[INFO] updating cached repository danzhu/rim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danzhu/rim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danzhu/rim" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danzhu/rim"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danzhu/rim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danzhu/rim" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 881edb591da3b1cac55b456ac63c4dcdbc5b89be
[INFO] sha for GitHub repo danzhu/rim: 881edb591da3b1cac55b456ac63c4dcdbc5b89be
[INFO] validating manifest of danzhu/rim 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 danzhu/rim 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 danzhu/rim
[INFO] finished frobbing danzhu/rim
[INFO] frobbed toml for danzhu/rim written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/danzhu/rim/Cargo.toml
[INFO] started frobbing danzhu/rim
[INFO] finished frobbing danzhu/rim
[INFO] frobbed toml for danzhu/rim written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim/Cargo.toml
[INFO] crate danzhu/rim 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 danzhu/rim against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 9913ee98d8e16bcec73c24a8e65a795529fc1834559af65d0268c264eb8e034a
[INFO] running `"docker" "start" "-a" "9913ee98d8e16bcec73c24a8e65a795529fc1834559af65d0268c264eb8e034a"`
[INFO] [stderr]    Compiling rim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/lib/store.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = (usize, &mut T)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_value`
[INFO] [stderr]    --> src/lib/store.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn has_value(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/script/mem.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "9913ee98d8e16bcec73c24a8e65a795529fc1834559af65d0268c264eb8e034a"`
[INFO] running `"docker" "rm" "-f" "9913ee98d8e16bcec73c24a8e65a795529fc1834559af65d0268c264eb8e034a"`
[INFO] [stdout] 9913ee98d8e16bcec73c24a8e65a795529fc1834559af65d0268c264eb8e034a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 629ba9433651654b9791421f28491cf1c3f19b8f1e92dbc840d9f01037b5287a
[INFO] running `"docker" "start" "-a" "629ba9433651654b9791421f28491cf1c3f19b8f1e92dbc840d9f01037b5287a"`
[INFO] [stderr]    Compiling rim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `iter_mut`
[INFO] [stderr]   --> src/lib/store.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn iter_mut(&mut self) -> impl Iterator<Item = (usize, &mut T)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_value`
[INFO] [stderr]    --> src/lib/store.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn has_value(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/script/mem.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "629ba9433651654b9791421f28491cf1c3f19b8f1e92dbc840d9f01037b5287a"`
[INFO] running `"docker" "rm" "-f" "629ba9433651654b9791421f28491cf1c3f19b8f1e92dbc840d9f01037b5287a"`
[INFO] [stdout] 629ba9433651654b9791421f28491cf1c3f19b8f1e92dbc840d9f01037b5287a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/danzhu/rim:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 6de194b4ef52ec071c0c023ecd3178e63376cba84cf44f8261811f6c02d1a197
[INFO] running `"docker" "start" "-a" "6de194b4ef52ec071c0c023ecd3178e63376cba84cf44f8261811f6c02d1a197"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rim-f3f5701df1d1fda9
[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" "6de194b4ef52ec071c0c023ecd3178e63376cba84cf44f8261811f6c02d1a197"`
[INFO] running `"docker" "rm" "-f" "6de194b4ef52ec071c0c023ecd3178e63376cba84cf44f8261811f6c02d1a197"`
[INFO] [stdout] 6de194b4ef52ec071c0c023ecd3178e63376cba84cf44f8261811f6c02d1a197