[INFO] fetching crate rust_cast 0.16.0...
[INFO] testing rust_cast-0.16.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rust_cast 0.16.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate rust_cast 0.16.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_cast 0.16.0
[INFO] finished tweaking crates.io crate rust_cast 0.16.0
[INFO] tweaked toml for crates.io crate rust_cast 0.16.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f17b0203812387ee8edb6569c1f5e7a8df1b8b50504858d29486786c9915b44
[INFO] running `Command { std: "docker" "start" "-a" "7f17b0203812387ee8edb6569c1f5e7a8df1b8b50504858d29486786c9915b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f17b0203812387ee8edb6569c1f5e7a8df1b8b50504858d29486786c9915b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f17b0203812387ee8edb6569c1f5e7a8df1b8b50504858d29486786c9915b44", kill_on_drop: false }`
[INFO] [stdout] 7f17b0203812387ee8edb6569c1f5e7a8df1b8b50504858d29486786c9915b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6530138359e19dc10d2b17df5744647e54a734e8d152d6d539322ad76d1777b
[INFO] running `Command { std: "docker" "start" "-a" "a6530138359e19dc10d2b17df5744647e54a734e8d152d6d539322ad76d1777b", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling protoc v2.20.0
[INFO] [stderr]    Compiling protobuf-codegen v2.20.0
[INFO] [stderr]    Compiling protoc-rust v2.20.0
[INFO] [stderr]    Compiling rust_cast v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/authority_keys.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/cast_channel.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private`
[INFO] [stdout]    --> src/cast/proxies.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         private: (),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "a6530138359e19dc10d2b17df5744647e54a734e8d152d6d539322ad76d1777b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6530138359e19dc10d2b17df5744647e54a734e8d152d6d539322ad76d1777b", kill_on_drop: false }`
[INFO] [stdout] a6530138359e19dc10d2b17df5744647e54a734e8d152d6d539322ad76d1777b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b71ad50a4d5dddc8da52a39482720819f78592f36db5345869018171d3648e46
[INFO] running `Command { std: "docker" "start" "-a" "b71ad50a4d5dddc8da52a39482720819f78592f36db5345869018171d3648e46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/authority_keys.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/cast_channel.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private`
[INFO] [stdout]    --> src/cast/proxies.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         private: (),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_cast v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/authority_keys.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: custom inner attributes are unstable
[INFO] [stdout]  --> src/cast/cast_channel.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private`
[INFO] [stdout]    --> src/cast/proxies.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         private: (),
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]    --> src/cast/proxies.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         typ: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "b71ad50a4d5dddc8da52a39482720819f78592f36db5345869018171d3648e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71ad50a4d5dddc8da52a39482720819f78592f36db5345869018171d3648e46", kill_on_drop: false }`
[INFO] [stdout] b71ad50a4d5dddc8da52a39482720819f78592f36db5345869018171d3648e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fa7fb3d4ebc38b3e010a1e8cb8a8d174a47e7d968d427de119c8cb358e6f583
[INFO] running `Command { std: "docker" "start" "-a" "1fa7fb3d4ebc38b3e010a1e8cb8a8d174a47e7d968d427de119c8cb358e6f583", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: custom inner attributes are unstable
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/cast/authority_keys.rs:9:4
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 9 | #![rustfmt::skip]
[INFO] [stdout] 
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: custom inner attributes are unstable
[INFO] [stderr]  --> src/cast/cast_channel.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![rustfmt::skip]
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `private`
[INFO] [stderr]    --> src/cast/proxies.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         private: (),
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `typ`
[INFO] [stderr]    --> src/cast/proxies.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |         typ: String,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `typ`
[INFO] [stderr]    --> src/cast/proxies.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         typ: String,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `typ`
[INFO] [stderr]    --> src/cast/proxies.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         typ: String,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_cast` (lib) generated 6 warnings
[INFO] [stderr] warning: `rust_cast` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cast-c0a3923a3f28c639)
[INFO] [stderr]    Doc-tests rust_cast
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - CastDevice::connect (line 79) - compile ... ok
[INFO] [stdout] test src/lib.rs - CastDevice::connect_without_host_verification (line 121) - compile ... ok
[INFO] [stdout] test src/channels/receiver.rs - channels::receiver::ReceiverChannel::launch_app (line 201) - compile ... ok
[INFO] [stdout] test src/lib.rs - CastDevice::receive (line 171) - compile ... ok
[INFO] [stdout] test src/message_manager.rs - message_manager::MessageManager<S>::receive_find_map (line 187) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fa7fb3d4ebc38b3e010a1e8cb8a8d174a47e7d968d427de119c8cb358e6f583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa7fb3d4ebc38b3e010a1e8cb8a8d174a47e7d968d427de119c8cb358e6f583", kill_on_drop: false }`
[INFO] [stdout] 1fa7fb3d4ebc38b3e010a1e8cb8a8d174a47e7d968d427de119c8cb358e6f583