[INFO] fetching crate match-downcast 0.1.2...
[INFO] checking match-downcast-0.1.2 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate match-downcast 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate match-downcast 0.1.2 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate match-downcast 0.1.2
[INFO] finished tweaking crates.io crate match-downcast 0.1.2
[INFO] tweaked toml for crates.io crate match-downcast 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26e04d00f98e65c75b948d126fc5fe83e6aeb72e6adbb63e07acf0f6b746ab29
[INFO] running `Command { std: "docker" "start" "-a" "26e04d00f98e65c75b948d126fc5fe83e6aeb72e6adbb63e07acf0f6b746ab29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e04d00f98e65c75b948d126fc5fe83e6aeb72e6adbb63e07acf0f6b746ab29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e04d00f98e65c75b948d126fc5fe83e6aeb72e6adbb63e07acf0f6b746ab29", kill_on_drop: false }`
[INFO] [stdout] 26e04d00f98e65c75b948d126fc5fe83e6aeb72e6adbb63e07acf0f6b746ab29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5d320cbfa209ac6633ba2167e2b9a52b4ae5c8982fee1ff744833b95dbaf092
[INFO] running `Command { std: "docker" "start" "-a" "a5d320cbfa209ac6633ba2167e2b9a52b4ae5c8982fee1ff744833b95dbaf092", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking match-downcast v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:85:35
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Box::new(0_i8) as Box<Any>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Box::new(1_u8) as Box<Any>,
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:87:36
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Box::new(2_i16) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |             Box::new(3_u16) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:36
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Box::new(4_i32) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:90:36
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Box::new(5_u32) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Box::new(6_i64) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Box::new(7_u64) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Box::new(8_f32) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:36
[INFO] [stdout]    |
[INFO] [stdout] 94 |             Box::new(9_f64) as Box<Any>,
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Box::new(0_i8) as Box<Any>,
[INFO] [stdout]     |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Box::new(1_u8) as Box<Any>,
[INFO] [stdout]     |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Box::new(2_i16) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:122:36
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Box::new(3_u16) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |             Box::new(4_i32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Box::new(5_u32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 125 |             Box::new(6_i64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Box::new(7_u64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:36
[INFO] [stdout]     |
[INFO] [stdout] 127 |             Box::new(8_f32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:128:36
[INFO] [stdout]     |
[INFO] [stdout] 128 |             Box::new(9_f64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:153:35
[INFO] [stdout]     |
[INFO] [stdout] 153 |             Box::new(0_i8) as Box<Any>,
[INFO] [stdout]     |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:35
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Box::new(1_u8) as Box<Any>,
[INFO] [stdout]     |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Box::new(2_i16) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:36
[INFO] [stdout]     |
[INFO] [stdout] 156 |             Box::new(3_u16) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |             Box::new(4_i32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:36
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Box::new(5_u32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:159:36
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Box::new(6_i64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:160:36
[INFO] [stdout]     |
[INFO] [stdout] 160 |             Box::new(7_u64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:36
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Box::new(8_f32) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:36
[INFO] [stdout]     |
[INFO] [stdout] 162 |             Box::new(9_f64) as Box<Any>,
[INFO] [stdout]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a5d320cbfa209ac6633ba2167e2b9a52b4ae5c8982fee1ff744833b95dbaf092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d320cbfa209ac6633ba2167e2b9a52b4ae5c8982fee1ff744833b95dbaf092", kill_on_drop: false }`
[INFO] [stdout] a5d320cbfa209ac6633ba2167e2b9a52b4ae5c8982fee1ff744833b95dbaf092