[INFO] updating cached repository yati-sagade/exprolution
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yati-sagade/exprolution
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yati-sagade/exprolution" "work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yati-sagade/exprolution" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yati-sagade/exprolution"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yati-sagade/exprolution'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83ace1a475a124e94f28b55902b171ba92e2851d
[INFO] sha for GitHub repo yati-sagade/exprolution: 83ace1a475a124e94f28b55902b171ba92e2851d
[INFO] validating manifest of yati-sagade/exprolution 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 yati-sagade/exprolution 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 yati-sagade/exprolution
[INFO] finished frobbing yati-sagade/exprolution
[INFO] frobbed toml for yati-sagade/exprolution written to work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution/Cargo.toml
[INFO] started frobbing yati-sagade/exprolution
[INFO] finished frobbing yati-sagade/exprolution
[INFO] frobbed toml for yati-sagade/exprolution written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yati-sagade/exprolution/Cargo.toml
[INFO] crate yati-sagade/exprolution 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/yati-sagade/exprolution/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[INFO] the lockfile is outdated, regenerating it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 yati-sagade/exprolution 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution:/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] f2fc115c84ac27da68cbe3a2c1cbe343701ee63766ed8576942259b87dd54459
[INFO] running `"docker" "start" "-a" "f2fc115c84ac27da68cbe3a2c1cbe343701ee63766ed8576942259b87dd54459"`
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling exprolution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/genetic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/genetic.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     while (n > 0) {
[INFO] [stderr]    |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/genetic.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |         0 ... 9 => n.to_string(),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/expr.rs:189:22
[INFO] [stderr]     |
[INFO] [stderr] 189 |             Tok::Num(n) => post.push(token.clone()),
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/genetic.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     for i in 0..popsize {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `"docker" "inspect" "f2fc115c84ac27da68cbe3a2c1cbe343701ee63766ed8576942259b87dd54459"`
[INFO] running `"docker" "rm" "-f" "f2fc115c84ac27da68cbe3a2c1cbe343701ee63766ed8576942259b87dd54459"`
[INFO] [stdout] f2fc115c84ac27da68cbe3a2c1cbe343701ee63766ed8576942259b87dd54459
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution:/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] d27c199a4fdb328ac84f7243a7665c6a04a1a2fcb1fadb8984d67080a33bc7e1
[INFO] running `"docker" "start" "-a" "d27c199a4fdb328ac84f7243a7665c6a04a1a2fcb1fadb8984d67080a33bc7e1"`
[INFO] [stderr]    Compiling exprolution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/genetic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/genetic.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     while (n > 0) {
[INFO] [stderr]    |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/genetic.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |         0 ... 9 => n.to_string(),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/expr.rs:189:22
[INFO] [stderr]     |
[INFO] [stderr] 189 |             Tok::Num(n) => post.push(token.clone()),
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/genetic.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     for i in 0..popsize {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "d27c199a4fdb328ac84f7243a7665c6a04a1a2fcb1fadb8984d67080a33bc7e1"`
[INFO] running `"docker" "rm" "-f" "d27c199a4fdb328ac84f7243a7665c6a04a1a2fcb1fadb8984d67080a33bc7e1"`
[INFO] [stdout] d27c199a4fdb328ac84f7243a7665c6a04a1a2fcb1fadb8984d67080a33bc7e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yati-sagade/exprolution:/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] 18fe08674a7607270c9460befc712fd044b3d220fbef2d34144f866d4b8a0ffc
[INFO] running `"docker" "start" "-a" "18fe08674a7607270c9460befc712fd044b3d220fbef2d34144f866d4b8a0ffc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exprolution-eb7c178d8c0cac09
[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/exprolution-c20509b883691cae
[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 exprolution
[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" "18fe08674a7607270c9460befc712fd044b3d220fbef2d34144f866d4b8a0ffc"`
[INFO] running `"docker" "rm" "-f" "18fe08674a7607270c9460befc712fd044b3d220fbef2d34144f866d4b8a0ffc"`
[INFO] [stdout] 18fe08674a7607270c9460befc712fd044b3d220fbef2d34144f866d4b8a0ffc