[INFO] updating cached repository tigranmt/Diff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tigranmt/Diff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tigranmt/Diff" "work/ex/beta-1.38-1/sources/1.37.0/gh/tigranmt/Diff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tigranmt/Diff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tigranmt/Diff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tigranmt/Diff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tigranmt/Diff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c41faf6455ec5b788adfe341c98cec00d9cf2712
[INFO] sha for GitHub repo tigranmt/Diff: c41faf6455ec5b788adfe341c98cec00d9cf2712
[INFO] validating manifest of tigranmt/Diff 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 tigranmt/Diff 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 tigranmt/Diff
[INFO] finished frobbing tigranmt/Diff
[INFO] frobbed toml for tigranmt/Diff written to work/ex/beta-1.38-1/sources/1.37.0/gh/tigranmt/Diff/Cargo.toml
[INFO] started frobbing tigranmt/Diff
[INFO] finished frobbing tigranmt/Diff
[INFO] frobbed toml for tigranmt/Diff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tigranmt/Diff/Cargo.toml
[INFO] crate tigranmt/Diff 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 tigranmt/Diff 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-1/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/tigranmt/Diff:/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] 260a3221335d929cfde1c5caf4bceda2b9c8cea39b2ac5574208052c5e687da0
[INFO] running `"docker" "start" "-a" "260a3221335d929cfde1c5caf4bceda2b9c8cea39b2ac5574208052c5e687da0"`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     writer : Box<std::io::Write>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/diff/presenter.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "260a3221335d929cfde1c5caf4bceda2b9c8cea39b2ac5574208052c5e687da0"`
[INFO] running `"docker" "rm" "-f" "260a3221335d929cfde1c5caf4bceda2b9c8cea39b2ac5574208052c5e687da0"`
[INFO] [stdout] 260a3221335d929cfde1c5caf4bceda2b9c8cea39b2ac5574208052c5e687da0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/tigranmt/Diff:/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] 25e41feef7b1a467d62c7cd7e3c23fd473bda26a319bfc2c59140e297e1a7ae0
[INFO] running `"docker" "start" "-a" "25e41feef7b1a467d62c7cd7e3c23fd473bda26a319bfc2c59140e297e1a7ae0"`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     writer : Box<std::io::Write>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/diff/presenter.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "25e41feef7b1a467d62c7cd7e3c23fd473bda26a319bfc2c59140e297e1a7ae0"`
[INFO] running `"docker" "rm" "-f" "25e41feef7b1a467d62c7cd7e3c23fd473bda26a319bfc2c59140e297e1a7ae0"`
[INFO] [stdout] 25e41feef7b1a467d62c7cd7e3c23fd473bda26a319bfc2c59140e297e1a7ae0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/tigranmt/Diff:/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] 15d403dbacbdf181173ecbf2b6133b64e110f88077ab17c9a77edba7d4f890b7
[INFO] running `"docker" "start" "-a" "15d403dbacbdf181173ecbf2b6133b64e110f88077ab17c9a77edba7d4f890b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diff-c0c8e082565abf5a
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test diff::difflib::tests::remove_ch ... ok
[INFO] [stdout] test diff::difflib::tests::add_character ... ok
[INFO] [stdout] test diff::difflib::tests::swap_characters ... ok
[INFO] [stdout] test diff::difflib::tests::remove_to_empty ... ok
[INFO] [stdout] test diff::difflib::tests::remove_multiple_characters ... ok
[INFO] [stdout] test diff::difflib::tests::empty_strings ... ok
[INFO] [stdout] test diff::difflib::tests::add_to_empty ... ok
[INFO] [stdout] test diff::difflib::tests::equal_strings ... ok
[INFO] [stdout] test diff::difflib::tests::swap_first_characters ... ok
[INFO] [stdout] test diff::difflib::tests::update_arm ... ok
[INFO] [stdout] test diff::difflib::tests::update_add ... ok
[INFO] [stdout] test diff::difflib::tests::update_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15d403dbacbdf181173ecbf2b6133b64e110f88077ab17c9a77edba7d4f890b7"`
[INFO] running `"docker" "rm" "-f" "15d403dbacbdf181173ecbf2b6133b64e110f88077ab17c9a77edba7d4f890b7"`
[INFO] [stdout] 15d403dbacbdf181173ecbf2b6133b64e110f88077ab17c9a77edba7d4f890b7