[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] checking oli-obk/tofuwabohu against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Ftofuwabohu" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oli-obk/tofuwabohu on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/not-fl3/miniquad`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded quad-storage-sys v0.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e
[INFO] running `Command { std: "docker" "start" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking 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: 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: 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] [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 8.31s
[INFO] running `Command { std: "docker" "inspect" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e", kill_on_drop: false }`
[INFO] [stdout] 211e7594bfecd2171a117ad0156dff183fa9f9cf7d7211327981b6474962771e
