[INFO] cloning repository https://github.com/ryanthegentry/Rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanthegentry/Rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d77f264101a35c4fea194e0253e4ecad2ccb3c0 [INFO] checking ryanthegentry/Rustlings against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryanthegentry/Rustlings on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryanthegentry/Rustlings [INFO] finished tweaking git repo https://github.com/ryanthegentry/Rustlings [INFO] tweaked toml for git repo https://github.com/ryanthegentry/Rustlings written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ryanthegentry/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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded escargot v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c611e01094c64855b34ff2f2c049ad5c9867a7d502177fc210b2db81c13521c5 [INFO] running `Command { std: "docker" "start" "-a" "c611e01094c64855b34ff2f2c049ad5c9867a7d502177fc210b2db81c13521c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c611e01094c64855b34ff2f2c049ad5c9867a7d502177fc210b2db81c13521c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c611e01094c64855b34ff2f2c049ad5c9867a7d502177fc210b2db81c13521c5", kill_on_drop: false }` [INFO] [stdout] c611e01094c64855b34ff2f2c049ad5c9867a7d502177fc210b2db81c13521c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6dd77dc63ae50c7a5b5721d0eabb3e128c01d20a3e875e99bec11362f693d1e [INFO] running `Command { std: "docker" "start" "-a" "e6dd77dc63ae50c7a5b5721d0eabb3e128c01d20a3e875e99bec11362f693d1e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Checking tests_intro v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Intro) [INFO] [stderr] Checking errorsn v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors) [INFO] [stderr] Checking result1 v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Result) [INFO] [stderr] Checking times_two_tests v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests Test/Times Two Tests) [INFO] [stderr] Checking testing_task v0.1.0 (/opt/rustwide/workdir/Writing Automated Tests/Tests/Testing Task) [INFO] [stderr] Checking matching_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Matching Result) [INFO] [stderr] Checking returning_result v0.1.0 (/opt/rustwide/workdir/Recoverable and Unrecoverable Errors/Error Handling/Returning Result) [INFO] [stderr] Checking iterators4 v0.1.0 (/opt/rustwide/workdir/Iterators and Closures/Standard Library Types/Factorial) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> Iterators and Closures/Standard Library Types/Factorial/src/lib.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn factorial(num: u64) -> u64 { [INFO] [stdout] | --------- ^^^ expected `u64`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] help: consider returning the local binding `num` [INFO] [stdout] | [INFO] [stdout] 1 ~ pub fn factorial(num: u64) -> u64 { [INFO] [stdout] 2 + num [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `iterators4` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: expected identifier, found `>` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Multiple Errors/src/lib.rs:6:84 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_and_validate(b: &mut io::BufRead) -> Result { [INFO] [stdout] | ^ expected identifier [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `errorsn` (lib) due to 2 previous errors [INFO] [stdout] error[E0369]: cannot multiply `Result` by `{integer}` [INFO] [stdout] --> Recoverable and Unrecoverable Errors/Error Handling/Matching Result/src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | Ok(qty * cost_per_item + processing_fee) [INFO] [stdout] | --- ^ ------------- {integer} [INFO] [stdout] | | [INFO] [stdout] | Result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0369`. [INFO] [stdout] [INFO] [stderr] error: could not compile `matching_result` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e6dd77dc63ae50c7a5b5721d0eabb3e128c01d20a3e875e99bec11362f693d1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6dd77dc63ae50c7a5b5721d0eabb3e128c01d20a3e875e99bec11362f693d1e", kill_on_drop: false }` [INFO] [stdout] e6dd77dc63ae50c7a5b5721d0eabb3e128c01d20a3e875e99bec11362f693d1e [INFO] checking ryanthegentry/Rustlings against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanthegentry%2FRustlings" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryanthegentry/Rustlings on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryanthegentry/Rustlings [INFO] finished tweaking git repo https://github.com/ryanthegentry/Rustlings [INFO] tweaked toml for git repo https://github.com/ryanthegentry/Rustlings written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ryanthegentry/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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad9791e489f598a7d09d154f8b722c3fcf571f3a7d765b293d2a73c47c6e27df [INFO] running `Command { std: "docker" "start" "-a" "ad9791e489f598a7d09d154f8b722c3fcf571f3a7d765b293d2a73c47c6e27df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad9791e489f598a7d09d154f8b722c3fcf571f3a7d765b293d2a73c47c6e27df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad9791e489f598a7d09d154f8b722c3fcf571f3a7d765b293d2a73c47c6e27df", kill_on_drop: false }` [INFO] [stdout] ad9791e489f598a7d09d154f8b722c3fcf571f3a7d765b293d2a73c47c6e27df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fdfbc54501fe37012d6860bffa81d99acaf76a13a4a8ec356c33029e9a67430 [INFO] running `Command { std: "docker" "start" "-a" "7fdfbc54501fe37012d6860bffa81d99acaf76a13a4a8ec356c33029e9a67430", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "7fdfbc54501fe37012d6860bffa81d99acaf76a13a4a8ec356c33029e9a67430", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fdfbc54501fe37012d6860bffa81d99acaf76a13a4a8ec356c33029e9a67430", kill_on_drop: false }` [INFO] [stdout] 7fdfbc54501fe37012d6860bffa81d99acaf76a13a4a8ec356c33029e9a67430