] b43607a8ea14d76187c3f2d87ee006535eb8bdbfa522a36a3e4fee9235dfe320
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jeremy-miller/minigrep:/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] bf001b964cb123adf780cd952431a88570b9d2d5a07d62c452b5241ec18c4dac
[INFO] running `"docker" "start" "-a" "bf001b964cb123adf780cd952431a88570b9d2d5a07d62c452b5241ec18c4dac"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:46
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "bf001b964cb123adf780cd952431a88570b9d2d5a07d62c452b5241ec18c4dac"`
[INFO] running `"docker" "rm" "-f" "bf001b964cb123adf780cd952431a88570b9d2d5a07d62c452b5241ec18c4dac"`
[INFO] [stdout] bf001b964cb123adf780cd952431a88570b9d2d5a07d62c452b5241ec18c4dac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jeremy-miller/minigrep:/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] d6842aebc18e5cc440a62c89e2b368f76f0b335b0c39da0e84a5825cfc06d58c
[INFO] running `"docker" "start" "-a" "d6842aebc18e5cc440a62c89e2b368f76f0b335b0c39da0e84a5825cfc06d58c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-71f1d2ea303b99d3
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-ff2cfaeab7bc6a0d
[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] [stdout] 
[INFO] [stderr]    Doc-tests minigrep
[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 2 tests
[INFO] [stdout] test src/lib.rs - search (line 120) ... ok
[INFO] [stdout] test src/lib.rs - search_case_insensitive (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d6842aebc18e5cc440a62c89e2b368f76f0b335b0c39da0e84a5825cfc06d58c"`
[INFO] running `"docker" "rm" "-f" "d6842aebc18e5cc440a62c89e2b368f76f0b335b0c39da0e84a5825cfc06d58c"`
[INFO] [stdout] d6842aebc18e5cc440a62c89e2b368f76f0b335b0c39da0e84a5825cfc06d58c