[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#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Friptree" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  30% (11/36)   
Checking out files:  33% (12/36)   
Checking out files:  36% (13/36)   
Checking out files:  38% (14/36)   
Checking out files:  41% (15/36)   
Checking out files:  44% (16/36)   
Checking out files:  47% (17/36)   
Checking out files:  50% (18/36)   
Checking out files:  52% (19/36)   
Checking out files:  55% (20/36)   
Checking out files:  58% (21/36)   
Checking out files:  61% (22/36)   
Checking out files:  63% (23/36)   
Checking out files:  66% (24/36)   
Checking out files:  69% (25/36)   
Checking out files:  72% (26/36)   
Checking out files:  75% (27/36)   
Checking out files:  77% (28/36)   
Checking out files:  80% (29/36)   
Checking out files:  83% (30/36)   
Checking out files:  86% (31/36)   
Checking out files:  88% (32/36)   
Checking out files:  91% (33/36)   
Checking out files:  94% (34/36)   
Checking out files:  97% (35/36)   
Checking out files: 100% (36/36)   
Checking out files: 100% (36/36), done.
[INFO] validating manifest of git repo https://github.com/cpearce/riptree on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-6/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49be5b87859ced475fa8b48243e81c337195732c831a1bbd8fe4129e21771533
[INFO] running `"docker" "start" "-a" "49be5b87859ced475fa8b48243e81c337195732c831a1bbd8fe4129e21771533"`
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking itertools v0.6.1
[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" "49be5b87859ced475fa8b48243e81c337195732c831a1bbd8fe4129e21771533"`
[INFO] running `"docker" "rm" "-f" "49be5b87859ced475fa8b48243e81c337195732c831a1bbd8fe4129e21771533"`
[INFO] [stdout] 49be5b87859ced475fa8b48243e81c337195732c831a1bbd8fe4129e21771533
