[INFO] updating cached repository https://github.com/cpearce/riptree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3be51b279633da0d85728c683fc634399a4fb6b2
[INFO] checking cpearce/riptree against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Friptree" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  38% (14/36)   
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[INFO] validating manifest of git repo https://github.com/cpearce/riptree on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cpearce/riptree
[INFO] finished tweaking git repo https://github.com/cpearce/riptree
[INFO] tweaked toml for git repo https://github.com/cpearce/riptree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cpearce/riptree already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a3c568185e8e691b6a58f483e63be4af7d7d14cc8b00ed45cdba6a14c9f6032e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a3c568185e8e691b6a58f483e63be4af7d7d14cc8b00ed45cdba6a14c9f6032e"`
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking riptree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:45
[INFO] [stderr]    |
[INFO] [stderr] 39 | ) -> Result<(HashMap<u32, u32>, usize), Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:145:54
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn mine_rip_tree(args: &Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:45
[INFO] [stderr]    |
[INFO] [stderr] 39 | ) -> Result<(HashMap<u32, u32>, usize), Box<Error>> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:145:54
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn mine_rip_tree(args: &Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 8 arguments but 4 arguments were supplied
[INFO] [stderr]    --> src/generate_rules.rs:332:21
[INFO] [stderr]     |
[INFO] [stderr] 163 | / pub fn generate_rules(
[INFO] [stderr] 164 | |     itemsets: &Vec<ItemSet>,
[INFO] [stderr] 165 | |     dataset_size: u32,
[INFO] [stderr] 166 | |     min_confidence: f64,
[INFO] [stderr] ...   |
[INFO] [stderr] 259 | |     family_wise_filtered_rules
[INFO] [stderr] 260 | | }
[INFO] [stderr]     | |_- defined here
[INFO] [stderr] ...
[INFO] [stderr] 332 |           let rules = super::generate_rules(&itemsets, transactions.len() as u32, 0.05, 1.0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ ---------  -------------------------  ----  --- supplied 4 arguments
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       expected 8 arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `riptree`.
[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 `"docker" "inspect" "a3c568185e8e691b6a58f483e63be4af7d7d14cc8b00ed45cdba6a14c9f6032e"`
[INFO] running `"docker" "rm" "-f" "a3c568185e8e691b6a58f483e63be4af7d7d14cc8b00ed45cdba6a14c9f6032e"`
[INFO] [stdout] a3c568185e8e691b6a58f483e63be4af7d7d14cc8b00ed45cdba6a14c9f6032e
