[INFO] cloning repository https://github.com/rose2221/Rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rose2221/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frose2221%2FRustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frose2221%2FRustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f7caf6d4143fb68ba4ed19c19f0a06ac8ef8589
[INFO] testing rose2221/Rustlings against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frose2221%2FRustlings" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rose2221/Rustlings
[INFO] finished tweaking git repo https://github.com/rose2221/Rustlings
[INFO] tweaked toml for git repo https://github.com/rose2221/Rustlings written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rose2221/Rustlings on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rose2221/Rustlings 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4311a1954e4a2505bb47fa433357cf0780c59429c2930710fff91b171e62a539
[INFO] running `Command { std: "docker" "start" "-a" "4311a1954e4a2505bb47fa433357cf0780c59429c2930710fff91b171e62a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4311a1954e4a2505bb47fa433357cf0780c59429c2930710fff91b171e62a539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4311a1954e4a2505bb47fa433357cf0780c59429c2930710fff91b171e62a539", kill_on_drop: false }`
[INFO] [stdout] 4311a1954e4a2505bb47fa433357cf0780c59429c2930710fff91b171e62a539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 338ad15130d4e9c7f7c69e0ec482456f4ea15c38f264caeaf57c9a858cad91f9
[INFO] running `Command { std: "docker" "start" "-a" "338ad15130d4e9c7f7c69e0ec482456f4ea15c38f264caeaf57c9a858cad91f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling new_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `prinln` in this scope
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     prinln!(the word is {}, s);
[INFO] [stdout]    |     ^^^^^^ help: a macro with a similar name exists: `println`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/macros.rs:138:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named macro `println` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if(item == b' '){
[INFO] [stdout]    |           ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         if(item == b' '){
[INFO] [stdout] 35 +         if item == b' ' {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn first_word(s: &String) -> &str{
[INFO] [stdout]    |    ----------                ^^^^ expected `&str`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 39 |         &s[..];
[INFO] [stdout]    |               - help: remove this semicolon to return this value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `new_hello` (bin "new_hello") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "338ad15130d4e9c7f7c69e0ec482456f4ea15c38f264caeaf57c9a858cad91f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338ad15130d4e9c7f7c69e0ec482456f4ea15c38f264caeaf57c9a858cad91f9", kill_on_drop: false }`
[INFO] [stdout] 338ad15130d4e9c7f7c69e0ec482456f4ea15c38f264caeaf57c9a858cad91f9