[INFO] fetching crate oozie 0.1.2...
[INFO] testing oozie-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate oozie 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate oozie 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1f3739fc3fdd63dde840ae400d88a2ee02d67f8f9f6bf121a574285d289b0c
[INFO] running `Command { std: "docker" "start" "-a" "ef1f3739fc3fdd63dde840ae400d88a2ee02d67f8f9f6bf121a574285d289b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1f3739fc3fdd63dde840ae400d88a2ee02d67f8f9f6bf121a574285d289b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1f3739fc3fdd63dde840ae400d88a2ee02d67f8f9f6bf121a574285d289b0c", kill_on_drop: false }`
[INFO] [stdout] ef1f3739fc3fdd63dde840ae400d88a2ee02d67f8f9f6bf121a574285d289b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f6403716df527548ffeda9b8f9d73a26e98cda96281d827685519165e215d3
[INFO] running `Command { std: "docker" "start" "-a" "f7f6403716df527548ffeda9b8f9d73a26e98cda96281d827685519165e215d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "f7f6403716df527548ffeda9b8f9d73a26e98cda96281d827685519165e215d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f6403716df527548ffeda9b8f9d73a26e98cda96281d827685519165e215d3", kill_on_drop: false }`
[INFO] [stdout] f7f6403716df527548ffeda9b8f9d73a26e98cda96281d827685519165e215d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 249f866406fd731558749d295ec4a9133344990a5e06253eca16eab7d6623ff2
[INFO] running `Command { std: "docker" "start" "-a" "249f866406fd731558749d295ec4a9133344990a5e06253eca16eab7d6623ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "249f866406fd731558749d295ec4a9133344990a5e06253eca16eab7d6623ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249f866406fd731558749d295ec4a9133344990a5e06253eca16eab7d6623ff2", kill_on_drop: false }`
[INFO] [stdout] 249f866406fd731558749d295ec4a9133344990a5e06253eca16eab7d6623ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26fd8e2e332dbe8f50277399d356d49692956793c40656494a5bf2c086865f79
[INFO] running `Command { std: "docker" "start" "-a" "26fd8e2e332dbe8f50277399d356d49692956793c40656494a5bf2c086865f79", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/recommender.rs:383:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 383 | /         /// Predicts the rating for an user and item averaging the ratings of the
[INFO] [stdout] 
[INFO] [stderr] 384 | |         /// k items most similar to the item rated by the user.
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stdout] 
[INFO] [stderr] 385 |           let mut total_sim: f64 = 0.0;
[INFO] [stderr]     |           ----------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `oozie` (lib) generated 1 warning
[INFO] [stderr] warning: `oozie` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oozie-ccd25c69e41b6ffb)
[INFO] [stderr]    Doc-tests oozie
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26fd8e2e332dbe8f50277399d356d49692956793c40656494a5bf2c086865f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fd8e2e332dbe8f50277399d356d49692956793c40656494a5bf2c086865f79", kill_on_drop: false }`
[INFO] [stdout] 26fd8e2e332dbe8f50277399d356d49692956793c40656494a5bf2c086865f79