[INFO] cloning repository https://github.com/humpangle/exercism-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/humpangle/exercism-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhumpangle%2Fexercism-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhumpangle%2Fexercism-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c80175abd69b62035fb7f506afcd89a53e784852
[INFO] checking humpangle/exercism-solutions against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhumpangle%2Fexercism-solutions" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/humpangle/exercism-solutions on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/humpangle/exercism-solutions
[INFO] finished tweaking git repo https://github.com/humpangle/exercism-solutions
[INFO] tweaked toml for git repo https://github.com/humpangle/exercism-solutions written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/humpangle/exercism-solutions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 5d2ce33ee48b75021d90f6beb46273eb9001e706740ab62cad87250b47218bca
[INFO] running `Command { std: "docker" "start" "-a" "5d2ce33ee48b75021d90f6beb46273eb9001e706740ab62cad87250b47218bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2ce33ee48b75021d90f6beb46273eb9001e706740ab62cad87250b47218bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2ce33ee48b75021d90f6beb46273eb9001e706740ab62cad87250b47218bca", kill_on_drop: false }`
[INFO] [stdout] 5d2ce33ee48b75021d90f6beb46273eb9001e706740ab62cad87250b47218bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66269ac72013119c394564d2056b70edb4d9878df05eece1b24bba81323bc96f
[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" "66269ac72013119c394564d2056b70edb4d9878df05eece1b24bba81323bc96f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking nth_prime v1.0.0 (/opt/rustwide/workdir/rust/nth-prime)
[INFO] [stderr]     Checking run-length-encoding v1.1.0 (/opt/rustwide/workdir/rust/run-length-encoding)
[INFO] [stderr]     Checking simple_linked_list v0.1.0 (/opt/rustwide/workdir/rust/simple-linked-list)
[INFO] [stderr]     Checking proverb v0.0.0 (/opt/rustwide/workdir/rust/proverb)
[INFO] [stderr]     Checking hello-world v1.1.0 (/opt/rustwide/workdir/rust/hello-world)
[INFO] [stderr]     Checking leap v1.0.0 (/opt/rustwide/workdir/rust/leap)
[INFO] [stderr]     Checking pythagorean_triplet v0.0.0 (/opt/rustwide/workdir/rust/pythagorean-triplet)
[INFO] [stderr]     Checking diffie-hellman v0.1.0 (/opt/rustwide/workdir/rust/diffie-hellman)
[INFO] [stderr]     Checking prime_factors v1.1.0 (/opt/rustwide/workdir/rust/prime-factors)
[INFO] [stderr]     Checking hamming v0.0.0 (/opt/rustwide/workdir/rust/hamming)
[INFO] [stderr]     Checking perfect_numbers v1.1.0 (/opt/rustwide/workdir/rust/perfect-numbers)
[INFO] [stderr]     Checking armstrong_numbers v1.0.0 (/opt/rustwide/workdir/rust/armstrong-numbers)
[INFO] [stderr]     Checking clock v1.0.0 (/opt/rustwide/workdir/rust/clock)
[INFO] [stderr]     Checking saddle-points v1.1.0 (/opt/rustwide/workdir/rust/saddle-points)
[INFO] [stderr]     Checking grains v1.1.0 (/opt/rustwide/workdir/rust/grains)
[INFO] [stderr]     Checking series v0.1.0 (/opt/rustwide/workdir/rust/series)
[INFO] [stderr]     Checking bob v1.2.0 (/opt/rustwide/workdir/rust/bob)
[INFO] [stderr]     Checking twofer v1.2.0 (/opt/rustwide/workdir/rust/twofer)
[INFO] [stderr]     Checking raindrops v1.1.0 (/opt/rustwide/workdir/rust/raindrops)
[INFO] [stderr]     Checking beer-song v0.0.0 (/opt/rustwide/workdir/rust/beer-song)
[INFO] [stderr]     Checking sum-of-multiples v1.0.0 (/opt/rustwide/workdir/rust/sum-of-multiples)
[INFO] [stderr]     Checking collatz_conjecture v1.2.0 (/opt/rustwide/workdir/rust/collatz-conjecture)
[INFO] [stderr]     Checking isbn-verifier v1.1.0 (/opt/rustwide/workdir/rust/isbn-verifier)
[INFO] [stderr]     Checking say v1.1.0 (/opt/rustwide/workdir/rust/say)
[INFO] [stderr]     Checking isogram v1.3.0 (/opt/rustwide/workdir/rust/isogram)
[INFO] [stderr]     Checking difference-of-squares v1.2.0 (/opt/rustwide/workdir/rust/difference-of-squares)
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking reverse_string v1.0.0 (/opt/rustwide/workdir/rust/reverse-string)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> rust/simple-linked-list/tests/simple-linked-list.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut list = SimpleLinkedList::from(array.as_ref());
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^ expected struct `SimpleLinkedList`, found `&[&str]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `SimpleLinkedList<_>`
[INFO] [stdout]            found reference `&[&str]`
[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 `simple_linked_list`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66269ac72013119c394564d2056b70edb4d9878df05eece1b24bba81323bc96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66269ac72013119c394564d2056b70edb4d9878df05eece1b24bba81323bc96f", kill_on_drop: false }`
[INFO] [stdout] 66269ac72013119c394564d2056b70edb4d9878df05eece1b24bba81323bc96f