[INFO] updating cached repository asitacko/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asitacko/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asitacko/guessing_game" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asitacko/guessing_game" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/asitacko/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/asitacko/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3b4a548f09103a5f5b1fa8363f85f5034b07c13
[INFO] sha for GitHub repo asitacko/guessing_game: e3b4a548f09103a5f5b1fa8363f85f5034b07c13
[INFO] validating manifest of asitacko/guessing_game on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asitacko/guessing_game on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asitacko/guessing_game
[INFO] finished frobbing asitacko/guessing_game
[INFO] frobbed toml for asitacko/guessing_game written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game/Cargo.toml
[INFO] started frobbing asitacko/guessing_game
[INFO] finished frobbing asitacko/guessing_game
[INFO] frobbed toml for asitacko/guessing_game written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/asitacko/guessing_game/Cargo.toml
[INFO] crate asitacko/guessing_game has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing asitacko/guessing_game against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 3aab4f3b9476a729abc1d954bfba2e8a8daa9bd19af783bc9aeaa74c3e3da3b7
[INFO] running `"docker" "start" "-a" "3aab4f3b9476a729abc1d954bfba2e8a8daa9bd19af783bc9aeaa74c3e3da3b7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stderr]  --> src/main.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{self, Formatter, Display};
[INFO] [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut b = vec!(B::create(2));
[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/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut a = A::create(1, b);
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "3aab4f3b9476a729abc1d954bfba2e8a8daa9bd19af783bc9aeaa74c3e3da3b7"`
[INFO] running `"docker" "rm" "-f" "3aab4f3b9476a729abc1d954bfba2e8a8daa9bd19af783bc9aeaa74c3e3da3b7"`
[INFO] [stdout] 3aab4f3b9476a729abc1d954bfba2e8a8daa9bd19af783bc9aeaa74c3e3da3b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 31593bea02df8dc8aaaca164e42b9449bede7e4cfb460bf2d9d1418979084a3e
[INFO] running `"docker" "start" "-a" "31593bea02df8dc8aaaca164e42b9449bede7e4cfb460bf2d9d1418979084a3e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stderr]  --> src/main.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{self, Formatter, Display};
[INFO] [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut b = vec!(B::create(2));
[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/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut a = A::create(1, b);
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "31593bea02df8dc8aaaca164e42b9449bede7e4cfb460bf2d9d1418979084a3e"`
[INFO] running `"docker" "rm" "-f" "31593bea02df8dc8aaaca164e42b9449bede7e4cfb460bf2d9d1418979084a3e"`
[INFO] [stdout] 31593bea02df8dc8aaaca164e42b9449bede7e4cfb460bf2d9d1418979084a3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/asitacko/guessing_game:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 01bdf69e73a3f440ff8f6ff4acc24f9c29d073ccb8219a191bf53981ea1570e6
[INFO] running `"docker" "start" "-a" "01bdf69e73a3f440ff8f6ff4acc24f9c29d073ccb8219a191bf53981ea1570e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-638adade35ebd8e3
[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" "01bdf69e73a3f440ff8f6ff4acc24f9c29d073ccb8219a191bf53981ea1570e6"`
[INFO] running `"docker" "rm" "-f" "01bdf69e73a3f440ff8f6ff4acc24f9c29d073ccb8219a191bf53981ea1570e6"`
[INFO] [stdout] 01bdf69e73a3f440ff8f6ff4acc24f9c29d073ccb8219a191bf53981ea1570e6