[INFO] updating cached repository astroshift/rustodo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/astroshift/rustodo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/astroshift/rustodo" "work/ex/beta-1.38-1/sources/1.37.0/gh/astroshift/rustodo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/astroshift/rustodo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/astroshift/rustodo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56fd3e21cf2c2742176a783efc4e56291cfff302
[INFO] sha for GitHub repo astroshift/rustodo: 56fd3e21cf2c2742176a783efc4e56291cfff302
[INFO] validating manifest of astroshift/rustodo 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 astroshift/rustodo 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 astroshift/rustodo
[INFO] finished frobbing astroshift/rustodo
[INFO] frobbed toml for astroshift/rustodo written to work/ex/beta-1.38-1/sources/1.37.0/gh/astroshift/rustodo/Cargo.toml
[INFO] started frobbing astroshift/rustodo
[INFO] finished frobbing astroshift/rustodo
[INFO] frobbed toml for astroshift/rustodo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo/Cargo.toml
[INFO] crate astroshift/rustodo 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/astroshift/rustodo/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[INFO] the lockfile is outdated, regenerating it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 astroshift/rustodo against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 53691a193f4aab6c90e9454c94ee6843de92eefcab6f004a21c6a7e00b0b409b
[INFO] running `"docker" "start" "-a" "53691a193f4aab6c90e9454c94ee6843de92eefcab6f004a21c6a7e00b0b409b"`
[INFO] [stderr]    Compiling rustodo v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/todo/modify.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             writeln!(_file, "{}", _nvec[j]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/todo/modify.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             write!(_file, "{}", _nvec[j]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "53691a193f4aab6c90e9454c94ee6843de92eefcab6f004a21c6a7e00b0b409b"`
[INFO] running `"docker" "rm" "-f" "53691a193f4aab6c90e9454c94ee6843de92eefcab6f004a21c6a7e00b0b409b"`
[INFO] [stdout] 53691a193f4aab6c90e9454c94ee6843de92eefcab6f004a21c6a7e00b0b409b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d369c718b2aaca537e9e06a4fbc23fc2a5c9dfee7d78b136137368aab19bb95
[INFO] running `"docker" "start" "-a" "6d369c718b2aaca537e9e06a4fbc23fc2a5c9dfee7d78b136137368aab19bb95"`
[INFO] [stderr]    Compiling rustodo v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/todo/modify.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             writeln!(_file, "{}", _nvec[j]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/todo/modify.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             write!(_file, "{}", _nvec[j]);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "6d369c718b2aaca537e9e06a4fbc23fc2a5c9dfee7d78b136137368aab19bb95"`
[INFO] running `"docker" "rm" "-f" "6d369c718b2aaca537e9e06a4fbc23fc2a5c9dfee7d78b136137368aab19bb95"`
[INFO] [stdout] 6d369c718b2aaca537e9e06a4fbc23fc2a5c9dfee7d78b136137368aab19bb95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/astroshift/rustodo:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2e66de54e16b6dfc88dee85ed1cfb78ccb6d28c4cbb965b99b86e88d7ad721c4
[INFO] running `"docker" "start" "-a" "2e66de54e16b6dfc88dee85ed1cfb78ccb6d28c4cbb965b99b86e88d7ad721c4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustodo-5579ba66455bc303
[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" "2e66de54e16b6dfc88dee85ed1cfb78ccb6d28c4cbb965b99b86e88d7ad721c4"`
[INFO] running `"docker" "rm" "-f" "2e66de54e16b6dfc88dee85ed1cfb78ccb6d28c4cbb965b99b86e88d7ad721c4"`
[INFO] [stdout] 2e66de54e16b6dfc88dee85ed1cfb78ccb6d28c4cbb965b99b86e88d7ad721c4