[INFO] fetching crate scaly 0.0.37...
[INFO] checking scaly-0.0.37 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate scaly 0.0.37 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate scaly 0.0.37 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scaly 0.0.37
[INFO] finished tweaking crates.io crate scaly 0.0.37
[INFO] tweaked toml for crates.io crate scaly 0.0.37 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2147c4d153cd96a9bc61e0d8d1defd8cb59b39f8629c087c4b0a869b75dd0ee4
[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" "2147c4d153cd96a9bc61e0d8d1defd8cb59b39f8629c087c4b0a869b75dd0ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2147c4d153cd96a9bc61e0d8d1defd8cb59b39f8629c087c4b0a869b75dd0ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2147c4d153cd96a9bc61e0d8d1defd8cb59b39f8629c087c4b0a869b75dd0ee4", kill_on_drop: false }`
[INFO] [stdout] 2147c4d153cd96a9bc61e0d8d1defd8cb59b39f8629c087c4b0a869b75dd0ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6114f8b8c7352d1d0d4641debd40a8cd79c1bd0c037fb1c5231c45e198f8e4
[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" "4a6114f8b8c7352d1d0d4641debd40a8cd79c1bd0c037fb1c5231c45e198f8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking scaly v0.0.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/console.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[INFO] [stdout]    |                                                         ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/io/stream.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` 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 #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/stream.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub stream: *mut Stream
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:13:81
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stdout]    |                                                                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:33:82
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stdout]    |                                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/console.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[INFO] [stdout]    |                                                         ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/io/stream.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` 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 #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/stream.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub stream: *mut Stream
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:13:81
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stdout]    |                                                                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:33:82
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stdout]    |                                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[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 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "4a6114f8b8c7352d1d0d4641debd40a8cd79c1bd0c037fb1c5231c45e198f8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6114f8b8c7352d1d0d4641debd40a8cd79c1bd0c037fb1c5231c45e198f8e4", kill_on_drop: false }`
[INFO] [stdout] 4a6114f8b8c7352d1d0d4641debd40a8cd79c1bd0c037fb1c5231c45e198f8e4