[INFO] fetching crate snocat 0.8.0-alpha.5...
[INFO] checking snocat-0.8.0-alpha.5 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate snocat 0.8.0-alpha.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate snocat 0.8.0-alpha.5 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snocat 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate snocat 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate snocat 0.8.0-alpha.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded redis-protocol v4.1.0
[INFO] [stderr]   Downloaded fred v6.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bb3e7c1e089860b4cd847578756d81ffecfc5754f2aed97844c6381049d5d9d
[INFO] running `Command { std: "docker" "start" "-a" "0bb3e7c1e089860b4cd847578756d81ffecfc5754f2aed97844c6381049d5d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb3e7c1e089860b4cd847578756d81ffecfc5754f2aed97844c6381049d5d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb3e7c1e089860b4cd847578756d81ffecfc5754f2aed97844c6381049d5d9d", kill_on_drop: false }`
[INFO] [stdout] 0bb3e7c1e089860b4cd847578756d81ffecfc5754f2aed97844c6381049d5d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8426b1b26bbc087a9be6e50270903e7e8e6310c331729c0419bec96ad5526848
[INFO] running `Command { std: "docker" "start" "-a" "8426b1b26bbc087a9be6e50270903e7e8e6310c331729c0419bec96ad5526848", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking arc-swap v1.7.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking quinn-proto v0.10.6
[INFO] [stderr]     Checking quinn-udp v0.4.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking quinn v0.10.2
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking snocat v0.8.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ext/stream.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct BoundCounter(Dropkick<BoundCounterInner>);
[INFO] [stdout]    |              ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct BoundCounter(());
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ext/stream.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Registered(BoundCounter),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Registered(()),
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/common/tunnel_source/mod.rs:77:7
[INFO] [stdout]    |
[INFO] [stdout] 77 |       drop(accepting);
[INFO] [stdout]    |       ^^^^^---------^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            argument has type `&mut Pin<Box<dyn futures::Future<Output = std::option::Option<Connecting>> + std::marker::Send>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ext/stream.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct BoundCounter(Dropkick<BoundCounterInner>);
[INFO] [stdout]    |              ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct BoundCounter(());
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ext/stream.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Registered(BoundCounter),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Registered(()),
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/common/tunnel_source/mod.rs:77:7
[INFO] [stdout]    |
[INFO] [stdout] 77 |       drop(accepting);
[INFO] [stdout]    |       ^^^^^---------^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            argument has type `&mut Pin<Box<dyn futures::Future<Output = std::option::Option<Connecting>> + std::marker::Send>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "8426b1b26bbc087a9be6e50270903e7e8e6310c331729c0419bec96ad5526848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8426b1b26bbc087a9be6e50270903e7e8e6310c331729c0419bec96ad5526848", kill_on_drop: false }`
[INFO] [stdout] 8426b1b26bbc087a9be6e50270903e7e8e6310c331729c0419bec96ad5526848
