[INFO] cloning repository https://github.com/power3xz/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/power3xz/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 409f37b437ad161cb1dc57f9410ca9123f97dcf6
[INFO] checking power3xz/rust-in-action against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpower3xz%2Frust-in-action" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/power3xz/rust-in-action on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] finished tweaking git repo https://github.com/power3xz/rust-in-action
[INFO] tweaked toml for git repo https://github.com/power3xz/rust-in-action written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/power3xz/rust-in-action already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0573ef652c8cb0931b9d35eaf1b4b94640c82b5b4c2eb38fbe5f22d61afc2292
[INFO] running `Command { std: "docker" "start" "-a" "0573ef652c8cb0931b9d35eaf1b4b94640c82b5b4c2eb38fbe5f22d61afc2292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0573ef652c8cb0931b9d35eaf1b4b94640c82b5b4c2eb38fbe5f22d61afc2292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0573ef652c8cb0931b9d35eaf1b4b94640c82b5b4c2eb38fbe5f22d61afc2292", kill_on_drop: false }`
[INFO] [stdout] 0573ef652c8cb0931b9d35eaf1b4b94640c82b5b4c2eb38fbe5f22d61afc2292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 437e02b6c518e9eaa9d5b9c8acc48c75cd9d06e72f380b38690284cf48baeaf6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "437e02b6c518e9eaa9d5b9c8acc48c75cd9d06e72f380b38690284cf48baeaf6", kill_on_drop: false }`
[INFO] [stderr]     Checking l5-5 v0.1.0 (/opt/rustwide/workdir/l5-5)
[INFO] [stderr]     Checking l4-24 v0.1.0 (/opt/rustwide/workdir/l4-24)
[INFO] [stderr]     Checking l3-10 v0.1.0 (/opt/rustwide/workdir/l3-10)
[INFO] [stderr]     Checking l1-1 v0.1.0 (/opt/rustwide/workdir/l1-1)
[INFO] [stderr]     Checking l2-4 v0.1.0 (/opt/rustwide/workdir/l2-4)
[INFO] [stderr]     Checking l5-4 v0.1.0 (/opt/rustwide/workdir/l5-4)
[INFO] [stderr]     Checking l2-12 v0.1.0 (/opt/rustwide/workdir/l2-12)
[INFO] [stderr]     Checking l5-9 v0.1.0 (/opt/rustwide/workdir/l5-9)
[INFO] [stderr]     Checking l2-22 v0.1.0 (/opt/rustwide/workdir/l2-22)
[INFO] [stderr]     Checking l6-6 v0.1.0 (/opt/rustwide/workdir/l6-6)
[INFO] [stderr]     Checking l1-9 v0.1.0 (/opt/rustwide/workdir/l1-9)
[INFO] [stderr]     Checking l1-2 v0.1.0 (/opt/rustwide/workdir/l1-2)
[INFO] [stderr]     Checking l1-6 v0.1.0 (/opt/rustwide/workdir/l1-6)
[INFO] [stderr]     Checking l2-24 v0.1.0 (/opt/rustwide/workdir/l2-24)
[INFO] [stderr]     Checking l1-8 v0.1.0 (/opt/rustwide/workdir/l1-8)
[INFO] [stderr]     Checking l5-2 v0.1.0 (/opt/rustwide/workdir/l5-2)
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir/chip-8)
[INFO] [stderr]     Checking l5-7 v0.1.0 (/opt/rustwide/workdir/l5-7)
[INFO] [stderr]     Checking l1-7 v0.1.0 (/opt/rustwide/workdir/l1-7)
[INFO] [stdout] error[E0373]: closure may outlive the current function, but it borrows `data`, which is owned by the current function
[INFO] [stdout]  --> l1-6/src/main.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::spawn(|| {
[INFO] [stdout]   |                   ^^ may outlive borrowed value `data`
[INFO] [stdout] 7 |         data = 500;
[INFO] [stdout]   |         ---- `data` is borrowed here
[INFO] [stdout]   |
[INFO] [stdout] note: function requires argument type to outlive `'static`
[INFO] [stdout]  --> l1-6/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     thread::spawn(|| {
[INFO] [stdout] 7 | |         data = 500;
[INFO] [stdout] 8 | |     });
[INFO] [stdout]   | |______^
[INFO] [stdout] help: to force the closure to take ownership of `data` (and any other referenced variables), use the `move` keyword
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::spawn(move || {
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `data` as mutable more than once at a time
[INFO] [stdout]   --> l1-6/src/main.rs:9:19
[INFO] [stdout]    |
[INFO] [stdout] 6  |       thread::spawn(|| {
[INFO] [stdout]    |       -             -- first mutable borrow occurs here
[INFO] [stdout]    |  _____|
[INFO] [stdout]    | |
[INFO] [stdout] 7  | |         data = 500;
[INFO] [stdout]    | |         ---- first borrow occurs due to use of `data` in closure
[INFO] [stdout] 8  | |     });
[INFO] [stdout]    | |______- argument requires that `data` is borrowed for `'static`
[INFO] [stdout] 9  |       thread::spawn(|| {
[INFO] [stdout]    |                     ^^ second mutable borrow occurs here
[INFO] [stdout] 10 |           data = 1000;
[INFO] [stdout]    |           ---- second borrow occurs due to use of `data` in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0373]: closure may outlive the current function, but it borrows `data`, which is owned by the current function
[INFO] [stdout]   --> l1-6/src/main.rs:9:19
[INFO] [stdout]    |
[INFO] [stdout] 9  |     thread::spawn(|| {
[INFO] [stdout]    |                   ^^ may outlive borrowed value `data`
[INFO] [stdout] 10 |         data = 1000;
[INFO] [stdout]    |         ---- `data` is borrowed here
[INFO] [stdout]    |
[INFO] [stdout] note: function requires argument type to outlive `'static`
[INFO] [stdout]   --> l1-6/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     thread::spawn(|| {
[INFO] [stdout] 10 | |         data = 1000;
[INFO] [stdout] 11 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout] help: to force the closure to take ownership of `data` (and any other referenced variables), use the `move` keyword
[INFO] [stdout]    |
[INFO] [stdout] 9  |     thread::spawn(move || {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `data` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> l1-6/src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 6  |       thread::spawn(|| {
[INFO] [stdout]    |       -             -- mutable borrow occurs here
[INFO] [stdout]    |  _____|
[INFO] [stdout]    | |
[INFO] [stdout] 7  | |         data = 500;
[INFO] [stdout]    | |         ---- first borrow occurs due to use of `data` in closure
[INFO] [stdout] 8  | |     });
[INFO] [stdout]    | |______- argument requires that `data` is borrowed for `'static`
[INFO] [stdout] ...
[INFO] [stdout] 13 |       println!("{}", data);
[INFO] [stdout]    |                      ^^^^ immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0373, E0499, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0373`.
[INFO] [stdout] 
[INFO] [stderr]     Checking l6-7 v0.1.0 (/opt/rustwide/workdir/l6-7)
[INFO] [stderr] error: could not compile `l1-6` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0382]: borrow of moved value: `letters`
[INFO] [stdout]    --> l1-8/src/main.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout] 2   |     let mut letters = vec!["a", "b", "b"];
[INFO] [stdout]     |         ----------- move occurs because `letters` has type `Vec<&str>`, which does not implement the `Copy` trait
[INFO] [stdout] 3   | 
[INFO] [stdout] 4   |     for letter in letters {
[INFO] [stdout]     |                   -------
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   `letters` moved due to this implicit call to `.into_iter()`
[INFO] [stdout]     |                   help: consider borrowing to avoid moving into the for loop: `&letters`
[INFO] [stdout] 5   |         println!("{}", letter);
[INFO] [stdout] 6   |         letters.push(letter.clone());
[INFO] [stdout]     |         ^^^^^^^ value borrowed here after move
[INFO] [stdout]     |
[INFO] [stdout] note: this function takes ownership of the receiver `self`, which moves `letters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "437e02b6c518e9eaa9d5b9c8acc48c75cd9d06e72f380b38690284cf48baeaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437e02b6c518e9eaa9d5b9c8acc48c75cd9d06e72f380b38690284cf48baeaf6", kill_on_drop: false }`
[INFO] [stdout] 437e02b6c518e9eaa9d5b9c8acc48c75cd9d06e72f380b38690284cf48baeaf6
