[INFO] updating cached repository wenLiangcan/todo.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wenLiangcan/todo.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wenLiangcan/todo.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wenLiangcan/todo.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wenLiangcan/todo.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wenLiangcan/todo.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bfbb07865826e6c03957814c39b3a4e001673f3a
[INFO] sha for GitHub repo wenLiangcan/todo.rs: bfbb07865826e6c03957814c39b3a4e001673f3a
[INFO] validating manifest of wenLiangcan/todo.rs 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 wenLiangcan/todo.rs 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 wenLiangcan/todo.rs
[INFO] finished frobbing wenLiangcan/todo.rs
[INFO] frobbed toml for wenLiangcan/todo.rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs/Cargo.toml
[INFO] started frobbing wenLiangcan/todo.rs
[INFO] finished frobbing wenLiangcan/todo.rs
[INFO] frobbed toml for wenLiangcan/todo.rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wenLiangcan/todo.rs/Cargo.toml
[INFO] crate wenLiangcan/todo.rs 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/wenLiangcan/todo.rs/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[INFO] the lockfile is outdated, regenerating it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 wenLiangcan/todo.rs 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs:/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] 4f4bfd6d2b70c9f74c24686f85f3a3e0bdcd1eb2c14a6b8907de83158c846f4b
[INFO] running `"docker" "start" "-a" "4f4bfd6d2b70c9f74c24686f85f3a3e0bdcd1eb2c14a6b8907de83158c846f4b"`
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling ansi_term v0.12.0
[INFO] [stderr]    Compiling clap v1.5.6
[INFO] [stderr]    Compiling todo v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `str_to_string`
[INFO] [stderr]    --> src/main.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 | #[allow(str_to_string)]  // omit the warning of `str_to_string` caused by `clap`
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let path = env::home_dir().unwrap().join("todo.txt");
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.22s
[INFO] running `"docker" "inspect" "4f4bfd6d2b70c9f74c24686f85f3a3e0bdcd1eb2c14a6b8907de83158c846f4b"`
[INFO] running `"docker" "rm" "-f" "4f4bfd6d2b70c9f74c24686f85f3a3e0bdcd1eb2c14a6b8907de83158c846f4b"`
[INFO] [stdout] 4f4bfd6d2b70c9f74c24686f85f3a3e0bdcd1eb2c14a6b8907de83158c846f4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs:/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] 2e65f984d011db5c8138198095ee2256a03803114425df0b1b25b32a2979efa0
[INFO] running `"docker" "start" "-a" "2e65f984d011db5c8138198095ee2256a03803114425df0b1b25b32a2979efa0"`
[INFO] [stderr]    Compiling todo v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `str_to_string`
[INFO] [stderr]    --> src/main.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 | #[allow(str_to_string)]  // omit the warning of `str_to_string` caused by `clap`
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:265:16
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let path = env::home_dir().unwrap().join("todo.txt");
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "2e65f984d011db5c8138198095ee2256a03803114425df0b1b25b32a2979efa0"`
[INFO] running `"docker" "rm" "-f" "2e65f984d011db5c8138198095ee2256a03803114425df0b1b25b32a2979efa0"`
[INFO] [stdout] 2e65f984d011db5c8138198095ee2256a03803114425df0b1b25b32a2979efa0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wenLiangcan/todo.rs:/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] 735f8c6140d0c964e6141b5a4ca43f9f5342a8931784f67d6bf72aaf86aa6e63
[INFO] running `"docker" "start" "-a" "735f8c6140d0c964e6141b5a4ca43f9f5342a8931784f67d6bf72aaf86aa6e63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/todo-0406a759f936914f
[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" "735f8c6140d0c964e6141b5a4ca43f9f5342a8931784f67d6bf72aaf86aa6e63"`
[INFO] running `"docker" "rm" "-f" "735f8c6140d0c964e6141b5a4ca43f9f5342a8931784f67d6bf72aaf86aa6e63"`
[INFO] [stdout] 735f8c6140d0c964e6141b5a4ca43f9f5342a8931784f67d6bf72aaf86aa6e63