[INFO] fetching crate link 0.1.0...
[INFO] checking link-0.1.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate link 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate link 0.1.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate link 0.1.0
[INFO] finished tweaking crates.io crate link 0.1.0
[INFO] tweaked toml for crates.io crate link 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", 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] 356b4a54183dad89ee5f4569b1287bf36a393278549b1b25f2cb1a5b8d1dba2e
[INFO] running `Command { std: "docker" "start" "-a" "356b4a54183dad89ee5f4569b1287bf36a393278549b1b25f2cb1a5b8d1dba2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356b4a54183dad89ee5f4569b1287bf36a393278549b1b25f2cb1a5b8d1dba2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356b4a54183dad89ee5f4569b1287bf36a393278549b1b25f2cb1a5b8d1dba2e", kill_on_drop: false }`
[INFO] [stdout] 356b4a54183dad89ee5f4569b1287bf36a393278549b1b25f2cb1a5b8d1dba2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--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] 7c5ea75a5ecd5c7a045621697d697b30d03758b2f54e4989e59161f6ec67d054
[INFO] running `Command { std: "docker" "start" "-a" "7c5ea75a5ecd5c7a045621697d697b30d03758b2f54e4989e59161f6ec67d054", kill_on_drop: false }`
[INFO] [stderr]     Checking field-offset v0.1.1
[INFO] [stderr]     Checking link v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:113:64
[INFO] [stdout]     |
[INFO] [stdout] 113 |             unsafe { Some(data.offset.unapply_mut(self_mut_ptr.as_mut().unwrap())) }
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` 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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:130:71
[INFO] [stdout]     |
[INFO] [stdout] 130 |             unsafe { Some((&*(*data.target_obj).borrow() as *const _).as_ref().unwrap()) }
[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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:139:77
[INFO] [stdout]     |
[INFO] [stdout] 139 |             unsafe { Some((&mut *(*data.target_obj).borrow_mut() as *mut _).as_mut().unwrap()) }
[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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:113:64
[INFO] [stdout]     |
[INFO] [stdout] 113 |             unsafe { Some(data.offset.unapply_mut(self_mut_ptr.as_mut().unwrap())) }
[INFO] [stdout]     |                                                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` 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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:130:71
[INFO] [stdout]     |
[INFO] [stdout] 130 |             unsafe { Some((&*(*data.target_obj).borrow() as *const _).as_ref().unwrap()) }
[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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:139:77
[INFO] [stdout]     |
[INFO] [stdout] 139 |             unsafe { Some((&mut *(*data.target_obj).borrow_mut() as *mut _).as_mut().unwrap()) }
[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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7c5ea75a5ecd5c7a045621697d697b30d03758b2f54e4989e59161f6ec67d054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5ea75a5ecd5c7a045621697d697b30d03758b2f54e4989e59161f6ec67d054", kill_on_drop: false }`
[INFO] [stdout] 7c5ea75a5ecd5c7a045621697d697b30d03758b2f54e4989e59161f6ec67d054