[INFO] updating cached repository https://github.com/Adam-Gleave/multiboot2-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90dc46b36665f98112fc41e57d3b5133c61db869
[INFO] testing Adam-Gleave/multiboot2-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdam-Gleave%2Fmultiboot2-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Adam-Gleave/multiboot2-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Adam-Gleave/multiboot2-rs
[INFO] finished tweaking git repo https://github.com/Adam-Gleave/multiboot2-rs
[INFO] tweaked toml for git repo https://github.com/Adam-Gleave/multiboot2-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Adam-Gleave/multiboot2-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9450b752f974b273da88369df0b2115cb917b132b91dbd9cb93112f6c7c23aea
[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" "9450b752f974b273da88369df0b2115cb917b132b91dbd9cb93112f6c7c23aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9450b752f974b273da88369df0b2115cb917b132b91dbd9cb93112f6c7c23aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9450b752f974b273da88369df0b2115cb917b132b91dbd9cb93112f6c7c23aea", kill_on_drop: false }`
[INFO] [stdout] 9450b752f974b273da88369df0b2115cb917b132b91dbd9cb93112f6c7c23aea
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", 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] aa4c238318dc60a8727b38ebace6ec0efa5dea679c8e6865cda3fca83cfdab9d
[INFO] running `Command { std: "docker" "start" "-a" "aa4c238318dc60a8727b38ebace6ec0efa5dea679c8e6865cda3fca83cfdab9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling multiboot2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |             0x6000_0000...0x6FFF_FFFF => SectionType::EnvironmentSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |             0x7000_0000...0x7FFF_FFFF => SectionType::ProcessorSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn get(&self) -> &Entry {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(safe_packed_borrows)]` on by default
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_type`
[INFO] [stdout]  --> src/basic_info.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tag_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/basic_info.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     size: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> src/lib.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     reserved: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "aa4c238318dc60a8727b38ebace6ec0efa5dea679c8e6865cda3fca83cfdab9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4c238318dc60a8727b38ebace6ec0efa5dea679c8e6865cda3fca83cfdab9d", kill_on_drop: false }`
[INFO] [stdout] aa4c238318dc60a8727b38ebace6ec0efa5dea679c8e6865cda3fca83cfdab9d
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", 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] d37d6a0ad9c785ccd2a0d2d690fcaaebba01e8c51d731aee50ff2c368880e7d4
[INFO] running `Command { std: "docker" "start" "-a" "d37d6a0ad9c785ccd2a0d2d690fcaaebba01e8c51d731aee50ff2c368880e7d4", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multiboot2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |             0x6000_0000...0x6FFF_FFFF => SectionType::EnvironmentSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |             0x7000_0000...0x7FFF_FFFF => SectionType::ProcessorSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn get(&self) -> &Entry {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(safe_packed_borrows)]` on by default
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_type`
[INFO] [stdout]  --> src/basic_info.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tag_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/basic_info.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     size: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> src/lib.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     reserved: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/elf_sections.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | / bitflags! {
[INFO] [stdout] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stdout] 266 | |         const WRITABLE = 0x1;
[INFO] [stdout] 267 | |         const ALLOCATED = 0x2;
[INFO] [stdout] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stdout] 269 | |     }
[INFO] [stdout] 270 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |             0x6000_0000...0x6FFF_FFFF => SectionType::EnvironmentSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |             0x7000_0000...0x7FFF_FFFF => SectionType::ProcessorSpecific,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf_sections.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn get(&self) -> &Entry {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(safe_packed_borrows)]` on by default
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/basic_info.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |             self.mem_lower, self.mem_upper)?;
[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 #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_type`
[INFO] [stdout]  --> src/basic_info.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tag_type: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]  --> src/basic_info.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     size: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> src/lib.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     reserved: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "d37d6a0ad9c785ccd2a0d2d690fcaaebba01e8c51d731aee50ff2c368880e7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37d6a0ad9c785ccd2a0d2d690fcaaebba01e8c51d731aee50ff2c368880e7d4", kill_on_drop: false }`
[INFO] [stdout] d37d6a0ad9c785ccd2a0d2d690fcaaebba01e8c51d731aee50ff2c368880e7d4
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ed033bf877b2bf50648b2edac282c26a9598fd9c947aa04d8758ae418dc94a4
[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" "6ed033bf877b2bf50648b2edac282c26a9598fd9c947aa04d8758ae418dc94a4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:149:15
[INFO] [stderr]     |
[INFO] [stderr] 149 |             0x6000_0000...0x6FFF_FFFF => SectionType::EnvironmentSpecific,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:150:15
[INFO] [stderr]     |
[INFO] [stderr] 150 |             0x7000_0000...0x7FFF_FFFF => SectionType::ProcessorSpecific,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:195:20
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn get(&self) -> &Entry {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/basic_info.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/basic_info.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tag_type`
[INFO] [stderr]  --> src/basic_info.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     tag_type: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]  --> src/basic_info.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     size: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reserved`
[INFO] [stderr]   --> src/lib.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     reserved: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/elf_sections.rs:264:1
[INFO] [stderr]     |
[INFO] [stderr] 264 | / bitflags! {
[INFO] [stderr] 265 | |     pub struct SectionFlags: u64 {
[INFO] [stderr] 266 | |         const WRITABLE = 0x1;
[INFO] [stderr] 267 | |         const ALLOCATED = 0x2;
[INFO] [stderr] 268 | |         const EXECUTABLE = 0x4;
[INFO] [stderr] 269 | |     }
[INFO] [stderr] 270 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:149:15
[INFO] [stderr]     |
[INFO] [stderr] 149 |             0x6000_0000...0x6FFF_FFFF => SectionType::EnvironmentSpecific,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:150:15
[INFO] [stderr]     |
[INFO] [stderr] 150 |             0x7000_0000...0x7FFF_FFFF => SectionType::ProcessorSpecific,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/elf_sections.rs:195:20
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn get(&self) -> &Entry {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/basic_info.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/basic_info.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.mem_lower, self.mem_upper)?;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tag_type`
[INFO] [stderr]  --> src/basic_info.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     tag_type: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]  --> src/basic_info.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     size: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `reserved`
[INFO] [stderr]   --> src/lib.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     reserved: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiboot2-f03cbee50e5b9f69
[INFO] [stderr]    Doc-tests multiboot2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ed033bf877b2bf50648b2edac282c26a9598fd9c947aa04d8758ae418dc94a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed033bf877b2bf50648b2edac282c26a9598fd9c947aa04d8758ae418dc94a4", kill_on_drop: false }`
[INFO] [stdout] 6ed033bf877b2bf50648b2edac282c26a9598fd9c947aa04d8758ae418dc94a4