[INFO] updating cached repository BLKStone/learnrust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/BLKStone/learnrust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/BLKStone/learnrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/BLKStone/learnrust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BLKStone/learnrust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BLKStone/learnrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BLKStone/learnrust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BLKStone/learnrust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 15a5d0c7f477acac158603d71ea4b970a0fe76e1 [INFO] sha for GitHub repo BLKStone/learnrust: 15a5d0c7f477acac158603d71ea4b970a0fe76e1 [INFO] validating manifest of BLKStone/learnrust 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 BLKStone/learnrust 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 BLKStone/learnrust [INFO] finished frobbing BLKStone/learnrust [INFO] frobbed toml for BLKStone/learnrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/BLKStone/learnrust/Cargo.toml [INFO] started frobbing BLKStone/learnrust [INFO] finished frobbing BLKStone/learnrust [INFO] frobbed toml for BLKStone/learnrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BLKStone/learnrust/Cargo.toml [INFO] crate BLKStone/learnrust 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/BLKStone/learnrust/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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 BLKStone/learnrust 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-6/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/BLKStone/learnrust:/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] 1030e8a78542525e98048e2d8b9e9983c74cbcd0c8651677fcb413eb064a0376 [INFO] running `"docker" "start" "-a" "1030e8a78542525e98048e2d8b9e9983c74cbcd0c8651677fcb413eb064a0376"` [INFO] [stderr] Compiling linked-hash-map v0.0.9 [INFO] [stderr] Compiling separator v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling textnonce v0.4.1 [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling semver v0.5.1 [INFO] [stderr] Compiling bson v0.3.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling scan_fmt v0.1.3 [INFO] [stderr] Compiling mongodb v0.1.8 [INFO] [stderr] Compiling lsh_test v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `bson::Bson` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use bson::Bson; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Client`, `ThreadedClient` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use mongodb::{Client, ThreadedClient}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mongodb::db::ThreadedDatabase` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mongodb::db::ThreadedDatabase; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/std_library_types/vector.rs:367:9 [INFO] [stderr] | [INFO] [stderr] 367 | let mut hash_code = _hash(&mut input_vector, &mut hyperplane); [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: variable does not need to be mutable [INFO] [stderr] --> src/mongodb_usage/mongo.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut cursor = coll.find(None, None).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse` [INFO] [stderr] --> src/std_library_types/vector.rs:353:1 [INFO] [stderr] | [INFO] [stderr] 353 | pub fn parse(input_vector_string: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/std_library_types/vector.rs:383:1 [INFO] [stderr] | [INFO] [stderr] 383 | pub fn main() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.32s [INFO] running `"docker" "inspect" "1030e8a78542525e98048e2d8b9e9983c74cbcd0c8651677fcb413eb064a0376"` [INFO] running `"docker" "rm" "-f" "1030e8a78542525e98048e2d8b9e9983c74cbcd0c8651677fcb413eb064a0376"` [INFO] [stdout] 1030e8a78542525e98048e2d8b9e9983c74cbcd0c8651677fcb413eb064a0376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/BLKStone/learnrust:/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] 6652a1ea69afd6dc90a899c418390129b8d00b017abc9f4fd128c264a568b09f [INFO] running `"docker" "start" "-a" "6652a1ea69afd6dc90a899c418390129b8d00b017abc9f4fd128c264a568b09f"` [INFO] [stderr] Compiling lsh_test v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `bson::Bson` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use bson::Bson; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Client`, `ThreadedClient` [INFO] [stderr] --> src/main.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use mongodb::{Client, ThreadedClient}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mongodb::db::ThreadedDatabase` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mongodb::db::ThreadedDatabase; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/std_library_types/vector.rs:367:9 [INFO] [stderr] | [INFO] [stderr] 367 | let mut hash_code = _hash(&mut input_vector, &mut hyperplane); [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: variable does not need to be mutable [INFO] [stderr] --> src/mongodb_usage/mongo.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let mut cursor = coll.find(None, None).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse` [INFO] [stderr] --> src/std_library_types/vector.rs:353:1 [INFO] [stderr] | [INFO] [stderr] 353 | pub fn parse(input_vector_string: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/std_library_types/vector.rs:383:1 [INFO] [stderr] | [INFO] [stderr] 383 | pub fn main() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `"docker" "inspect" "6652a1ea69afd6dc90a899c418390129b8d00b017abc9f4fd128c264a568b09f"` [INFO] running `"docker" "rm" "-f" "6652a1ea69afd6dc90a899c418390129b8d00b017abc9f4fd128c264a568b09f"` [INFO] [stdout] 6652a1ea69afd6dc90a899c418390129b8d00b017abc9f4fd128c264a568b09f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/BLKStone/learnrust:/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] 69326e2e27be9ef733b7cdb8f3af5a64f8a535e34c9e14c4d4465c470cc3db48 [INFO] running `"docker" "start" "-a" "69326e2e27be9ef733b7cdb8f3af5a64f8a535e34c9e14c4d4465c470cc3db48"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/lsh_test-f98379fa0bf77cea [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" "69326e2e27be9ef733b7cdb8f3af5a64f8a535e34c9e14c4d4465c470cc3db48"` [INFO] running `"docker" "rm" "-f" "69326e2e27be9ef733b7cdb8f3af5a64f8a535e34c9e14c4d4465c470cc3db48"` [INFO] [stdout] 69326e2e27be9ef733b7cdb8f3af5a64f8a535e34c9e14c4d4465c470cc3db48