[INFO] cloning repository https://github.com/DefectingCat/rs-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DefectingCat/rs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1064a7360526288b73f5af94740c77f72ea82dc
[INFO] checking DefectingCat/rs-playground against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefectingCat%2Frs-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DefectingCat/rs-playground
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/DefectingCat/rs-playground
[INFO] tweaked toml for git repo https://github.com/DefectingCat/rs-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DefectingCat/rs-playground on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DefectingCat/rs-playground 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1370019af1efa30c480f6af85b6833d747b8ad41858ed94ebd1b08c9545989b1
[INFO] running `Command { std: "docker" "start" "-a" "1370019af1efa30c480f6af85b6833d747b8ad41858ed94ebd1b08c9545989b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1370019af1efa30c480f6af85b6833d747b8ad41858ed94ebd1b08c9545989b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1370019af1efa30c480f6af85b6833d747b8ad41858ed94ebd1b08c9545989b1", kill_on_drop: false }`
[INFO] [stdout] 1370019af1efa30c480f6af85b6833d747b8ad41858ed94ebd1b08c9545989b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56be3216a51c8372a6e3279591e32e31d146b572f033b35613ab6b601cdf96c9
[INFO] running `Command { std: "docker" "start" "-a" "56be3216a51c8372a6e3279591e32e31d146b572f033b35613ab6b601cdf96c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling tokio-cron-scheduler v0.11.0
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking wake-tree v0.1.0 (/opt/rustwide/workdir/wake-tree)
[INFO] [stderr]     Checking unsafe-tree v0.1.0 (/opt/rustwide/workdir/unsafe-tree)
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stdout] warning: fields `value` and `chilren` are never read
[INFO] [stdout]   --> wake-tree/src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     parent: RefCell<Weak<Node>>,
[INFO] [stdout] 10 |     chilren: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stdout] warning: fields `value` and `chilren` are never read
[INFO] [stdout]   --> wake-tree/src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     parent: RefCell<Weak<Node>>,
[INFO] [stdout] 10 |     chilren: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking cron v0.12.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir/mandelbrot)
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking timed-future v0.1.0 (/opt/rustwide/workdir/timed-future)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> timed-future/src/lib.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in dereference of `Pin<&mut TimedFuture<Fut>>` as mutable
[INFO] [stdout]   --> timed-future/src/lib.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let start = self.start.get_or_insert(Instant::now());
[INFO] [stdout]    |                     ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Pin<&mut TimedFuture<Fut>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of dereference of `Pin<&mut TimedFuture<Fut>>`
[INFO] [stdout]   --> timed-future/src/lib.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             ^^^^^^^^^^^ move occurs because value has type `Fut`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] help: if `Fut` implemented `Clone`, you could clone the value
[INFO] [stdout]   --> timed-future/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<Fut: Future> Future for TimedFuture<Fut> {
[INFO] [stdout]    |      ^^^ consider constraining this type parameter with `Clone`
[INFO] [stdout] ...
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             ----------- you could clone this value
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(&self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> timed-future/src/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let start = self.start.get_or_insert(Instant::now());
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]   --> timed-future/src/lib.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let elapsed = self.start.unwrap().elapsed();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0507, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `timed-future` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> timed-future/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `add` in this scope
[INFO] [stdout]   --> timed-future/src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let result = add(2, 2);
[INFO] [stdout]    |                      ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: use the `.` operator to call the method `Add::add` on `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] 35 -         let result = add(2, 2);
[INFO] [stdout] 35 +         let result = 2.add(2);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> timed-future/src/lib.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in dereference of `Pin<&mut TimedFuture<Fut>>` as mutable
[INFO] [stdout]   --> timed-future/src/lib.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let start = self.start.get_or_insert(Instant::now());
[INFO] [stdout]    |                     ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout]    = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Pin<&mut TimedFuture<Fut>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of dereference of `Pin<&mut TimedFuture<Fut>>`
[INFO] [stdout]   --> timed-future/src/lib.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             ^^^^^^^^^^^ move occurs because value has type `Fut`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] help: if `Fut` implemented `Clone`, you could clone the value
[INFO] [stdout]   --> timed-future/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<Fut: Future> Future for TimedFuture<Fut> {
[INFO] [stdout]    |      ^^^ consider constraining this type parameter with `Clone`
[INFO] [stdout] ...
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             ----------- you could clone this value
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner_poll = std::pin::pin!(&self.future).as_mut().poll(cx);
[INFO] [stdout]    |                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> timed-future/src/lib.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let start = self.start.get_or_insert(Instant::now());
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]   --> timed-future/src/lib.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let elapsed = self.start.unwrap().elapsed();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0507, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `timed-future` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "56be3216a51c8372a6e3279591e32e31d146b572f033b35613ab6b601cdf96c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56be3216a51c8372a6e3279591e32e31d146b572f033b35613ab6b601cdf96c9", kill_on_drop: false }`
[INFO] [stdout] 56be3216a51c8372a6e3279591e32e31d146b572f033b35613ab6b601cdf96c9
