[INFO] cloning repository https://github.com/jcaromiq/codewars-katas-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcaromiq/codewars-katas-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaromiq%2Fcodewars-katas-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaromiq%2Fcodewars-katas-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8ad18b1aaf7bcfc139be4c853f2964762b490fd
[INFO] testing jcaromiq/codewars-katas-rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaromiq%2Fcodewars-katas-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcaromiq/codewars-katas-rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcaromiq/codewars-katas-rust
[INFO] finished tweaking git repo https://github.com/jcaromiq/codewars-katas-rust
[INFO] tweaked toml for git repo https://github.com/jcaromiq/codewars-katas-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jcaromiq/codewars-katas-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12b7df1838894bc76716ea35281830d7137a09c01a806289daaf4b6db27b6432
[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" "12b7df1838894bc76716ea35281830d7137a09c01a806289daaf4b6db27b6432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12b7df1838894bc76716ea35281830d7137a09c01a806289daaf4b6db27b6432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b7df1838894bc76716ea35281830d7137a09c01a806289daaf4b6db27b6432", kill_on_drop: false }`
[INFO] [stdout] 12b7df1838894bc76716ea35281830d7137a09c01a806289daaf4b6db27b6432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 6993ac9e39a7f84c0024dab0297d38dc1fbda4c43f4518cfe92304935cdc5c2c
[INFO] running `Command { std: "docker" "start" "-a" "6993ac9e39a7f84c0024dab0297d38dc1fbda4c43f4518cfe92304935cdc5c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/mexican_wave.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |             .map(|(i, c)| {
[INFO] [stdout]   |                   ^^^^^-
[INFO] [stdout]   |                   |    |
[INFO] [stdout]   |                   |    expected due to this
[INFO] [stdout]   |                   expected `char`, found tuple
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected type `char`
[INFO] [stdout]             found tuple `(_, _)`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codewars`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6993ac9e39a7f84c0024dab0297d38dc1fbda4c43f4518cfe92304935cdc5c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6993ac9e39a7f84c0024dab0297d38dc1fbda4c43f4518cfe92304935cdc5c2c", kill_on_drop: false }`
[INFO] [stdout] 6993ac9e39a7f84c0024dab0297d38dc1fbda4c43f4518cfe92304935cdc5c2c