[INFO] fetching crate mqtt_5 0.1.1...
[INFO] checking mqtt_5-0.1.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate mqtt_5 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mqtt_5 0.1.1
[INFO] finished tweaking crates.io crate mqtt_5 0.1.1
[INFO] tweaked toml for crates.io crate mqtt_5 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqtt_5 0.1.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5eae22cfbe016079b69d0379986d9b4a03470969a131080404c02796b07d047
[INFO] running `Command { std: "docker" "start" "-a" "f5eae22cfbe016079b69d0379986d9b4a03470969a131080404c02796b07d047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5eae22cfbe016079b69d0379986d9b4a03470969a131080404c02796b07d047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5eae22cfbe016079b69d0379986d9b4a03470969a131080404c02796b07d047", kill_on_drop: false }`
[INFO] [stdout] f5eae22cfbe016079b69d0379986d9b4a03470969a131080404c02796b07d047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5c06cfa0a13971bfa74507d546667f059f33f1a45a006da30e070b70612351
[INFO] running `Command { std: "docker" "start" "-a" "ca5c06cfa0a13971bfa74507d546667f059f33f1a45a006da30e070b70612351", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking value-bag v1.12.0
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling packattack-derive v0.3.1
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking bitreader_async v0.2.0
[INFO] [stderr]     Checking packattack v0.1.0
[INFO] [stderr]     Checking mqtt_5 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `arbitrary_enum_discriminant` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subscribe` is never constructed
[INFO] [stdout]   --> src/subscribe.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Subscribe
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/subscribe.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Suback` is never constructed
[INFO] [stdout]   --> src/suback.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Suback
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/suback.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unsubscribe` is never constructed
[INFO] [stdout]   --> src/unsubscribe.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Unsubscribe
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/unsubscribe.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unsuback` is never constructed
[INFO] [stdout]   --> src/unsuback.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unsuback
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pingreq` is never constructed
[INFO] [stdout]  --> src/pingreq.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pingreq
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pingresp` is never constructed
[INFO] [stdout]  --> src/pingresp.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pingresp
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Disconnect` is never constructed
[INFO] [stdout]   --> src/disconnect.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Disconnect
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Auth` is never constructed
[INFO] [stdout]   --> src/auth.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Auth
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Fail` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_MQTTParserError`
[INFO] [stdout] 5 | pub enum MQTTParserError
[INFO] [stdout]   |          --------------- `MQTTParserError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Display` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_MQTTParserError`
[INFO] [stdout] 5 | pub enum MQTTParserError
[INFO] [stdout]   |          --------------- `MQTTParserError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subscribe` is never constructed
[INFO] [stdout]   --> src/subscribe.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Subscribe
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/subscribe.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Suback` is never constructed
[INFO] [stdout]   --> src/suback.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Suback
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/suback.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unsubscribe` is never constructed
[INFO] [stdout]   --> src/unsubscribe.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Unsubscribe
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketIdentifier` is never used
[INFO] [stdout]   --> src/unsubscribe.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type PacketIdentifier = TwoByteInteger;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unsuback` is never constructed
[INFO] [stdout]   --> src/unsuback.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unsuback
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pingreq` is never constructed
[INFO] [stdout]  --> src/pingreq.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pingreq
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pingresp` is never constructed
[INFO] [stdout]  --> src/pingresp.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pingresp
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Disconnect` is never constructed
[INFO] [stdout]   --> src/disconnect.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Disconnect
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Auth` is never constructed
[INFO] [stdout]   --> src/auth.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Auth
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Fail` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_MQTTParserError`
[INFO] [stdout] 5 | pub enum MQTTParserError
[INFO] [stdout]   |          --------------- `MQTTParserError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Fail, Debug)]
[INFO] [stdout]   |          ^---
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Display` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_MQTTParserError`
[INFO] [stdout] 5 | pub enum MQTTParserError
[INFO] [stdout]   |          --------------- `MQTTParserError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "ca5c06cfa0a13971bfa74507d546667f059f33f1a45a006da30e070b70612351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5c06cfa0a13971bfa74507d546667f059f33f1a45a006da30e070b70612351", kill_on_drop: false }`
[INFO] [stdout] ca5c06cfa0a13971bfa74507d546667f059f33f1a45a006da30e070b70612351
