[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] testing humpangle/exercism-solutions against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhumpangle%2Fexercism-solutions" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/humpangle/exercism-solutions on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bb1b3c24b23eb543fcbc57db74ee27e61ac59cc6b5b3177781702da9edeba93
[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" "6bb1b3c24b23eb543fcbc57db74ee27e61ac59cc6b5b3177781702da9edeba93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb1b3c24b23eb543fcbc57db74ee27e61ac59cc6b5b3177781702da9edeba93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb1b3c24b23eb543fcbc57db74ee27e61ac59cc6b5b3177781702da9edeba93", kill_on_drop: false }`
[INFO] [stdout] 6bb1b3c24b23eb543fcbc57db74ee27e61ac59cc6b5b3177781702da9edeba93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89843acd2c2bb3e1b067c8a5d9da335780d8f8a7194731b22170150aa335a809
[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" "89843acd2c2bb3e1b067c8a5d9da335780d8f8a7194731b22170150aa335a809", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `main` in package `run-length-encoding v1.1.0 (/opt/rustwide/workdir/rust/run-length-encoding)` has the same output filename as the bin target `main` in package `nth_prime v1.0.0 (/opt/rustwide/workdir/rust/nth-prime)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling nth_prime v1.0.0 (/opt/rustwide/workdir/rust/nth-prime)
[INFO] [stderr]    Compiling run-length-encoding v1.1.0 (/opt/rustwide/workdir/rust/run-length-encoding)
[INFO] [stderr]    Compiling sum-of-multiples v1.0.0 (/opt/rustwide/workdir/rust/sum-of-multiples)
[INFO] [stderr]    Compiling proverb v0.0.0 (/opt/rustwide/workdir/rust/proverb)
[INFO] [stderr]    Compiling prime_factors v1.1.0 (/opt/rustwide/workdir/rust/prime-factors)
[INFO] [stderr]    Compiling bob v1.2.0 (/opt/rustwide/workdir/rust/bob)
[INFO] [stderr]    Compiling grains v1.1.0 (/opt/rustwide/workdir/rust/grains)
[INFO] [stderr]    Compiling twofer v1.2.0 (/opt/rustwide/workdir/rust/twofer)
[INFO] [stderr]    Compiling isbn-verifier v1.1.0 (/opt/rustwide/workdir/rust/isbn-verifier)
[INFO] [stderr]    Compiling saddle-points v1.1.0 (/opt/rustwide/workdir/rust/saddle-points)
[INFO] [stderr]    Compiling raindrops v1.1.0 (/opt/rustwide/workdir/rust/raindrops)
[INFO] [stderr]    Compiling isogram v1.3.0 (/opt/rustwide/workdir/rust/isogram)
[INFO] [stderr]    Compiling collatz_conjecture v1.2.0 (/opt/rustwide/workdir/rust/collatz-conjecture)
[INFO] [stderr]    Compiling simple_linked_list v0.1.0 (/opt/rustwide/workdir/rust/simple-linked-list)
[INFO] [stderr]    Compiling say v1.1.0 (/opt/rustwide/workdir/rust/say)
[INFO] [stderr]    Compiling hamming v0.0.0 (/opt/rustwide/workdir/rust/hamming)
[INFO] [stderr]    Compiling pythagorean_triplet v0.0.0 (/opt/rustwide/workdir/rust/pythagorean-triplet)
[INFO] [stderr]    Compiling armstrong_numbers v1.0.0 (/opt/rustwide/workdir/rust/armstrong-numbers)
[INFO] [stderr]    Compiling perfect_numbers v1.1.0 (/opt/rustwide/workdir/rust/perfect-numbers)
[INFO] [stderr]    Compiling leap v1.0.0 (/opt/rustwide/workdir/rust/leap)
[INFO] [stderr]    Compiling hello-world v1.1.0 (/opt/rustwide/workdir/rust/hello-world)
[INFO] [stderr]    Compiling series v0.1.0 (/opt/rustwide/workdir/rust/series)
[INFO] [stderr]    Compiling beer-song v0.0.0 (/opt/rustwide/workdir/rust/beer-song)
[INFO] [stderr]    Compiling clock v1.0.0 (/opt/rustwide/workdir/rust/clock)
[INFO] [stderr]    Compiling difference-of-squares v1.2.0 (/opt/rustwide/workdir/rust/difference-of-squares)
[INFO] [stderr]    Compiling diffie-hellman v0.1.0 (/opt/rustwide/workdir/rust/diffie-hellman)
[INFO] [stderr]    Compiling reverse_string v1.0.0 (/opt/rustwide/workdir/rust/reverse-string)
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling gigasecond v1.1.0 (/opt/rustwide/workdir/rust/gigasecond)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "89843acd2c2bb3e1b067c8a5d9da335780d8f8a7194731b22170150aa335a809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89843acd2c2bb3e1b067c8a5d9da335780d8f8a7194731b22170150aa335a809", kill_on_drop: false }`
[INFO] [stdout] 89843acd2c2bb3e1b067c8a5d9da335780d8f8a7194731b22170150aa335a809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00a6ca3975efcd6fb05a86d089011a96ce4c9e00d1655c4413af049ab5884784
[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" "00a6ca3975efcd6fb05a86d089011a96ce4c9e00d1655c4413af049ab5884784", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `main` in package `run-length-encoding v1.1.0 (/opt/rustwide/workdir/rust/run-length-encoding)` has the same output filename as the bin target `main` in package `nth_prime v1.0.0 (/opt/rustwide/workdir/rust/nth-prime)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling perfect_numbers v1.1.0 (/opt/rustwide/workdir/rust/perfect-numbers)
[INFO] [stderr]    Compiling run-length-encoding v1.1.0 (/opt/rustwide/workdir/rust/run-length-encoding)
[INFO] [stderr]    Compiling clock v1.0.0 (/opt/rustwide/workdir/rust/clock)
[INFO] [stderr]    Compiling beer-song v0.0.0 (/opt/rustwide/workdir/rust/beer-song)
[INFO] [stderr]    Compiling armstrong_numbers v1.0.0 (/opt/rustwide/workdir/rust/armstrong-numbers)
[INFO] [stderr]    Compiling hamming v0.0.0 (/opt/rustwide/workdir/rust/hamming)
[INFO] [stderr]    Compiling raindrops v1.1.0 (/opt/rustwide/workdir/rust/raindrops)
[INFO] [stderr]    Compiling difference-of-squares v1.2.0 (/opt/rustwide/workdir/rust/difference-of-squares)
[INFO] [stderr]    Compiling simple_linked_list v0.1.0 (/opt/rustwide/workdir/rust/simple-linked-list)
[INFO] [stderr]    Compiling twofer v1.2.0 (/opt/rustwide/workdir/rust/twofer)
[INFO] [stderr]    Compiling hello-world v1.1.0 (/opt/rustwide/workdir/rust/hello-world)
[INFO] [stderr]    Compiling pythagorean_triplet v0.0.0 (/opt/rustwide/workdir/rust/pythagorean-triplet)
[INFO] [stderr]    Compiling saddle-points v1.1.0 (/opt/rustwide/workdir/rust/saddle-points)
[INFO] [stderr]    Compiling isogram v1.3.0 (/opt/rustwide/workdir/rust/isogram)
[INFO] [stderr]    Compiling diffie-hellman v0.1.0 (/opt/rustwide/workdir/rust/diffie-hellman)
[INFO] [stderr]    Compiling proverb v0.0.0 (/opt/rustwide/workdir/rust/proverb)
[INFO] [stderr]    Compiling leap v1.0.0 (/opt/rustwide/workdir/rust/leap)
[INFO] [stderr]    Compiling nth_prime v1.0.0 (/opt/rustwide/workdir/rust/nth-prime)
[INFO] [stderr]    Compiling series v0.1.0 (/opt/rustwide/workdir/rust/series)
[INFO] [stderr]    Compiling sum-of-multiples v1.0.0 (/opt/rustwide/workdir/rust/sum-of-multiples)
[INFO] [stderr]    Compiling collatz_conjecture v1.2.0 (/opt/rustwide/workdir/rust/collatz-conjecture)
[INFO] [stderr]    Compiling grains v1.1.0 (/opt/rustwide/workdir/rust/grains)
[INFO] [stderr]    Compiling prime_factors v1.1.0 (/opt/rustwide/workdir/rust/prime-factors)
[INFO] [stderr]    Compiling bob v1.2.0 (/opt/rustwide/workdir/rust/bob)
[INFO] [stderr]    Compiling say v1.1.0 (/opt/rustwide/workdir/rust/say)
[INFO] [stderr]    Compiling isbn-verifier v1.1.0 (/opt/rustwide/workdir/rust/isbn-verifier)
[INFO] [stderr]    Compiling 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" "00a6ca3975efcd6fb05a86d089011a96ce4c9e00d1655c4413af049ab5884784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a6ca3975efcd6fb05a86d089011a96ce4c9e00d1655c4413af049ab5884784", kill_on_drop: false }`
[INFO] [stdout] 00a6ca3975efcd6fb05a86d089011a96ce4c9e00d1655c4413af049ab5884784