[INFO] updating cached repository matthew86707/RustAdvent [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/matthew86707/RustAdvent [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/matthew86707/RustAdvent" "work/ex/beta-1.37-6/sources/1.36.0/gh/matthew86707/RustAdvent"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/matthew86707/RustAdvent'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/matthew86707/RustAdvent" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b9be942a4d1fea2fa01db73bb287e1e4c6706a5f [INFO] sha for GitHub repo matthew86707/RustAdvent: b9be942a4d1fea2fa01db73bb287e1e4c6706a5f [INFO] validating manifest of matthew86707/RustAdvent 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 matthew86707/RustAdvent 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 matthew86707/RustAdvent [INFO] finished frobbing matthew86707/RustAdvent [INFO] frobbed toml for matthew86707/RustAdvent written to work/ex/beta-1.37-6/sources/1.36.0/gh/matthew86707/RustAdvent/Cargo.toml [INFO] started frobbing matthew86707/RustAdvent [INFO] finished frobbing matthew86707/RustAdvent [INFO] frobbed toml for matthew86707/RustAdvent written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent/Cargo.toml [INFO] crate matthew86707/RustAdvent 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 matthew86707/RustAdvent against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] b1f61940f098d08dbcb92ed613538dc01f867df9b1a045c9f76981cf2e0da903 [INFO] running `"docker" "start" "-a" "b1f61940f098d08dbcb92ed613538dc01f867df9b1a045c9f76981cf2e0da903"` [INFO] [stderr] Compiling RustAdvent v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | if(this_group.inner_groups.len() < 1){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Cursor` [INFO] [stderr] --> src/main.rs:89:6 [INFO] [stderr] | [INFO] [stderr] 89 | use std::io::Cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `groups` [INFO] [stderr] --> src/main.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | let mut groups : Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_groups` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root_group` [INFO] [stderr] --> src/main.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | let mut root_group : Group = Group { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_root_group` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | let mut characters = get_char_array_from_bytes(raw_bytes); [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:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut groups : Vec> = Vec::new(); [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:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | let mut root_group : Group = Group { [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:52:10 [INFO] [stderr] | [INFO] [stderr] 52 | let mut inner_group = find_inner_group(cursor_pos, this_group.group_depth, &characters); [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:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | let mut total : i32 = value_of_children + 1; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `RustAdvent` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_advent` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "b1f61940f098d08dbcb92ed613538dc01f867df9b1a045c9f76981cf2e0da903"` [INFO] running `"docker" "rm" "-f" "b1f61940f098d08dbcb92ed613538dc01f867df9b1a045c9f76981cf2e0da903"` [INFO] [stdout] b1f61940f098d08dbcb92ed613538dc01f867df9b1a045c9f76981cf2e0da903 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 784677abae3e8985989cacf976420beeab0f2cd5da0d90a928a86f59fb206ed5 [INFO] running `"docker" "start" "-a" "784677abae3e8985989cacf976420beeab0f2cd5da0d90a928a86f59fb206ed5"` [INFO] [stderr] Compiling RustAdvent v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | if(this_group.inner_groups.len() < 1){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Cursor` [INFO] [stderr] --> src/main.rs:89:6 [INFO] [stderr] | [INFO] [stderr] 89 | use std::io::Cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `groups` [INFO] [stderr] --> src/main.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | let mut groups : Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_groups` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root_group` [INFO] [stderr] --> src/main.rs:14:10 [INFO] [stderr] | [INFO] [stderr] 14 | let mut root_group : Group = Group { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_root_group` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | let mut characters = get_char_array_from_bytes(raw_bytes); [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:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut groups : Vec> = Vec::new(); [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:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | let mut root_group : Group = Group { [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:52:10 [INFO] [stderr] | [INFO] [stderr] 52 | let mut inner_group = find_inner_group(cursor_pos, this_group.group_depth, &characters); [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:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | let mut total : i32 = value_of_children + 1; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `RustAdvent` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_advent` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `"docker" "inspect" "784677abae3e8985989cacf976420beeab0f2cd5da0d90a928a86f59fb206ed5"` [INFO] running `"docker" "rm" "-f" "784677abae3e8985989cacf976420beeab0f2cd5da0d90a928a86f59fb206ed5"` [INFO] [stdout] 784677abae3e8985989cacf976420beeab0f2cd5da0d90a928a86f59fb206ed5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matthew86707/RustAdvent:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 2f9d53230d018270efd88a1b0744e3d7ac04bc3cb65f85a2787da8547adea8fa [INFO] running `"docker" "start" "-a" "2f9d53230d018270efd88a1b0744e3d7ac04bc3cb65f85a2787da8547adea8fa"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/RustAdvent-61e3656b87ab5feb [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" "2f9d53230d018270efd88a1b0744e3d7ac04bc3cb65f85a2787da8547adea8fa"` [INFO] running `"docker" "rm" "-f" "2f9d53230d018270efd88a1b0744e3d7ac04bc3cb65f85a2787da8547adea8fa"` [INFO] [stdout] 2f9d53230d018270efd88a1b0744e3d7ac04bc3cb65f85a2787da8547adea8fa