[INFO] cloning repository https://github.com/oli-obk/tofuwabohu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oli-obk/tofuwabohu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Ftofuwabohu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Ftofuwabohu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d42bb51e52db736c0c13b5bfdfb99a6c5dd8343
[INFO] testing oli-obk/tofuwabohu against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Ftofuwabohu" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/oli-obk/tofuwabohu
[INFO] finished tweaking git repo https://github.com/oli-obk/tofuwabohu
[INFO] tweaked toml for git repo https://github.com/oli-obk/tofuwabohu written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oli-obk/tofuwabohu on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oli-obk/tofuwabohu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b53c0705287d5396bc9afba221f5b2c15cc7fcb182dbc15fef472ff3c3492e
[INFO] running `Command { std: "docker" "start" "-a" "b9b53c0705287d5396bc9afba221f5b2c15cc7fcb182dbc15fef472ff3c3492e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b53c0705287d5396bc9afba221f5b2c15cc7fcb182dbc15fef472ff3c3492e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b53c0705287d5396bc9afba221f5b2c15cc7fcb182dbc15fef472ff3c3492e", kill_on_drop: false }`
[INFO] [stdout] b9b53c0705287d5396bc9afba221f5b2c15cc7fcb182dbc15fef472ff3c3492e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ee934dd35adbb7e663ee082f4e15ce7e333377801bc8b4127436e25b46c4c0
[INFO] running `Command { std: "docker" "start" "-a" "e8ee934dd35adbb7e663ee082f4e15ce7e333377801bc8b4127436e25b46c4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling miniquad v0.3.8 (https://github.com/not-fl3/miniquad?rev=108854ddf14720ecd170cd19afcfbe69cbf62278#108854dd)
[INFO] [stderr]    Compiling quad-snd v0.2.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling fontdue v0.5.2
[INFO] [stderr]    Compiling glam v0.14.0
[INFO] [stderr]    Compiling audrey v0.3.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.7
[INFO] [stderr]    Compiling quad-rand v0.2.1
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling hex2d v1.1.0
[INFO] [stderr]    Compiling macroquad v0.3.20
[INFO] [stderr]    Compiling tofuwabohu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:301:17
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let n = match *state.nest_builders {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sensor` is never constructed
[INFO] [stdout]   --> src/datastructures.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Sensor<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/datastructures.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: Copy> Sensor<T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 16 |     /// Just create a sensor, leaving reader creation to later.
[INFO] [stdout] 17 |     pub fn raw(val: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(val: T) -> (Self, Reader<T>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn make_reader(&self) -> Reader<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn update(&self, f: impl FnOnce(&mut T)) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn modify(&self, f: impl FnOnce(T) -> T) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn get(&self) -> T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]   --> src/datastructures.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Reader<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/datastructures.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Copy> Reader<T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 55 |     pub fn get(&self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ComplexSaveable` is never used
[INFO] [stdout]   --> src/save.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type ComplexSaveable<T> = Saveable<ComplexSave<T>>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/save.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T: Save> Saveable<T> {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn default(key: impl ToString) -> Self
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexSave` is never constructed
[INFO] [stdout]    --> src/save.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct ComplexSave<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.40s
[INFO] running `Command { std: "docker" "inspect" "e8ee934dd35adbb7e663ee082f4e15ce7e333377801bc8b4127436e25b46c4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ee934dd35adbb7e663ee082f4e15ce7e333377801bc8b4127436e25b46c4c0", kill_on_drop: false }`
[INFO] [stdout] e8ee934dd35adbb7e663ee082f4e15ce7e333377801bc8b4127436e25b46c4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b5b2e5f768adec4bc33a0f016c137b1bad2884c8241af2e5af92da70728308
[INFO] running `Command { std: "docker" "start" "-a" "45b5b2e5f768adec4bc33a0f016c137b1bad2884c8241af2e5af92da70728308", kill_on_drop: false }`
[INFO] [stderr]    Compiling tofuwabohu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:301:17
[INFO] [stdout]     |
[INFO] [stdout] 301 |             let n = match *state.nest_builders {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sensor` is never constructed
[INFO] [stdout]   --> src/datastructures.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Sensor<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/datastructures.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: Copy> Sensor<T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 16 |     /// Just create a sensor, leaving reader creation to later.
[INFO] [stdout] 17 |     pub fn raw(val: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(val: T) -> (Self, Reader<T>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn make_reader(&self) -> Reader<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn set(&self, val: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn update(&self, f: impl FnOnce(&mut T)) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn modify(&self, f: impl FnOnce(T) -> T) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn get(&self) -> T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]   --> src/datastructures.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Reader<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/datastructures.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Copy> Reader<T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 55 |     pub fn get(&self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ComplexSaveable` is never used
[INFO] [stdout]   --> src/save.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type ComplexSaveable<T> = Saveable<ComplexSave<T>>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/save.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T: Save> Saveable<T> {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn default(key: impl ToString) -> Self
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexSave` is never constructed
[INFO] [stdout]    --> src/save.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct ComplexSave<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "45b5b2e5f768adec4bc33a0f016c137b1bad2884c8241af2e5af92da70728308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b5b2e5f768adec4bc33a0f016c137b1bad2884c8241af2e5af92da70728308", kill_on_drop: false }`
[INFO] [stdout] 45b5b2e5f768adec4bc33a0f016c137b1bad2884c8241af2e5af92da70728308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85c7f3d27d6d3ad9de3b5b0f7f19181f721b623bd0727208d289b386d2e66cf9
[INFO] running `Command { std: "docker" "start" "-a" "85c7f3d27d6d3ad9de3b5b0f7f19181f721b623bd0727208d289b386d2e66cf9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:301:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 301 |             let n = match *state.nest_builders {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Sensor` is never constructed
[INFO] [stderr]   --> src/datastructures.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Sensor<T> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/datastructures.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<T: Copy> Sensor<T> {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 16 |     /// Just create a sensor, leaving reader creation to later.
[INFO] [stderr] 17 |     pub fn raw(val: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn new(val: T) -> (Self, Reader<T>) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn make_reader(&self) -> Reader<T> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn set(&self, val: T) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn update(&self, f: impl FnOnce(&mut T)) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn modify(&self, f: impl FnOnce(T) -> T) -> T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn get(&self) -> T {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Reader` is never constructed
[INFO] [stderr]   --> src/datastructures.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct Reader<T> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/datastructures.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<T: Copy> Reader<T> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] 55 |     pub fn get(&self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ComplexSaveable` is never used
[INFO] [stderr]   --> src/save.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub type ComplexSaveable<T> = Saveable<ComplexSave<T>>;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `default` is never used
[INFO] [stderr]   --> src/save.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl<T: Save> Saveable<T> {
[INFO] [stderr]    | ------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn default(key: impl ToString) -> Self
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ComplexSave` is never constructed
[INFO] [stderr]    --> src/save.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct ComplexSave<T>(T);
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tofuwabohu` (bin "tofuwabohu" test) generated 8 warnings (run `cargo fix --bin "tofuwabohu" -p tofuwabohu --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tofuwabohu-a88aedf1f26e73ca)
[INFO] running `Command { std: "docker" "inspect" "85c7f3d27d6d3ad9de3b5b0f7f19181f721b623bd0727208d289b386d2e66cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c7f3d27d6d3ad9de3b5b0f7f19181f721b623bd0727208d289b386d2e66cf9", kill_on_drop: false }`
[INFO] [stdout] 85c7f3d27d6d3ad9de3b5b0f7f19181f721b623bd0727208d289b386d2e66cf9
