[INFO] fetching crate memrange 0.1.3...
[INFO] checking memrange-0.1.3 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate memrange 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate memrange 0.1.3 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memrange 0.1.3
[INFO] finished tweaking crates.io crate memrange 0.1.3
[INFO] tweaked toml for crates.io crate memrange 0.1.3 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7611440c0c469d2a799c3606ba59c1a48f1611840c5a785b1c3438cf2432751
[INFO] running `Command { std: "docker" "start" "-a" "c7611440c0c469d2a799c3606ba59c1a48f1611840c5a785b1c3438cf2432751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7611440c0c469d2a799c3606ba59c1a48f1611840c5a785b1c3438cf2432751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7611440c0c469d2a799c3606ba59c1a48f1611840c5a785b1c3438cf2432751", kill_on_drop: false }`
[INFO] [stdout] c7611440c0c469d2a799c3606ba59c1a48f1611840c5a785b1c3438cf2432751
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7050915f9ee49f15a08fdf9fe5be034015fbd536ac446a98fb87890eae6c23ff
[INFO] running `Command { std: "docker" "start" "-a" "7050915f9ee49f15a08fdf9fe5be034015fbd536ac446a98fb87890eae6c23ff", kill_on_drop: false }`
[INFO] [stderr]     Checking memrange v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<dyn Iterator<Item=Range>>{
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<dyn Iterator<Item=Range>>{
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memrange` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memrange` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7050915f9ee49f15a08fdf9fe5be034015fbd536ac446a98fb87890eae6c23ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7050915f9ee49f15a08fdf9fe5be034015fbd536ac446a98fb87890eae6c23ff", kill_on_drop: false }`
[INFO] [stdout] 7050915f9ee49f15a08fdf9fe5be034015fbd536ac446a98fb87890eae6c23ff
[INFO] checking memrange-0.1.3 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate memrange 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate memrange 0.1.3 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memrange 0.1.3
[INFO] finished tweaking crates.io crate memrange 0.1.3
[INFO] tweaked toml for crates.io crate memrange 0.1.3 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09b7e941adbdcde6abdc73aa8b9dd5a1a8fe6d1b401ea3a716d16e9d7b822d0c
[INFO] running `Command { std: "docker" "start" "-a" "09b7e941adbdcde6abdc73aa8b9dd5a1a8fe6d1b401ea3a716d16e9d7b822d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b7e941adbdcde6abdc73aa8b9dd5a1a8fe6d1b401ea3a716d16e9d7b822d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b7e941adbdcde6abdc73aa8b9dd5a1a8fe6d1b401ea3a716d16e9d7b822d0c", kill_on_drop: false }`
[INFO] [stdout] 09b7e941adbdcde6abdc73aa8b9dd5a1a8fe6d1b401ea3a716d16e9d7b822d0c
[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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49fc93528091e45a07a2ebaf1d0f63070fe1a5c2ade2fef25e9ccac6623abb4f
[INFO] running `Command { std: "docker" "start" "-a" "49fc93528091e45a07a2ebaf1d0f63070fe1a5c2ade2fef25e9ccac6623abb4f", kill_on_drop: false }`
[INFO] [stderr]     Checking memrange v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:63
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/lib.rs:7:79
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Hash, RustcEncodable, RustcDecodable)]
[INFO] [stdout]   |                                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<dyn Iterator<Item=Range>>{
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<dyn Iterator<Item=Range>>{
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memrange` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `memrange` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "49fc93528091e45a07a2ebaf1d0f63070fe1a5c2ade2fef25e9ccac6623abb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fc93528091e45a07a2ebaf1d0f63070fe1a5c2ade2fef25e9ccac6623abb4f", kill_on_drop: false }`
[INFO] [stdout] 49fc93528091e45a07a2ebaf1d0f63070fe1a5c2ade2fef25e9ccac6623abb4f
