[INFO] fetching crate exif 0.0.1...
[INFO] checking exif-0.0.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate exif 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate exif 0.0.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exif 0.0.1
[INFO] finished tweaking crates.io crate exif 0.0.1
[INFO] tweaked toml for crates.io crate exif 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exif-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 864568ef282bac0ec2d1103ed8bf8c2e4c92a3483cdca9cca800709060bd59e2
[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" "864568ef282bac0ec2d1103ed8bf8c2e4c92a3483cdca9cca800709060bd59e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864568ef282bac0ec2d1103ed8bf8c2e4c92a3483cdca9cca800709060bd59e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864568ef282bac0ec2d1103ed8bf8c2e4c92a3483cdca9cca800709060bd59e2", kill_on_drop: false }`
[INFO] [stdout] 864568ef282bac0ec2d1103ed8bf8c2e4c92a3483cdca9cca800709060bd59e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41a0009b37033ece3dcfabf61f43201cb28747503f58fcd42d47811cb200892a
[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" "41a0009b37033ece3dcfabf61f43201cb28747503f58fcd42d47811cb200892a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling exif-sys v0.1.0
[INFO] [stderr]     Checking exif v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/data.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut file = try!(File::open(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/data.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let len = try!(file.read(&mut read_buf));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/data.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut file = try!(File::open(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/data.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let len = try!(file.read(&mut read_buf));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pub_restricted` has been stable since 1.18.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pub_restricted,conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pub_restricted,conservative_impl_trait)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Rational<u32>`, which is not FFI-safe
[INFO] [stdout]    --> src/value.rs:139:82
[INFO] [stdout]     |
[INFO] [stdout] 139 | unsafe extern "C" fn get_urational(buf: *const u8, byte_order: ExifByteOrder) -> Rational<u32> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/value.rs:27:1
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct Rational<T>(pub T, pub T);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Rational<i32>`, which is not FFI-safe
[INFO] [stdout]    --> src/value.rs:145:82
[INFO] [stdout]     |
[INFO] [stdout] 145 | unsafe extern "C" fn get_irational(buf: *const u8, byte_order: ExifByteOrder) -> Rational<i32> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/value.rs:27:1
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct Rational<T>(pub T, pub T);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/dump.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let data = try!(exif::Data::open(file_name.as_ref()));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pub_restricted` has been stable since 1.18.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pub_restricted,conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pub_restricted,conservative_impl_trait)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Rational<u32>`, which is not FFI-safe
[INFO] [stdout]    --> src/value.rs:139:82
[INFO] [stdout]     |
[INFO] [stdout] 139 | unsafe extern "C" fn get_urational(buf: *const u8, byte_order: ExifByteOrder) -> Rational<u32> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/value.rs:27:1
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct Rational<T>(pub T, pub T);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Rational<i32>`, which is not FFI-safe
[INFO] [stdout]    --> src/value.rs:145:82
[INFO] [stdout]     |
[INFO] [stdout] 145 | unsafe extern "C" fn get_irational(buf: *const u8, byte_order: ExifByteOrder) -> Rational<i32> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/value.rs:27:1
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct Rational<T>(pub T, pub T);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "41a0009b37033ece3dcfabf61f43201cb28747503f58fcd42d47811cb200892a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a0009b37033ece3dcfabf61f43201cb28747503f58fcd42d47811cb200892a", kill_on_drop: false }`
[INFO] [stdout] 41a0009b37033ece3dcfabf61f43201cb28747503f58fcd42d47811cb200892a