[INFO] updating cached repository unixpickle/brute-tree [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/unixpickle/brute-tree [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/unixpickle/brute-tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/unixpickle/brute-tree"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/unixpickle/brute-tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/unixpickle/brute-tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 98e6bb344decde3ccf141ef6b907a0c32ba485f9 [INFO] sha for GitHub repo unixpickle/brute-tree: 98e6bb344decde3ccf141ef6b907a0c32ba485f9 [INFO] validating manifest of unixpickle/brute-tree on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of unixpickle/brute-tree on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing unixpickle/brute-tree [INFO] finished frobbing unixpickle/brute-tree [INFO] frobbed toml for unixpickle/brute-tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/unixpickle/brute-tree/Cargo.toml [INFO] started frobbing unixpickle/brute-tree [INFO] finished frobbing unixpickle/brute-tree [INFO] frobbed toml for unixpickle/brute-tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree/Cargo.toml [INFO] crate unixpickle/brute-tree already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/unixpickle/brute-tree/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing unixpickle/brute-tree against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] b2473a471112e105206941e255f187e5550ec8ce6b0aade9367c08d2fba59adf [INFO] running `"docker" "start" "-a" "b2473a471112e105206941e255f187e5550ec8ce6b0aade9367c08d2fba59adf"` [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling brute-tree v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/evaluate.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut counts = &mut class_counts[path]; [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] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/main.rs:31:23 [INFO] [stderr] | [INFO] [stderr] 31 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.94s [INFO] running `"docker" "inspect" "b2473a471112e105206941e255f187e5550ec8ce6b0aade9367c08d2fba59adf"` [INFO] running `"docker" "rm" "-f" "b2473a471112e105206941e255f187e5550ec8ce6b0aade9367c08d2fba59adf"` [INFO] [stdout] b2473a471112e105206941e255f187e5550ec8ce6b0aade9367c08d2fba59adf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 009fce0b7d9a9213ffce872cc88fbdb1b19a0f27ea1ca7703037c4387556900e [INFO] running `"docker" "start" "-a" "009fce0b7d9a9213ffce872cc88fbdb1b19a0f27ea1ca7703037c4387556900e"` [INFO] [stderr] Compiling brute-tree v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/evaluate.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut counts = &mut class_counts[path]; [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] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/main.rs:31:23 [INFO] [stderr] | [INFO] [stderr] 31 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `"docker" "inspect" "009fce0b7d9a9213ffce872cc88fbdb1b19a0f27ea1ca7703037c4387556900e"` [INFO] running `"docker" "rm" "-f" "009fce0b7d9a9213ffce872cc88fbdb1b19a0f27ea1ca7703037c4387556900e"` [INFO] [stdout] 009fce0b7d9a9213ffce872cc88fbdb1b19a0f27ea1ca7703037c4387556900e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/unixpickle/brute-tree:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 048cbf0b221d4e465f20d0632005489edf2b5d2d6c3d1599f29b41ea942c9cbd [INFO] running `"docker" "start" "-a" "048cbf0b221d4e465f20d0632005489edf2b5d2d6c3d1599f29b41ea942c9cbd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/crater/target/debug/deps/brute_tree-5a0c03183a34b359 [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] Running /opt/crater/target/debug/deps/brute_tree_server-0b512ed9d1927f29 [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] Running /opt/crater/target/debug/deps/brute_tree_worker-5973de05f5213eaf [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 brute_tree [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" "048cbf0b221d4e465f20d0632005489edf2b5d2d6c3d1599f29b41ea942c9cbd"` [INFO] running `"docker" "rm" "-f" "048cbf0b221d4e465f20d0632005489edf2b5d2d6c3d1599f29b41ea942c9cbd"` [INFO] [stdout] 048cbf0b221d4e465f20d0632005489edf2b5d2d6c3d1599f29b41ea942c9cbd