[INFO] updating cached repository Adam-Gleave/multiboot2-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Adam-Gleave/multiboot2-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Adam-Gleave/multiboot2-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Adam-Gleave/multiboot2-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adam-Gleave/multiboot2-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adam-Gleave/multiboot2-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90dc46b36665f98112fc41e57d3b5133c61db869
[INFO] sha for GitHub repo Adam-Gleave/multiboot2-rs: 90dc46b36665f98112fc41e57d3b5133c61db869
[INFO] validating manifest of Adam-Gleave/multiboot2-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Adam-Gleave/multiboot2-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Adam-Gleave/multiboot2-rs
[INFO] finished frobbing Adam-Gleave/multiboot2-rs
[INFO] frobbed toml for Adam-Gleave/multiboot2-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs/Cargo.toml
[INFO] started frobbing Adam-Gleave/multiboot2-rs
[INFO] finished frobbing Adam-Gleave/multiboot2-rs
[INFO] frobbed toml for Adam-Gleave/multiboot2-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Adam-Gleave/multiboot2-rs/Cargo.toml
[INFO] crate Adam-Gleave/multiboot2-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Adam-Gleave/multiboot2-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0e272b56cce194fc5550523f1b518ff4c48941c6f9b82b51534cececf90feb8e
[INFO] running `"docker" "start" "-a" "0e272b56cce194fc5550523f1b518ff4c48941c6f9b82b51534cececf90feb8e"`
[INFO] [stderr]    Compiling multiboot2 v0.1.0 (/opt/crater/workdir)
[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 used: `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 used: `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 used: `reserved`
[INFO] [stderr]   --> src/lib.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     reserved: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "0e272b56cce194fc5550523f1b518ff4c48941c6f9b82b51534cececf90feb8e"`
[INFO] running `"docker" "rm" "-f" "0e272b56cce194fc5550523f1b518ff4c48941c6f9b82b51534cececf90feb8e"`
[INFO] [stdout] 0e272b56cce194fc5550523f1b518ff4c48941c6f9b82b51534cececf90feb8e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 255bdcd1e0f5957e024cf6a4a94c49d9311af8de7f1e7fc46d30af955a833022
[INFO] running `"docker" "start" "-a" "255bdcd1e0f5957e024cf6a4a94c49d9311af8de7f1e7fc46d30af955a833022"`
[INFO] [stderr]    Compiling multiboot2 v0.1.0 (/opt/crater/workdir)
[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 used: `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 used: `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 used: `reserved`
[INFO] [stderr]   --> src/lib.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     reserved: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "255bdcd1e0f5957e024cf6a4a94c49d9311af8de7f1e7fc46d30af955a833022"`
[INFO] running `"docker" "rm" "-f" "255bdcd1e0f5957e024cf6a4a94c49d9311af8de7f1e7fc46d30af955a833022"`
[INFO] [stdout] 255bdcd1e0f5957e024cf6a4a94c49d9311af8de7f1e7fc46d30af955a833022
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Adam-Gleave/multiboot2-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3741bf59cf4b530fdead88d4563bbe41a82596cf3334e1bd3b1a283ba14e40e1
[INFO] running `"docker" "start" "-a" "3741bf59cf4b530fdead88d4563bbe41a82596cf3334e1bd3b1a283ba14e40e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multiboot2-cffb7aa6b0175f74
[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] [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] running `"docker" "inspect" "3741bf59cf4b530fdead88d4563bbe41a82596cf3334e1bd3b1a283ba14e40e1"`
[INFO] running `"docker" "rm" "-f" "3741bf59cf4b530fdead88d4563bbe41a82596cf3334e1bd3b1a283ba14e40e1"`
[INFO] [stdout] 3741bf59cf4b530fdead88d4563bbe41a82596cf3334e1bd3b1a283ba14e40e1