[INFO] fetching crate serenity_utils 0.7.0...
[INFO] checking serenity_utils-0.7.0 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate serenity_utils 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serenity_utils 0.7.0
[INFO] finished tweaking crates.io crate serenity_utils 0.7.0
[INFO] tweaked toml for crates.io crate serenity_utils 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serenity_utils 0.7.0 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 228 packages to latest compatible versions
[INFO] [stderr]       Adding serenity v0.11.7 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc357402ca82229902e2536a078417ac9965cd18ad04e0f05357abd7632c5381
[INFO] running `Command { std: "docker" "start" "-a" "fc357402ca82229902e2536a078417ac9965cd18ad04e0f05357abd7632c5381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc357402ca82229902e2536a078417ac9965cd18ad04e0f05357abd7632c5381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc357402ca82229902e2536a078417ac9965cd18ad04e0f05357abd7632c5381", kill_on_drop: false }`
[INFO] [stdout] fc357402ca82229902e2536a078417ac9965cd18ad04e0f05357abd7632c5381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5954842c377ba0b3aa0deaab656063941829dfb0e4bd30f71bbd205a3052d10
[INFO] running `Command { std: "docker" "start" "-a" "d5954842c377ba0b3aa0deaab656063941829dfb0e4bd30f71bbd205a3052d10", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]    Compiling serenity v0.11.7
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-0.14.32/src/proto/h2/mod.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d5954842c377ba0b3aa0deaab656063941829dfb0e4bd30f71bbd205a3052d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5954842c377ba0b3aa0deaab656063941829dfb0e4bd30f71bbd205a3052d10", kill_on_drop: false }`
[INFO] [stdout] d5954842c377ba0b3aa0deaab656063941829dfb0e4bd30f71bbd205a3052d10