[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-1.37-6/sources/1.36.0/gh/BLKStone/learnrust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BLKStone/learnrust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BLKStone/learnrust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BLKStone/learnrust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of BLKStone/learnrust 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 BLKStone/learnrust [INFO] finished frobbing BLKStone/learnrust [INFO] frobbed toml for BLKStone/learnrust written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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 BLKStone/learnrust 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-6/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/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] f6bbcf34356104e44dddcabb9d8bbf2aa45cf626c79a03d040909133477805c4 [INFO] running `"docker" "start" "-a" "f6bbcf34356104e44dddcabb9d8bbf2aa45cf626c79a03d040909133477805c4"` [INFO] [stderr] Compiling textnonce v0.4.1 [INFO] [stderr] Compiling scan_fmt v0.1.3 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling semver-parser v0.6.2 [INFO] [stderr] Compiling semver v0.5.1 [INFO] [stderr] Compiling bson v0.3.2 [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 22.14s [INFO] running `"docker" "inspect" "f6bbcf34356104e44dddcabb9d8bbf2aa45cf626c79a03d040909133477805c4"` [INFO] running `"docker" "rm" "-f" "f6bbcf34356104e44dddcabb9d8bbf2aa45cf626c79a03d040909133477805c4"` [INFO] [stdout] f6bbcf34356104e44dddcabb9d8bbf2aa45cf626c79a03d040909133477805c4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 893efaffb959fc0d75b0b103a12511cc325413a1bea397b8ae683a9e39273ac3 [INFO] running `"docker" "start" "-a" "893efaffb959fc0d75b0b103a12511cc325413a1bea397b8ae683a9e39273ac3"` [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 1.44s [INFO] running `"docker" "inspect" "893efaffb959fc0d75b0b103a12511cc325413a1bea397b8ae683a9e39273ac3"` [INFO] running `"docker" "rm" "-f" "893efaffb959fc0d75b0b103a12511cc325413a1bea397b8ae683a9e39273ac3"` [INFO] [stdout] 893efaffb959fc0d75b0b103a12511cc325413a1bea397b8ae683a9e39273ac3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] de157d1c1c59c7287611ecd735eed1b9cdf59e40e649948dec0ba93cb597cf66 [INFO] running `"docker" "start" "-a" "de157d1c1c59c7287611ecd735eed1b9cdf59e40e649948dec0ba93cb597cf66"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/lsh_test-011956448fb7e2aa [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" "de157d1c1c59c7287611ecd735eed1b9cdf59e40e649948dec0ba93cb597cf66"` [INFO] running `"docker" "rm" "-f" "de157d1c1c59c7287611ecd735eed1b9cdf59e40e649948dec0ba93cb597cf66"` [INFO] [stdout] de157d1c1c59c7287611ecd735eed1b9cdf59e40e649948dec0ba93cb597cf66