[INFO] fetching crate easy-ml 1.3.1...
[INFO] checking easy-ml-1.3.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate easy-ml 1.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate easy-ml 1.3.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy-ml 1.3.1
[INFO] finished tweaking crates.io crate easy-ml 1.3.1
[INFO] tweaked toml for crates.io crate easy-ml 1.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8be70fdc853b48dc20162919c6374d93e2a17ff3298756b2004007b3fd07ff4b
[INFO] running `Command { std: "docker" "start" "-a" "8be70fdc853b48dc20162919c6374d93e2a17ff3298756b2004007b3fd07ff4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be70fdc853b48dc20162919c6374d93e2a17ff3298756b2004007b3fd07ff4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be70fdc853b48dc20162919c6374d93e2a17ff3298756b2004007b3fd07ff4b", kill_on_drop: false }`
[INFO] [stdout] 8be70fdc853b48dc20162919c6374d93e2a17ff3298756b2004007b3fd07ff4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e21e965ca7522a0b77e634d5cfc64cc382de6bbcae7228810978d994a9966fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e21e965ca7522a0b77e634d5cfc64cc382de6bbcae7228810978d994a9966fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking drawille v0.2.3
[INFO] [stderr]     Checking easy-ml v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textplots v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/differentiation_nn.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 | /             Shape::Lines(&losses.iter()
[INFO] [stdout] 94 | |                 .cloned()
[INFO] [stdout] 95 | |                 .enumerate()
[INFO] [stdout] 96 | |                 .map(|(i, x)| (i as f32, x))
[INFO] [stdout] 97 | |                 .collect::<Vec<(f32, f32)>>())
[INFO] [stdout]    | |______________________________________________^ expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]    |
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 93 |             &Shape::Lines(&losses.iter()
[INFO] [stdout] 94 |                 .cloned()
[INFO] [stdout] 95 |                 .enumerate()
[INFO] [stdout] 96 |                 .map(|(i, x)| (i as f32, x))
[INFO] [stdout] 97 |                 .collect::<Vec<(f32, f32)>>())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `easy-ml`.
[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] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |             .lineplot(Shape::Lines(&merge_for_plotting(&x, &y)))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                       help: consider borrowing here: `&Shape::Lines(&merge_for_plotting(&x, &y))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:133:23
[INFO] [stdout]     |
[INFO] [stdout] 133 |             .lineplot(Shape::Points(&sort_and_merge_for_plotting(&observations, &targets)))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                       help: consider borrowing here: `&Shape::Points(&sort_and_merge_for_plotting(&observations, &targets))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:163:24
[INFO] [stdout]     |
[INFO] [stdout] 163 |         chart.lineplot(Shape::Lines(&merge_for_plotting(&x, &y)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                        help: consider borrowing here: `&Shape::Lines(&merge_for_plotting(&x, &y))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |               chart.lineplot(Shape::Lines(&merge_for_plotting(
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 168 | |                 &x,
[INFO] [stdout] 169 | |                 &Matrix::column(predicted_targets.column_iter(i).collect()))));
[INFO] [stdout]     | |_____________________________________________________________________________^ expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 167 |             chart.lineplot(&Shape::Lines(&merge_for_plotting(
[INFO] [stdout] 168 |                 &x,
[INFO] [stdout] 169 |                 &Matrix::column(predicted_targets.column_iter(i).collect()))));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |         chart.lineplot(Shape::Points(&split_for_plotting(&weights)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                        help: consider borrowing here: `&Shape::Points(&split_for_plotting(&weights))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:203:27
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 .lineplot(Shape::Points(&sort_and_merge_for_plotting(&observations_n, &targets_n)))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                           help: consider borrowing here: `&Shape::Points(&sort_and_merge_for_plotting(&observations_n, &targets_n))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:230:28
[INFO] [stdout]     |
[INFO] [stdout] 230 |             chart.lineplot(Shape::Lines(&merge_for_plotting(&x, &y)));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                            help: consider borrowing here: `&Shape::Lines(&merge_for_plotting(&x, &y))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:234:32
[INFO] [stdout]     |
[INFO] [stdout] 234 |                   chart.lineplot(Shape::Lines(&merge_for_plotting(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 235 | |                     &x,
[INFO] [stdout] 236 | |                     &Matrix::column(predicted_targets.column_iter(i).collect()))));
[INFO] [stdout]     | |_________________________________________________________________________________^ expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 chart.lineplot(&Shape::Lines(&merge_for_plotting(
[INFO] [stdout] 235 |                     &x,
[INFO] [stdout] 236 |                     &Matrix::column(predicted_targets.column_iter(i).collect()))));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/bayesian_regression.rs:245:28
[INFO] [stdout]     |
[INFO] [stdout] 245 |             chart.lineplot(Shape::Points(&split_for_plotting(&weights)));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected `&Shape<'_>`, found enum `Shape`
[INFO] [stdout]     |                            help: consider borrowing here: `&Shape::Points(&split_for_plotting(&weights))`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e21e965ca7522a0b77e634d5cfc64cc382de6bbcae7228810978d994a9966fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e21e965ca7522a0b77e634d5cfc64cc382de6bbcae7228810978d994a9966fe", kill_on_drop: false }`
[INFO] [stdout] 7e21e965ca7522a0b77e634d5cfc64cc382de6bbcae7228810978d994a9966fe
