[INFO] updating cached repository RIg410/basket
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RIg410/basket
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RIg410/basket" "work/ex/beta-1.38-1/sources/1.37.0/gh/RIg410/basket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RIg410/basket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RIg410/basket" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RIg410/basket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RIg410/basket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12c2eba8584c83293eb5a0d754011237d1133efa
[INFO] sha for GitHub repo RIg410/basket: 12c2eba8584c83293eb5a0d754011237d1133efa
[INFO] validating manifest of RIg410/basket 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 RIg410/basket 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 RIg410/basket
[INFO] finished frobbing RIg410/basket
[INFO] frobbed toml for RIg410/basket written to work/ex/beta-1.38-1/sources/1.37.0/gh/RIg410/basket/Cargo.toml
[INFO] started frobbing RIg410/basket
[INFO] finished frobbing RIg410/basket
[INFO] frobbed toml for RIg410/basket written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RIg410/basket/Cargo.toml
[INFO] crate RIg410/basket 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 RIg410/basket 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/RIg410/basket:/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] d1abd6d95884afad45b075f15354d203a6266b024eff5509b2dad3f7fd93d0cc
[INFO] running `"docker" "start" "-a" "d1abd6d95884afad45b075f15354d203a6266b024eff5509b2dad3f7fd93d0cc"`
[INFO] [stderr]    Compiling basket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/basket.rs:64:25
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     let mut first = &mut self.inner[0];
[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/basket.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let mut first = &mut self.inner[0];
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_basket`
[INFO] [stderr]    --> src/basket.rs:259:1
[INFO] [stderr]     |
[INFO] [stderr] 259 | fn check_basket(basket: &Basket, inner: Vec<(i32, Vec<&(u32, u128)>)>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "d1abd6d95884afad45b075f15354d203a6266b024eff5509b2dad3f7fd93d0cc"`
[INFO] running `"docker" "rm" "-f" "d1abd6d95884afad45b075f15354d203a6266b024eff5509b2dad3f7fd93d0cc"`
[INFO] [stdout] d1abd6d95884afad45b075f15354d203a6266b024eff5509b2dad3f7fd93d0cc
[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/RIg410/basket:/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] 970b6c81af591bb8a65bf6e39ef44cfa67a08ae1cf2c636a1ab8dea9d105d4bc
[INFO] running `"docker" "start" "-a" "970b6c81af591bb8a65bf6e39ef44cfa67a08ae1cf2c636a1ab8dea9d105d4bc"`
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling criterion-plot v0.2.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling criterion-stats v0.2.4
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling criterion v0.2.4
[INFO] [stderr]    Compiling basket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/basket.rs:64:25
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     let mut first = &mut self.inner[0];
[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/basket.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let mut first = &mut self.inner[0];
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `"docker" "inspect" "970b6c81af591bb8a65bf6e39ef44cfa67a08ae1cf2c636a1ab8dea9d105d4bc"`
[INFO] running `"docker" "rm" "-f" "970b6c81af591bb8a65bf6e39ef44cfa67a08ae1cf2c636a1ab8dea9d105d4bc"`
[INFO] [stdout] 970b6c81af591bb8a65bf6e39ef44cfa67a08ae1cf2c636a1ab8dea9d105d4bc
[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/RIg410/basket:/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] 346dd821fc8120c4dd97b56cde2a38ebe54275bfb75f1049808445ab53dc321f
[INFO] running `"docker" "start" "-a" "346dd821fc8120c4dd97b56cde2a38ebe54275bfb75f1049808445ab53dc321f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/basket-de56aed0f6b1fee6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basket::split_1_test ... ok
[INFO] [stdout] test basket::split_test ... ok
[INFO] [stdout] test basket::put_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basket
[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" "346dd821fc8120c4dd97b56cde2a38ebe54275bfb75f1049808445ab53dc321f"`
[INFO] running `"docker" "rm" "-f" "346dd821fc8120c4dd97b56cde2a38ebe54275bfb75f1049808445ab53dc321f"`
[INFO] [stdout] 346dd821fc8120c4dd97b56cde2a38ebe54275bfb75f1049808445ab53dc321f