[INFO] cloning repository https://github.com/daraghk/decision-tree-learner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daraghk/decision-tree-learner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraghk%2Fdecision-tree-learner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraghk%2Fdecision-tree-learner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8df3c93a2e9726926e3ee051accaba8dbca58c81
[INFO] checking daraghk/decision-tree-learner/8df3c93a2e9726926e3ee051accaba8dbca58c81 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraghk%2Fdecision-tree-learner" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daraghk/decision-tree-learner on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daraghk/decision-tree-learner
[INFO] finished tweaking git repo https://github.com/daraghk/decision-tree-learner
[INFO] tweaked toml for git repo https://github.com/daraghk/decision-tree-learner written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/daraghk/decision-tree-learner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-5-tc1/source/main/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arff v0.3.0
[INFO] [stderr]   Downloaded half v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2fc03ba94d9bfc793f48b69a30fe2f32d052dbbc6aab2970786041b43b700e3
[INFO] running `Command { std: "docker" "start" "-a" "c2fc03ba94d9bfc793f48b69a30fe2f32d052dbbc6aab2970786041b43b700e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fc03ba94d9bfc793f48b69a30fe2f32d052dbbc6aab2970786041b43b700e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fc03ba94d9bfc793f48b69a30fe2f32d052dbbc6aab2970786041b43b700e3", kill_on_drop: false }`
[INFO] [stdout] c2fc03ba94d9bfc793f48b69a30fe2f32d052dbbc6aab2970786041b43b700e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb196c1e2d6bc26b970879e59ba1201f4c194fe01b221bbeb336c9fe268da27
[INFO] running `Command { std: "docker" "start" "-a" "fdb196c1e2d6bc26b970879e59ba1201f4c194fe01b221bbeb336c9fe268da27", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/main/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking arff v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking multi-target-decision-tree v0.1.0 (/opt/rustwide/workdir/multi-target-decision-tree)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking multi-target-grad-boost v0.1.0 (/opt/rustwide/workdir/multi-target-grad-boost)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> multi-target-grad-boost/src/ensembles/./MultiClassBoosting/AMGBoost/amg_boost_predict_functions.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut sum_of_leaf_outputs = initial_guess.clone().to_owned();
[INFO] [stdout]    |                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[f64]` does not implement `Clone`, so calling `clone` on `&[f64]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> multi-target-grad-boost/src/ensembles/common_boosting_functions.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut sum_of_leaf_outputs = initial_guess.clone().to_owned();
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[f64]` does not implement `Clone`, so calling `clone` on `&[f64]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> multi-target-grad-boost/src/ensembles/./MultiClassBoosting/AMGBoost/amg_boost_predict_functions.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut sum_of_leaf_outputs = initial_guess.clone().to_owned();
[INFO] [stdout]    |                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[f64]` does not implement `Clone`, so calling `clone` on `&[f64]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> multi-target-grad-boost/src/ensembles/common_boosting_functions.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut sum_of_leaf_outputs = initial_guess.clone().to_owned();
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[f64]` does not implement `Clone`, so calling `clone` on `&[f64]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "fdb196c1e2d6bc26b970879e59ba1201f4c194fe01b221bbeb336c9fe268da27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb196c1e2d6bc26b970879e59ba1201f4c194fe01b221bbeb336c9fe268da27", kill_on_drop: false }`
[INFO] [stdout] fdb196c1e2d6bc26b970879e59ba1201f4c194fe01b221bbeb336c9fe268da27