[INFO] updating cached repository Salehbigdeli/rust-with-lists
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Salehbigdeli/rust-with-lists
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Salehbigdeli/rust-with-lists" "work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Salehbigdeli/rust-with-lists" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Salehbigdeli/rust-with-lists"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Salehbigdeli/rust-with-lists'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98e59d2147f3fd6bf637dfa678104653869db4dd
[INFO] sha for GitHub repo Salehbigdeli/rust-with-lists: 98e59d2147f3fd6bf637dfa678104653869db4dd
[INFO] validating manifest of Salehbigdeli/rust-with-lists 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 Salehbigdeli/rust-with-lists 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 Salehbigdeli/rust-with-lists
[INFO] finished frobbing Salehbigdeli/rust-with-lists
[INFO] frobbed toml for Salehbigdeli/rust-with-lists written to work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists/Cargo.toml
[INFO] started frobbing Salehbigdeli/rust-with-lists
[INFO] finished frobbing Salehbigdeli/rust-with-lists
[INFO] frobbed toml for Salehbigdeli/rust-with-lists written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Salehbigdeli/rust-with-lists/Cargo.toml
[INFO] crate Salehbigdeli/rust-with-lists 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Salehbigdeli/rust-with-lists against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0f01b4ba2cce1a5b1dc071c0e0eca7f460d4ffbffde39a9e6bc19904e86b7e29
[INFO] running `"docker" "start" "-a" "0f01b4ba2cce1a5b1dc071c0e0eca7f460d4ffbffde39a9e6bc19904e86b7e29"`
[INFO] [stderr]    Compiling list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/second.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `list::first::List`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use list::first::List;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "0f01b4ba2cce1a5b1dc071c0e0eca7f460d4ffbffde39a9e6bc19904e86b7e29"`
[INFO] running `"docker" "rm" "-f" "0f01b4ba2cce1a5b1dc071c0e0eca7f460d4ffbffde39a9e6bc19904e86b7e29"`
[INFO] [stdout] 0f01b4ba2cce1a5b1dc071c0e0eca7f460d4ffbffde39a9e6bc19904e86b7e29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 45e6cd0cc6fe3c94c8183b3cd599042a282f5d03549420016a0299c58209327c
[INFO] running `"docker" "start" "-a" "45e6cd0cc6fe3c94c8183b3cd599042a282f5d03549420016a0299c58209327c"`
[INFO] [stderr]    Compiling list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `list::first::List`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use list::first::List;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/second.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "45e6cd0cc6fe3c94c8183b3cd599042a282f5d03549420016a0299c58209327c"`
[INFO] running `"docker" "rm" "-f" "45e6cd0cc6fe3c94c8183b3cd599042a282f5d03549420016a0299c58209327c"`
[INFO] [stdout] 45e6cd0cc6fe3c94c8183b3cd599042a282f5d03549420016a0299c58209327c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Salehbigdeli/rust-with-lists:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c26be509b1f08ff26248ea7e6de72476aa183cf257bc386365d05e68920ff7b1
[INFO] running `"docker" "start" "-a" "c26be509b1f08ff26248ea7e6de72476aa183cf257bc386365d05e68920ff7b1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/list-ae234c00af1a19b1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/list-04d8f68d6e94c907
[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 list
[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" "c26be509b1f08ff26248ea7e6de72476aa183cf257bc386365d05e68920ff7b1"`
[INFO] running `"docker" "rm" "-f" "c26be509b1f08ff26248ea7e6de72476aa183cf257bc386365d05e68920ff7b1"`
[INFO] [stdout] c26be509b1f08ff26248ea7e6de72476aa183cf257bc386365d05e68920ff7b1