[INFO] updating cached repository BurntSushi/rucd [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/BurntSushi/rucd [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/BurntSushi/rucd" "work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BurntSushi/rucd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BurntSushi/rucd"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BurntSushi/rucd'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed9fa514ed44a8920a8cc336f35c1890b9161ee4 [INFO] sha for GitHub repo BurntSushi/rucd: ed9fa514ed44a8920a8cc336f35c1890b9161ee4 [INFO] validating manifest of BurntSushi/rucd 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 BurntSushi/rucd 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 BurntSushi/rucd [INFO] finished frobbing BurntSushi/rucd [INFO] frobbed toml for BurntSushi/rucd written to work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd/Cargo.toml [INFO] started frobbing BurntSushi/rucd [INFO] finished frobbing BurntSushi/rucd [INFO] frobbed toml for BurntSushi/rucd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BurntSushi/rucd/Cargo.toml [INFO] crate BurntSushi/rucd 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 BurntSushi/rucd 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd:/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] 033806b627b17c552ef52152d6cc8d7676b4e1dfbb1eb9a48c2a0c49d6c66815 [INFO] running `"docker" "start" "-a" "033806b627b17c552ef52152d6cc8d7676b4e1dfbb1eb9a48c2a0c49d6c66815"` [INFO] [stderr] Compiling regex v0.2.9 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling atty v0.2.8 [INFO] [stderr] Compiling tabwriter v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.5.3 [INFO] [stderr] Compiling fst v0.3.0 [INFO] [stderr] Compiling clap v2.31.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling rucd v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:35:32 [INFO] [stderr] | [INFO] [stderr] 35 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/name.rs:21:21 [INFO] [stderr] | [INFO] [stderr] 21 | let mut entry = map.entry(cp).or_insert(Names::default()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.00s [INFO] running `"docker" "inspect" "033806b627b17c552ef52152d6cc8d7676b4e1dfbb1eb9a48c2a0c49d6c66815"` [INFO] running `"docker" "rm" "-f" "033806b627b17c552ef52152d6cc8d7676b4e1dfbb1eb9a48c2a0c49d6c66815"` [INFO] [stdout] 033806b627b17c552ef52152d6cc8d7676b4e1dfbb1eb9a48c2a0c49d6c66815 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd:/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] 986f080fa31b1e314a8be66d3fc93341d61cd2c27063e67aefb3d3206e5b0448 [INFO] running `"docker" "start" "-a" "986f080fa31b1e314a8be66d3fc93341d61cd2c27063e67aefb3d3206e5b0448"` [INFO] [stderr] Compiling rucd v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:35:32 [INFO] [stderr] | [INFO] [stderr] 35 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/name.rs:21:21 [INFO] [stderr] | [INFO] [stderr] 21 | let mut entry = map.entry(cp).or_insert(Names::default()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `"docker" "inspect" "986f080fa31b1e314a8be66d3fc93341d61cd2c27063e67aefb3d3206e5b0448"` [INFO] running `"docker" "rm" "-f" "986f080fa31b1e314a8be66d3fc93341d61cd2c27063e67aefb3d3206e5b0448"` [INFO] [stdout] 986f080fa31b1e314a8be66d3fc93341d61cd2c27063e67aefb3d3206e5b0448 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BurntSushi/rucd:/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] e4f1cb763e2996c6378eccce0cc4aaaaa27575397807f137c4a479d76881c0e3 [INFO] running `"docker" "start" "-a" "e4f1cb763e2996c6378eccce0cc4aaaaa27575397807f137c4a479d76881c0e3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/rucd-cd97d1043618e3ab [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" "e4f1cb763e2996c6378eccce0cc4aaaaa27575397807f137c4a479d76881c0e3"` [INFO] running `"docker" "rm" "-f" "e4f1cb763e2996c6378eccce0cc4aaaaa27575397807f137c4a479d76881c0e3"` [INFO] [stdout] e4f1cb763e2996c6378eccce0cc4aaaaa27575397807f137c4a479d76881c0e3