[INFO] cloning repository https://github.com/liambloom/vec2d
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liambloom/vec2d" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fvec2d", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fvec2d'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5042ce4731bb9f0d76b3062cb42274ce65f1633
[INFO] testing liambloom/vec2d against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliambloom%2Fvec2d" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liambloom/vec2d on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liambloom/vec2d
[INFO] finished tweaking git repo https://github.com/liambloom/vec2d
[INFO] tweaked toml for git repo https://github.com/liambloom/vec2d written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/liambloom/vec2d already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aff4376b9309350bbbbb7e825f7b3e298ea9de4389362f4d0ba5b893e263e3bf
[INFO] running `Command { std: "docker" "start" "-a" "aff4376b9309350bbbbb7e825f7b3e298ea9de4389362f4d0ba5b893e263e3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff4376b9309350bbbbb7e825f7b3e298ea9de4389362f4d0ba5b893e263e3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff4376b9309350bbbbb7e825f7b3e298ea9de4389362f4d0ba5b893e263e3bf", kill_on_drop: false }`
[INFO] [stdout] aff4376b9309350bbbbb7e825f7b3e298ea9de4389362f4d0ba5b893e263e3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfff1079cb61a9553674e74899bc580a6366bd4e6287edc0fade16364b2d4185
[INFO] running `Command { std: "docker" "start" "-a" "bfff1079cb61a9553674e74899bc580a6366bd4e6287edc0fade16364b2d4185", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `borrow`
[INFO] [stdout]  --> src/lib.rs:1:100
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, iter::{IntoIterator, Iterator}, marker::PhantomData, ops::{Index, IndexMut}, slice, borrow, cell::Cell};
[INFO] [stdout]   |                                                                                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `borrow` found for struct `Cell` in the current scope
[INFO] [stdout]    --> src/lib.rs:126:34
[INFO] [stdout]     |
[INFO] [stdout] 126 |         if self.i >= self.matrix.borrow().rows {
[INFO] [stdout]     |                                  ^^^^^^ method not found in `Cell<Matrix<T>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::borrow::Borrow;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `borrow_mut` found for struct `Cell` in the current scope
[INFO] [stdout]    --> src/lib.rs:131:35
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Some(&mut self.matrix.borrow_mut()[self.i - 1])
[INFO] [stdout]     |                                   ^^^^^^^^^^ method not found in `Cell<Matrix<T>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::borrow::BorrowMut;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |             matrix: self,
[INFO] [stdout]     |                     ^^^^ expected struct `Cell`, found `&mut Matrix<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note:         expected struct `Cell<Matrix<T>>`
[INFO] [stdout]             found mutable reference `&'a mut Matrix<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `_marker` in initializer of `IterMut<'_, _>`
[INFO] [stdout]    --> src/lib.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         IterMut {
[INFO] [stdout]     |         ^^^^^^^ missing `_marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vec2d` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bfff1079cb61a9553674e74899bc580a6366bd4e6287edc0fade16364b2d4185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfff1079cb61a9553674e74899bc580a6366bd4e6287edc0fade16364b2d4185", kill_on_drop: false }`
[INFO] [stdout] bfff1079cb61a9553674e74899bc580a6366bd4e6287edc0fade16364b2d4185