[INFO] fetching crate linreg 0.2.0...
[INFO] testing linreg-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate linreg 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate linreg 0.2.0
[INFO] finished tweaking crates.io crate linreg 0.2.0
[INFO] tweaked toml for crates.io crate linreg 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linreg 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding displaydoc v0.1.7 (available: v0.2.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5688294f94c8d71234ad053e726552c770e8fe3cfa795306245af46538e14088
[INFO] running `Command { std: "docker" "start" "-a" "5688294f94c8d71234ad053e726552c770e8fe3cfa795306245af46538e14088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5688294f94c8d71234ad053e726552c770e8fe3cfa795306245af46538e14088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5688294f94c8d71234ad053e726552c770e8fe3cfa795306245af46538e14088", kill_on_drop: false }`
[INFO] [stdout] 5688294f94c8d71234ad053e726552c770e8fe3cfa795306245af46538e14088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2875b85d345d6ac6b0061ff221ddacc5608b233702f9c5050973623201ec1ba
[INFO] running `Command { std: "docker" "start" "-a" "e2875b85d345d6ac6b0061ff221ddacc5608b233702f9c5050973623201ec1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling linreg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Copy, Clone, Display, Debug, PartialEq)]
[INFO] [stdout]    |                       ^------
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `Display` is not local
[INFO] [stdout]    |                       move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error`
[INFO] [stdout] 53 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Display` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Display` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e2875b85d345d6ac6b0061ff221ddacc5608b233702f9c5050973623201ec1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2875b85d345d6ac6b0061ff221ddacc5608b233702f9c5050973623201ec1ba", kill_on_drop: false }`
[INFO] [stdout] e2875b85d345d6ac6b0061ff221ddacc5608b233702f9c5050973623201ec1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5af82ae0a050961915d2857b8e5eaabddbc71ba1574f08135d4be8a9ea06811a
[INFO] running `Command { std: "docker" "start" "-a" "5af82ae0a050961915d2857b8e5eaabddbc71ba1574f08135d4be8a9ea06811a", kill_on_drop: false }`
[INFO] [stderr]    Compiling linreg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Copy, Clone, Display, Debug, PartialEq)]
[INFO] [stdout]    |                       ^------
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `Display` is not local
[INFO] [stdout]    |                       move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error`
[INFO] [stdout] 53 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Display` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Display` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(Copy, Clone, Display, Debug, PartialEq)]
[INFO] [stdout]    |                       ^------
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `Display` is not local
[INFO] [stdout]    |                       move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error`
[INFO] [stdout] 53 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Display` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Display` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "5af82ae0a050961915d2857b8e5eaabddbc71ba1574f08135d4be8a9ea06811a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af82ae0a050961915d2857b8e5eaabddbc71ba1574f08135d4be8a9ea06811a", kill_on_drop: false }`
[INFO] [stdout] 5af82ae0a050961915d2857b8e5eaabddbc71ba1574f08135d4be8a9ea06811a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07f9c6d65ed6840c2833c4cd5b52cafe60e373f512640981539bc03d8c7878ec
[INFO] running `Command { std: "docker" "start" "-a" "07f9c6d65ed6840c2833c4cd5b52cafe60e373f512640981539bc03d8c7878ec", kill_on_drop: false }`
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/lib.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[derive(Copy, Clone, Display, Debug, PartialEq)]
[INFO] [stderr]    |                       ^------
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       `Display` is not local
[INFO] [stderr]    |                       move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error`
[INFO] [stderr] 53 | pub enum Error {
[INFO] [stderr]    |          ----- `Error` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Display` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = note: the derive macro `Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc`
[INFO] [stderr]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `Display` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `linreg` (lib) generated 1 warning
[INFO] [stderr] warning: `linreg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linreg-4331885cee5b0a5c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::float_slices_regression ... ok
[INFO] [stdout] test tests::int_slices_regression ... ok
[INFO] [stdout] test tests::int_tuples_regression ... ok
[INFO] [stdout] test tests::float_tuples_regression ... ok
[INFO] [stdout] test tests::lin_reg_imprecises_vs_linreg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linreg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07f9c6d65ed6840c2833c4cd5b52cafe60e373f512640981539bc03d8c7878ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f9c6d65ed6840c2833c4cd5b52cafe60e373f512640981539bc03d8c7878ec", kill_on_drop: false }`
[INFO] [stdout] 07f9c6d65ed6840c2833c4cd5b52cafe60e373f512640981539bc03d8c7878ec