[INFO] fetching crate oozie 0.1.2...
[INFO] checking oozie-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate oozie 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate oozie 0.1.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oozie 0.1.2
[INFO] finished tweaking crates.io crate oozie 0.1.2
[INFO] tweaked toml for crates.io crate oozie 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f943f6d59da62e221a712279b34355d0dc41f3df044b995bcfbc5b0dc81ec97
[INFO] running `Command { std: "docker" "start" "-a" "0f943f6d59da62e221a712279b34355d0dc41f3df044b995bcfbc5b0dc81ec97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f943f6d59da62e221a712279b34355d0dc41f3df044b995bcfbc5b0dc81ec97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f943f6d59da62e221a712279b34355d0dc41f3df044b995bcfbc5b0dc81ec97", kill_on_drop: false }`
[INFO] [stdout] 0f943f6d59da62e221a712279b34355d0dc41f3df044b995bcfbc5b0dc81ec97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c28206b1fd90f2b95f6ce3d3f263317340f064d528a6e3f41380886049fb98df
[INFO] running `Command { std: "docker" "start" "-a" "c28206b1fd90f2b95f6ce3d3f263317340f064d528a6e3f41380886049fb98df", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking oozie v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/recommender.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 | /         /// Predicts the rating for an user and item averaging the ratings of the
[INFO] [stdout] 384 | |         /// k items most similar to the item rated by the user.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 385 |           let mut total_sim: f64 = 0.0;
[INFO] [stdout]     |           ----------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/recommender.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 | /         /// Predicts the rating for an user and item averaging the ratings of the
[INFO] [stdout] 384 | |         /// k items most similar to the item rated by the user.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 385 |           let mut total_sim: f64 = 0.0;
[INFO] [stdout]     |           ----------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]  --> benches/oozie.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{thread_rng, sample};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |         data_handler.get_user_ratings(*sample(&mut rng, &user_ids, 1)[0])
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 |         data_handler.get_item_ratings(*sample(&mut rng, &item_ids, 1)[0])
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let item_id = *sample(&mut rng, &item_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let item_id = *sample(&mut rng, &item_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]   --> benches/oozie.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let item_id = *sample(&mut rng, &item_ids, 1)[0];
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> benches/oozie.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> benches/oozie.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let item_id = *sample(&mut rng, &item_ids, 1)[0];
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> benches/oozie.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter
[INFO] [stdout]    --> benches/oozie.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let user_id = *sample(&mut rng, &user_ids, 1)[0];
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "c28206b1fd90f2b95f6ce3d3f263317340f064d528a6e3f41380886049fb98df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28206b1fd90f2b95f6ce3d3f263317340f064d528a6e3f41380886049fb98df", kill_on_drop: false }`
[INFO] [stdout] c28206b1fd90f2b95f6ce3d3f263317340f064d528a6e3f41380886049fb98df