[INFO] cloning repository https://github.com/stestagg/rtubes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stestagg/rtubes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstestagg%2Frtubes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstestagg%2Frtubes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b09925865b329051609b00d48379cb06c55b414c
[INFO] testing stestagg/rtubes against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstestagg%2Frtubes" "/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/stestagg/rtubes
[INFO] finished tweaking git repo https://github.com/stestagg/rtubes
[INFO] tweaked toml for git repo https://github.com/stestagg/rtubes written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stestagg/rtubes on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stestagg/rtubes 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.137
[INFO] [stderr]   Downloaded serde v1.0.137
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1fa59c45220f947e053465db5ba1f9ae82cd5c0f29ea005fc1616143bac9a4
[INFO] running `Command { std: "docker" "start" "-a" "5d1fa59c45220f947e053465db5ba1f9ae82cd5c0f29ea005fc1616143bac9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1fa59c45220f947e053465db5ba1f9ae82cd5c0f29ea005fc1616143bac9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1fa59c45220f947e053465db5ba1f9ae82cd5c0f29ea005fc1616143bac9a4", kill_on_drop: false }`
[INFO] [stdout] 5d1fa59c45220f947e053465db5ba1f9ae82cd5c0f29ea005fc1616143bac9a4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d6f22c5c200f08e81d4b9a9d619e27d21e11ac05465b5c045536fe2c0fad6ab
[INFO] running `Command { std: "docker" "start" "-a" "6d6f22c5c200f08e81d4b9a9d619e27d21e11ac05465b5c045536fe2c0fad6ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling rtubes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::pump`
[INFO] [stdout]  --> src/tubes/input.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::pump;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/tubes/file.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pump`
[INFO] [stdout]  --> src/tubes/stream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::pump;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/tubes/simple.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'a, T, U> Tube<'a, T> for One<U> 
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn next<'b>(&mut self, value: &'b T) -> NextResult {
[INFO] [stdout]    |             -- lifetime `'b` defined here
[INFO] [stdout] 14 |         let uval = value.into();
[INFO] [stdout]    |                    ^^^^^^^^^^^^ argument requires that `'b` must outlive `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'b: 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*next` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/tubes/file.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     pump!(next, buffer.as_slice());
[INFO] [stdout]    |                           ^^^^ `next` is a `&` reference, so it cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference in the `impl` method and the `trait` definition
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn pages(&self, next: &mut dyn Tube<[u8]>) -> NextResult {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `r2`
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let r2 = RefCell::new(String::from("HI"));
[INFO] [stdout]    |         -- move occurs because `r2` has type `RefCell<String>`, which does not implement the `Copy` trait
[INFO] [stdout] 17 |     {
[INFO] [stdout] 18 |         let out = One{dest: r2};
[INFO] [stdout]    |                             -- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 27 |     dbg!(r2.borrow());
[INFO] [stdout]    |          ^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let out = One{dest: r2.clone()};
[INFO] [stdout]    |                               ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtubes` (bin "rtubes") due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6d6f22c5c200f08e81d4b9a9d619e27d21e11ac05465b5c045536fe2c0fad6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6f22c5c200f08e81d4b9a9d619e27d21e11ac05465b5c045536fe2c0fad6ab", kill_on_drop: false }`
[INFO] [stdout] 6d6f22c5c200f08e81d4b9a9d619e27d21e11ac05465b5c045536fe2c0fad6ab
