[INFO] crate fortress 1.0.1 is already in cache
[INFO] extracting crate fortress 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/fortress/1.0.1
[INFO] extracting crate fortress 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fortress/1.0.1
[INFO] validating manifest of fortress-1.0.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fortress-1.0.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fortress-1.0.1
[INFO] finished frobbing fortress-1.0.1
[INFO] frobbed toml for fortress-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fortress/1.0.1/Cargo.toml
[INFO] started frobbing fortress-1.0.1
[INFO] finished frobbing fortress-1.0.1
[INFO] frobbed toml for fortress-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fortress/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fortress-1.0.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fortress/1.0.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 538e99fcd06a2ab4377a94da5cbb8e8fb8d1acda848e4e13a536d59261a6f01a
[INFO] running `"docker" "start" "-a" "538e99fcd06a2ab4377a94da5cbb8e8fb8d1acda848e4e13a536d59261a6f01a"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.1.3
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling gio v0.1.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling gdk v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling gtk v0.1.3
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling directories v0.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling glib-sys v0.3.4
[INFO] [stderr]    Compiling gobject-sys v0.3.4
[INFO] [stderr]    Compiling gio-sys v0.3.4
[INFO] [stderr]    Compiling pango-sys v0.3.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.4
[INFO] [stderr]    Compiling gdk-sys v0.3.4
[INFO] [stderr]    Compiling atk-sys v0.3.4
[INFO] [stderr]    Compiling gtk-sys v0.3.4
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling glib v0.1.3
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`:
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:509:1
[INFO] [stderr]     |
[INFO] [stderr] 478 | impl<'a, T: ?Sized + SetValueOptional> SetValueOptional for &'a T {
[INFO] [stderr]     | ----------------------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 509 | impl<T: IsA<Object>> SetValueOptional for T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValue` for type `&_`:
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:503:1
[INFO] [stderr]     |
[INFO] [stderr] 472 | impl<'a, T: ?Sized + SetValue> SetValue for &'a T {
[INFO] [stderr]     | ------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 503 | impl<T: IsA<Object>> SetValue for T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `glib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "538e99fcd06a2ab4377a94da5cbb8e8fb8d1acda848e4e13a536d59261a6f01a"`
[INFO] running `"docker" "rm" "-f" "538e99fcd06a2ab4377a94da5cbb8e8fb8d1acda848e4e13a536d59261a6f01a"`
[INFO] [stdout] 538e99fcd06a2ab4377a94da5cbb8e8fb8d1acda848e4e13a536d59261a6f01a