[INFO] updating cached repository https://github.com/pavlov-dmitry/travis_game
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40540889ccfe87d3ef577aeacbfad0cee293cd6a
[INFO] checking pavlov-dmitry/travis_game against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpavlov-dmitry%2Ftravis_game" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pavlov-dmitry/travis_game on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pavlov-dmitry/travis_game
[INFO] finished tweaking git repo https://github.com/pavlov-dmitry/travis_game
[INFO] tweaked toml for git repo https://github.com/pavlov-dmitry/travis_game written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pavlov-dmitry/travis_game already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94f61c11e4a00131c11899d220f40892c95b3dd1fad7f9bcb81521645ae8ee03
[INFO] running `"docker" "start" "-a" "94f61c11e4a00131c11899d220f40892c95b3dd1fad7f9bcb81521645ae8ee03"`
[INFO] [stderr]     Checking travis_game v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/exif_reader.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::c_str::CString;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/exif_reader.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]    --> src/exif_reader.rs:232:11
[INFO] [stderr]     |
[INFO] [stderr] 232 |     size: uint,
[INFO] [stderr]     |           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::libc::{ size_t, c_int };
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::libc::{ size_t, c_int };
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/exif_reader.rs:13:63
[INFO] [stderr]    |
[INFO] [stderr] 13 |         exif_data_new_from_data( data.as_ptr(), data.len() as size_t )
[INFO] [stderr]    |                                                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:199:57
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn exif_data_new_from_data ( data: *const u8, size: size_t) -> c_int;
[INFO] [stderr]     |                                                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:199:68
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn exif_data_new_from_data ( data: *const u8, size: size_t) -> c_int;
[INFO] [stderr]     |                                                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn exif_data_free( ptr: c_int );
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:201:50
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn exif_data_foreach_content (exif_data_ptr: c_int, func : extern fn(c_int, *mut ReadBody), user_data: *mut ReadBody);
[INFO] [stderr]     |                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:201:74
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn exif_data_foreach_content (exif_data_ptr: c_int, func : extern fn(c_int, *mut ReadBody), user_data: *mut ReadBody);
[INFO] [stderr]     |                                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:202:54
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn exif_content_foreach_entry( exif_content_ptr: c_int, func: extern fn( *mut ExifEntry, *mut ReadBody ), user_data: *mut ReadBody );
[INFO] [stderr]     |                                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:203:48
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn exif_data_get_byte_order(exif_data_ptr: c_int) -> c_int;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:203:58
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn exif_data_get_byte_order(exif_data_ptr: c_int) -> c_int;
[INFO] [stderr]     |                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:204:48
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn exif_tag_get_name_in_ifd(tag: i32, ifd: c_int) -> *const i8;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:205:38
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn exif_content_get_ifd(content: c_int) -> c_int;
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:205:48
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn exif_content_get_ifd(content: c_int) -> c_int;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:206:45
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn exif_get_short (b: *const u8, order: c_int) -> u16;
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:207:46
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn exif_get_sshort (b: *const u8, order: c_int) -> i16;
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn exif_get_long (b: *const u8, order: c_int) -> u32;
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:209:45
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn exif_get_slong (b: *const u8, order: c_int) -> i32;
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:210:48
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn exif_get_rational (b: *const u8, order: c_int) -> ExifRational;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:211:49
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn exif_get_srational (b: *const u8, order: c_int) -> ExifSRational;
[INFO] [stderr]     |                                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |     parent: c_int,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:234:14
[INFO] [stderr]     |
[INFO] [stderr] 234 |     private: c_int
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:255:50
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn to_exif_value( entry: &ExifEntry, byte_order: c_int ) -> ExifValue {
[INFO] [stderr]     |                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |     byte_order: c_int,
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:294:10
[INFO] [stderr]     |
[INFO] [stderr] 294 |     ifd: c_int,
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:311:39
[INFO] [stderr]     |
[INFO] [stderr] 311 | extern fn read_exif_content( content: c_int, b: *mut ReadBody ) {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/exif_reader.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::c_str::CString;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/exif_reader.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]    --> src/exif_reader.rs:232:11
[INFO] [stderr]     |
[INFO] [stderr] 232 |     size: uint,
[INFO] [stderr]     |           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::libc::{ size_t, c_int };
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/exif_reader.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::libc::{ size_t, c_int };
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/exif_reader.rs:13:63
[INFO] [stderr]    |
[INFO] [stderr] 13 |         exif_data_new_from_data( data.as_ptr(), data.len() as size_t )
[INFO] [stderr]    |                                                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:199:57
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn exif_data_new_from_data ( data: *const u8, size: size_t) -> c_int;
[INFO] [stderr]     |                                                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:199:68
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn exif_data_new_from_data ( data: *const u8, size: size_t) -> c_int;
[INFO] [stderr]     |                                                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn exif_data_free( ptr: c_int );
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:201:50
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn exif_data_foreach_content (exif_data_ptr: c_int, func : extern fn(c_int, *mut ReadBody), user_data: *mut ReadBody);
[INFO] [stderr]     |                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:201:74
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn exif_data_foreach_content (exif_data_ptr: c_int, func : extern fn(c_int, *mut ReadBody), user_data: *mut ReadBody);
[INFO] [stderr]     |                                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:202:54
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn exif_content_foreach_entry( exif_content_ptr: c_int, func: extern fn( *mut ExifEntry, *mut ReadBody ), user_data: *mut ReadBody );
[INFO] [stderr]     |                                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:203:48
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn exif_data_get_byte_order(exif_data_ptr: c_int) -> c_int;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:203:58
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn exif_data_get_byte_order(exif_data_ptr: c_int) -> c_int;
[INFO] [stderr]     |                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:204:48
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn exif_tag_get_name_in_ifd(tag: i32, ifd: c_int) -> *const i8;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:205:38
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn exif_content_get_ifd(content: c_int) -> c_int;
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:205:48
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn exif_content_get_ifd(content: c_int) -> c_int;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:206:45
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn exif_get_short (b: *const u8, order: c_int) -> u16;
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:207:46
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn exif_get_sshort (b: *const u8, order: c_int) -> i16;
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn exif_get_long (b: *const u8, order: c_int) -> u32;
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:209:45
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn exif_get_slong (b: *const u8, order: c_int) -> i32;
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:210:48
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn exif_get_rational (b: *const u8, order: c_int) -> ExifRational;
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:211:49
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn exif_get_srational (b: *const u8, order: c_int) -> ExifSRational;
[INFO] [stderr]     |                                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |     parent: c_int,
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:234:14
[INFO] [stderr]     |
[INFO] [stderr] 234 |     private: c_int
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:255:50
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn to_exif_value( entry: &ExifEntry, byte_order: c_int ) -> ExifValue {
[INFO] [stderr]     |                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |     byte_order: c_int,
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:294:10
[INFO] [stderr]     |
[INFO] [stderr] 294 |     ifd: c_int,
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/exif_reader.rs:311:39
[INFO] [stderr]     |
[INFO] [stderr] 311 | extern fn read_exif_content( content: c_int, b: *mut ReadBody ) {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>` doesn't implement `std::fmt::Display`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("exif = {}", exif);
[INFO] [stderr]   |                           ^^^^ `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>` cannot be formatted with the default formatter
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>`
[INFO] [stderr]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]   = note: required by `std::fmt::Display::fmt`
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_u32` found for type `u16` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:46:52
[INFO] [stderr]    |
[INFO] [stderr] 46 |             .and_then( |v| v.as_short().map( |v| v.to_u32().unwrap() ) )
[INFO] [stderr]    |                                                    ^^^^^^ method not found in `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_f32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:62:37
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     Some( r.numer().to_f32().unwrap() / r.denom().to_f32().unwrap() )
[INFO] [stderr]    |                                     ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_f32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:62:67
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     Some( r.numer().to_f32().unwrap() / r.denom().to_f32().unwrap() )
[INFO] [stderr]    |                                                                   ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_i32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     r.denom().to_i32().unwrap().neg()
[INFO] [stderr]    |                               ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&std::string::String` in the current scope
[INFO] [stderr]    --> src/exif_reader.rs:117:50
[INFO] [stderr]     |
[INFO] [stderr] 117 |             &ExifValue::Text( ref v ) => Some( v.as_slice() ),
[INFO] [stderr]     |                                                  ^^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 36 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0277]: `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>` doesn't implement `std::fmt::Display`
[INFO] [stderr]  --> src/main.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     println!("exif = {}", exif);
[INFO] [stderr]   |                           ^^^^ `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>` cannot be formatted with the default formatter
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<std::collections::HashMap<std::string::String, exif_reader::ExifValue>>`
[INFO] [stderr]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]   = note: required by `std::fmt::Display::fmt`
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `travis_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `to_u32` found for type `u16` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:46:52
[INFO] [stderr]    |
[INFO] [stderr] 46 |             .and_then( |v| v.as_short().map( |v| v.to_u32().unwrap() ) )
[INFO] [stderr]    |                                                    ^^^^^^ method not found in `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_f32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:62:37
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     Some( r.numer().to_f32().unwrap() / r.denom().to_f32().unwrap() )
[INFO] [stderr]    |                                     ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_f32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:62:67
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     Some( r.numer().to_f32().unwrap() / r.denom().to_f32().unwrap() )
[INFO] [stderr]    |                                                                   ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_i32` found for reference `&u32` in the current scope
[INFO] [stderr]   --> src/exif_reader.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     r.denom().to_i32().unwrap().neg()
[INFO] [stderr]    |                               ^^^^^^ method not found in `&u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]            `use exif_reader::num::ToPrimitive;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&std::string::String` in the current scope
[INFO] [stderr]    --> src/exif_reader.rs:117:50
[INFO] [stderr]     |
[INFO] [stderr] 117 |             &ExifValue::Text( ref v ) => Some( v.as_slice() ),
[INFO] [stderr]     |                                                  ^^^^^^^^ method not found in `&std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 36 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `travis_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "94f61c11e4a00131c11899d220f40892c95b3dd1fad7f9bcb81521645ae8ee03"`
[INFO] running `"docker" "rm" "-f" "94f61c11e4a00131c11899d220f40892c95b3dd1fad7f9bcb81521645ae8ee03"`
[INFO] [stdout] 94f61c11e4a00131c11899d220f40892c95b3dd1fad7f9bcb81521645ae8ee03
