[INFO] cloning repository https://github.com/rimasu/knott
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rimasu/knott" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimasu%2Fknott", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimasu%2Fknott'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88a52973f366aa648d8d92b417c6b6bb74efdfe0
[INFO] testing rimasu/knott against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimasu%2Fknott" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rimasu/knott on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rimasu/knott
[INFO] finished tweaking git repo https://github.com/rimasu/knott
[INFO] tweaked toml for git repo https://github.com/rimasu/knott written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rimasu/knott already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5f545027748e7681468bda781d8b79470304ba8dcd53cf8dab3848931ab61c
[INFO] running `Command { std: "docker" "start" "-a" "9b5f545027748e7681468bda781d8b79470304ba8dcd53cf8dab3848931ab61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5f545027748e7681468bda781d8b79470304ba8dcd53cf8dab3848931ab61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5f545027748e7681468bda781d8b79470304ba8dcd53cf8dab3848931ab61c", kill_on_drop: false }`
[INFO] [stdout] 9b5f545027748e7681468bda781d8b79470304ba8dcd53cf8dab3848931ab61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761f4f6858ad6f3c921d7af55f346a91b718f5ef8ff19aeae2879f77e270926a
[INFO] running `Command { std: "docker" "start" "-a" "761f4f6858ad6f3c921d7af55f346a91b718f5ef8ff19aeae2879f77e270926a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling knott v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/state.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ordered`
[INFO] [stdout]    --> src/state.rs:253:50
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ordered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MIN_KIND`
[INFO] [stdout]  --> src/coords.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static MIN_KIND: u32 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MIN_POS`
[INFO] [stdout]   --> src/coords.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | static MIN_POS: u32 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn find_shard_mut(&mut self, region: Region) -> Option<MutShard> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn find_shard_mut(&mut self, pos: Pos, region: Region) -> Result<Option<MutShard>, CmdError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "761f4f6858ad6f3c921d7af55f346a91b718f5ef8ff19aeae2879f77e270926a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761f4f6858ad6f3c921d7af55f346a91b718f5ef8ff19aeae2879f77e270926a", kill_on_drop: false }`
[INFO] [stdout] 761f4f6858ad6f3c921d7af55f346a91b718f5ef8ff19aeae2879f77e270926a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eae14f304c1742c36b485d280fd214c4e2ba5381ca0703bfadba1ccdd948cdb
[INFO] running `Command { std: "docker" "start" "-a" "6eae14f304c1742c36b485d280fd214c4e2ba5381ca0703bfadba1ccdd948cdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/state.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ordered`
[INFO] [stdout]    --> src/state.rs:253:50
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ordered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MIN_KIND`
[INFO] [stdout]  --> src/coords.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static MIN_KIND: u32 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MIN_POS`
[INFO] [stdout]   --> src/coords.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | static MIN_POS: u32 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn find_shard_mut(&mut self, region: Region) -> Option<MutShard> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn find_shard_mut(&mut self, pos: Pos, region: Region) -> Result<Option<MutShard>, CmdError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling knott v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/state.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ordered`
[INFO] [stdout]    --> src/state.rs:253:50
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ordered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn find_shard_mut(&mut self, region: Region) -> Option<MutShard> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_shard_mut`
[INFO] [stdout]    --> src/state.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn find_shard_mut(&mut self, pos: Pos, region: Region) -> Result<Option<MutShard>, CmdError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_tx`
[INFO] [stdout]    --> src/state.rs:374:12
[INFO] [stdout]     |
[INFO] [stdout] 374 |         fn start_tx(&mut self) -> Transaction {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/state.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |             tx.apply(&cmd);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "6eae14f304c1742c36b485d280fd214c4e2ba5381ca0703bfadba1ccdd948cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eae14f304c1742c36b485d280fd214c4e2ba5381ca0703bfadba1ccdd948cdb", kill_on_drop: false }`
[INFO] [stdout] 6eae14f304c1742c36b485d280fd214c4e2ba5381ca0703bfadba1ccdd948cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b5c7ba7b982c80ae724ee4a512b0b6e9616fa23b076eb0f8ce275e47ded04bd
[INFO] running `Command { std: "docker" "start" "-a" "5b5c7ba7b982c80ae724ee4a512b0b6e9616fa23b076eb0f8ce275e47ded04bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/state.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stderr]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ordered`
[INFO] [stderr]    --> src/state.rs:253:50
[INFO] [stderr]     |
[INFO] [stderr] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stderr]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ordered`
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MIN_KIND`
[INFO] [stderr]  --> src/coords.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | static MIN_KIND: u32 = 1;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MIN_POS`
[INFO] [stderr]   --> src/coords.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | static MIN_POS: u32 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_shard_mut`
[INFO] [stderr]    --> src/state.rs:171:8
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn find_shard_mut(&mut self, region: Region) -> Option<MutShard> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_shard_mut`
[INFO] [stderr]    --> src/state.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn find_shard_mut(&mut self, pos: Pos, region: Region) -> Result<Option<MutShard>, CmdError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/state.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stderr]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ordered`
[INFO] [stderr]    --> src/state.rs:253:50
[INFO] [stderr]     |
[INFO] [stderr] 253 |     fn create_ordered_pieces(cmd: &CreatePieces, ordered: &mut OrderedShard) -> Result<(), CmdError> {
[INFO] [stderr]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ordered`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_shard_mut`
[INFO] [stderr]    --> src/state.rs:171:8
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn find_shard_mut(&mut self, region: Region) -> Option<MutShard> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_shard_mut`
[INFO] [stderr]    --> src/state.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn find_shard_mut(&mut self, pos: Pos, region: Region) -> Result<Option<MutShard>, CmdError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start_tx`
[INFO] [stderr]    --> src/state.rs:374:12
[INFO] [stderr]     |
[INFO] [stderr] 374 |         fn start_tx(&mut self) -> Transaction {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/state.rs:380:13
[INFO] [stderr]     |
[INFO] [stderr] 380 |             tx.apply(&cmd);
[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] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knott-3fd3dba5bc1d0578)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stderr]    Doc-tests knott
[INFO] [stdout] test coords::test::can_convert_kind_to_u32 ... ok
[INFO] [stdout] test coords::test::can_convert_over_max_to_pos ... ok
[INFO] [stdout] test coords::test::check_max_kind_is_a_valid_u16 ... ok
[INFO] [stdout] test coords::test::can_convert_numbers_to_pos ... ok
[INFO] [stdout] test coords::test::can_convert_over_max_to_kind ... ok
[INFO] [stdout] test coords::test::can_convert_numbers_to_kind ... ok
[INFO] [stdout] test coords::test::kind_debug_is_three_digit_zero_padded_number ... ok
[INFO] [stdout] test lookup::test::can_convert_list_to_lookup ... ok
[INFO] [stdout] test lookup::test::can_not_convert_if_there_is_a_label_collision ... ok
[INFO] [stdout] test coords::test::can_convert_zero_to_kind ... ok
[INFO] [stdout] test lookup::test::can_not_convert_if_there_is_a_index_collision ... ok
[INFO] [stdout] test coords::test::kind_display_is_number ... ok
[INFO] [stdout] test defs::test::can_build_game_def ... ok
[INFO] [stdout] test coords::test::pos_display_is_number ... ok
[INFO] [stdout] test coords::test::check_max_pos_is_a_valid_u16 ... ok
[INFO] [stdout] test coords::test::can_convert_zero_to_pos ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_pos_ids ... ok
[INFO] [stdout] test coords::test::pos_debug_is_three_digit_zero_padded_number ... ok
[INFO] [stdout] test specs::test::can_convert_def_into_spec ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_kind_ids ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_kind_labels ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_pos_labels ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_kind_suffix_labels ... ok
[INFO] [stdout] test specs::test::can_not_convert_game_def_with_colliding_pos_suffix_labels ... ok
[INFO] [stdout] test state::test::can_create_pieces_in_unordered_pos ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b5c7ba7b982c80ae724ee4a512b0b6e9616fa23b076eb0f8ce275e47ded04bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5c7ba7b982c80ae724ee4a512b0b6e9616fa23b076eb0f8ce275e47ded04bd", kill_on_drop: false }`
[INFO] [stdout] 5b5c7ba7b982c80ae724ee4a512b0b6e9616fa23b076eb0f8ce275e47ded04bd