[INFO] fetching crate png 0.14.0...
[INFO] extracting crate png 0.14.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/png/0.14.0
[INFO] extracting crate png 0.14.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/png/0.14.0
[INFO] validating manifest of png-0.14.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of png-0.14.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing png-0.14.0
[INFO] finished frobbing png-0.14.0
[INFO] frobbed toml for png-0.14.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/png/0.14.0/Cargo.toml
[INFO] started frobbing png-0.14.0
[INFO] finished frobbing png-0.14.0
[INFO] frobbed toml for png-0.14.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/png/0.14.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building png-0.14.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/png/0.14.0:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 541062c342f31c8744a794e9e63aa0c161938479446bb04e58e9af7dc5fbc9fc
[INFO] running `"docker" "start" "-a" "541062c342f31c8744a794e9e63aa0c161938479446bb04e58e9af7dc5fbc9fc"`
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.14.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder/stream.rs:90:37
[INFO] [stderr]    |
[INFO] [stderr] 90 |         write!(fmt, "{}", (self as &error::Error).description())
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         write!(fmt, "{}", (self as &error::Error).description())
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:47:56
[INFO] [stderr]    |
[INFO] [stderr] 47 |         io::Error::new(io::ErrorKind::Other, (&err as &error::Error).description())
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "541062c342f31c8744a794e9e63aa0c161938479446bb04e58e9af7dc5fbc9fc"`
[INFO] running `"docker" "rm" "-f" "541062c342f31c8744a794e9e63aa0c161938479446bb04e58e9af7dc5fbc9fc"`
[INFO] [stdout] 541062c342f31c8744a794e9e63aa0c161938479446bb04e58e9af7dc5fbc9fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/png/0.14.0:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8aa20259a5ff1a0e3fec9eface7bf46b2cf06694f38fd0095068b41778e3390e
[INFO] running `"docker" "start" "-a" "8aa20259a5ff1a0e3fec9eface7bf46b2cf06694f38fd0095068b41778e3390e"`
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling winit v0.16.2
[INFO] [stderr]    Compiling png v0.14.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder/stream.rs:90:37
[INFO] [stderr]    |
[INFO] [stderr] 90 |         write!(fmt, "{}", (self as &error::Error).description())
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         write!(fmt, "{}", (self as &error::Error).description())
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:47:56
[INFO] [stderr]    |
[INFO] [stderr] 47 |         io::Error::new(io::ErrorKind::Other, (&err as &error::Error).description())
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "8aa20259a5ff1a0e3fec9eface7bf46b2cf06694f38fd0095068b41778e3390e"`
[INFO] running `"docker" "rm" "-f" "8aa20259a5ff1a0e3fec9eface7bf46b2cf06694f38fd0095068b41778e3390e"`
[INFO] [stdout] 8aa20259a5ff1a0e3fec9eface7bf46b2cf06694f38fd0095068b41778e3390e