[INFO] fetching crate arche-tape 0.1.2...
[INFO] checking arche-tape-0.1.2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate arche-tape 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arche-tape 0.1.2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arche-tape 0.1.2
[INFO] finished tweaking crates.io crate arche-tape 0.1.2
[INFO] tweaked toml for crates.io crate arche-tape 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65f3a257f4ff274a4ec8d092799d1831d01d0816b0e5e6642af9dcf17601be01
[INFO] running `Command { std: "docker" "start" "-a" "65f3a257f4ff274a4ec8d092799d1831d01d0816b0e5e6642af9dcf17601be01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f3a257f4ff274a4ec8d092799d1831d01d0816b0e5e6642af9dcf17601be01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f3a257f4ff274a4ec8d092799d1831d01d0816b0e5e6642af9dcf17601be01", kill_on_drop: false }`
[INFO] [stdout] 65f3a257f4ff274a4ec8d092799d1831d01d0816b0e5e6642af9dcf17601be01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e44f3b180cb26c6913da4d283aa6569f1628631df2842357744b8a06280336a
[INFO] running `Command { std: "docker" "start" "-a" "6e44f3b180cb26c6913da4d283aa6569f1628631df2842357744b8a06280336a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking arche-tape v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_in_array_repeat_expressions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to causing promotable bugs
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsafe_cell_get_mut` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unsafe_cell_get_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stdout] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stdout]   --> src/sparse_array.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |             sparse.push(Some(Box::new([None; PAGE_SIZE])));
[INFO] [stdout]    |                                        ^^^^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `std::marker::Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: std::marker::Copy, const PAGE_SIZE: usize> SparseArray<T, PAGE_SIZE> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] help: consider creating a new `const` item and initializing it with the result of the constructor to be used in the repeat position
[INFO] [stdout]    |
[INFO] [stdout] 13 ~             const ARRAY_REPEAT_VALUE: Option<_> = None;
[INFO] [stdout] 14 ~             sparse.push(Some(Box::new([ARRAY_REPEAT_VALUE; PAGE_SIZE])));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stdout]   --> src/sparse_array.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |             *page = Some(Box::new([None; PAGE_SIZE]));
[INFO] [stdout]    |                                    ^^^^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `std::marker::Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: std::marker::Copy, const PAGE_SIZE: usize> SparseArray<T, PAGE_SIZE> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] help: consider creating a new `const` item and initializing it with the result of the constructor to be used in the repeat position
[INFO] [stdout]    |
[INFO] [stdout] 39 ~             const ARRAY_REPEAT_VALUE: Option<T> = None;
[INFO] [stdout] 40 ~             *page = Some(Box::new([ARRAY_REPEAT_VALUE; PAGE_SIZE]));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr] error: could not compile `arche-tape` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6e44f3b180cb26c6913da4d283aa6569f1628631df2842357744b8a06280336a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e44f3b180cb26c6913da4d283aa6569f1628631df2842357744b8a06280336a", kill_on_drop: false }`
[INFO] [stdout] 6e44f3b180cb26c6913da4d283aa6569f1628631df2842357744b8a06280336a
[INFO] checking arche-tape-0.1.2 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] extracting crate arche-tape 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate arche-tape 0.1.2 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arche-tape 0.1.2
[INFO] finished tweaking crates.io crate arche-tape 0.1.2
[INFO] tweaked toml for crates.io crate arche-tape 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49b3ff65f0da76b288f03866acc4b8daeca88ffde70d98b317f3a0029cfe1b87
[INFO] running `Command { std: "docker" "start" "-a" "49b3ff65f0da76b288f03866acc4b8daeca88ffde70d98b317f3a0029cfe1b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b3ff65f0da76b288f03866acc4b8daeca88ffde70d98b317f3a0029cfe1b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b3ff65f0da76b288f03866acc4b8daeca88ffde70d98b317f3a0029cfe1b87", kill_on_drop: false }`
[INFO] [stdout] 49b3ff65f0da76b288f03866acc4b8daeca88ffde70d98b317f3a0029cfe1b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e82ecb871b77ae93d8a6b09b7521f9fa55838652196c695f388a846287b83b3
[INFO] running `Command { std: "docker" "start" "-a" "3e82ecb871b77ae93d8a6b09b7521f9fa55838652196c695f388a846287b83b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking arche-tape v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_in_array_repeat_expressions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to causing promotable bugs
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsafe_cell_get_mut` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unsafe_cell_get_mut)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stdout] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stdout]   --> src/sparse_array.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |             sparse.push(Some(Box::new([None; PAGE_SIZE])));
[INFO] [stdout]    |                                        ^^^^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `std::marker::Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: std::marker::Copy, const PAGE_SIZE: usize> SparseArray<T, PAGE_SIZE> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] help: consider creating a new `const` item and initializing it with the result of the constructor to be used in the repeat position
[INFO] [stdout]    |
[INFO] [stdout] 13 ~             const ARRAY_REPEAT_VALUE: Option<_> = None;
[INFO] [stdout] 14 ~             sparse.push(Some(Box::new([ARRAY_REPEAT_VALUE; PAGE_SIZE])));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stdout]   --> src/sparse_array.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |             *page = Some(Box::new([None; PAGE_SIZE]));
[INFO] [stdout]    |                                    ^^^^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `std::marker::Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl<T: std::marker::Copy, const PAGE_SIZE: usize> SparseArray<T, PAGE_SIZE> {
[INFO] [stdout]    |       +++++++++++++++++++
[INFO] [stdout] help: consider creating a new `const` item and initializing it with the result of the constructor to be used in the repeat position
[INFO] [stdout]    |
[INFO] [stdout] 39 ~             const ARRAY_REPEAT_VALUE: Option<T> = None;
[INFO] [stdout] 40 ~             *page = Some(Box::new([ARRAY_REPEAT_VALUE; PAGE_SIZE]));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arche-tape` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e82ecb871b77ae93d8a6b09b7521f9fa55838652196c695f388a846287b83b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e82ecb871b77ae93d8a6b09b7521f9fa55838652196c695f388a846287b83b3", kill_on_drop: false }`
[INFO] [stdout] 3e82ecb871b77ae93d8a6b09b7521f9fa55838652196c695f388a846287b83b3
