[INFO] cloning repository https://github.com/cottonguard/rust-lazy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cottonguard/rust-lazy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-lazy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-lazy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37a1abf985479fb6dc1197b515c4fcf3786ba281
[INFO] checking cottonguard/rust-lazy against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-lazy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cottonguard/rust-lazy
[INFO] finished tweaking git repo https://github.com/cottonguard/rust-lazy
[INFO] tweaked toml for git repo https://github.com/cottonguard/rust-lazy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cottonguard/rust-lazy on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cottonguard/rust-lazy 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0cd71cfc9d952a78fc3f04a3108eaddb739a522eac7871e45377e49ad290932
[INFO] running `Command { std: "docker" "start" "-a" "c0cd71cfc9d952a78fc3f04a3108eaddb739a522eac7871e45377e49ad290932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0cd71cfc9d952a78fc3f04a3108eaddb739a522eac7871e45377e49ad290932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cd71cfc9d952a78fc3f04a3108eaddb739a522eac7871e45377e49ad290932", kill_on_drop: false }`
[INFO] [stdout] c0cd71cfc9d952a78fc3f04a3108eaddb739a522eac7871e45377e49ad290932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1345b68da348c6c78ed712d436c540d723d94898d098e81a815e20bccfe1608a
[INFO] running `Command { std: "docker" "start" "-a" "1345b68da348c6c78ed712d436c540d723d94898d098e81a815e20bccfe1608a", kill_on_drop: false }`
[INFO] [stderr]     Checking list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Lazy` is never used
[INFO] [stdout]  --> src/lazy.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Lazy<F: Fn() -> T, T> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `value` is never used
[INFO] [stdout]  --> src/lazy.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Lazy<fn() -> T, T> {
[INFO] [stdout]   | -------------------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn value(v: T) -> Lazy<fn() -> T, T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `thunk`, `force`, `get`, `get_if_forced`, `is_forced`, and `into_inner` are never used
[INFO] [stdout]   --> src/lazy.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<F: Fn() -> T, T> Lazy<F, T> {
[INFO] [stdout]    | -------------------------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn thunk(f: F) -> Lazy<F, T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn force(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get(&mut self) -> &T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn get_if_forced(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn is_forced(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn into_inner(mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LazyCell` is never constructed
[INFO] [stdout]  --> src/lazy_cell.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct LazyCell<F: Fn() -> T, T> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `thunk`, `get`, and `into_inner` are never used
[INFO] [stdout]   --> src/lazy_cell.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<F: Fn() -> T, T> LazyCell<F, T> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 11 |     fn thunk(f: F) -> LazyCell<F, T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get(&self) -> &T {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn into_inner(self) -> T {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `value` is never used
[INFO] [stdout]   --> src/lazy_cell.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<T> LazyCell<fn() -> T, T> {
[INFO] [stdout]    | ------------------------------ associated function in this implementation
[INFO] [stdout] 29 |     fn value(v: T) -> LazyCell<fn() -> T, T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/lazy.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut v = Lazy::value(234);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lazy.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut v = Lazy::value(234);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `value` is never used
[INFO] [stdout]   --> src/lazy_cell.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl<T> LazyCell<fn() -> T, T> {
[INFO] [stdout]    | ------------------------------ associated function in this implementation
[INFO] [stdout] 29 |     fn value(v: T) -> LazyCell<fn() -> T, T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1345b68da348c6c78ed712d436c540d723d94898d098e81a815e20bccfe1608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1345b68da348c6c78ed712d436c540d723d94898d098e81a815e20bccfe1608a", kill_on_drop: false }`
[INFO] [stdout] 1345b68da348c6c78ed712d436c540d723d94898d098e81a815e20bccfe1608a
