[INFO] fetching crate tracing-layer-discord 0.3.2...
[INFO] checking tracing-layer-discord-0.3.2 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate tracing-layer-discord 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tracing-layer-discord 0.3.2
[INFO] finished tweaking crates.io crate tracing-layer-discord 0.3.2
[INFO] tweaked toml for crates.io crate tracing-layer-discord 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-layer-discord 0.3.2 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] crate crates.io crate tracing-layer-discord 0.3.2 already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eec6c49f44ab2d15e1cb4df0332be2ee2c749104c02fbd13e609712db3b2c104
[INFO] running `Command { std: "docker" "start" "-a" "eec6c49f44ab2d15e1cb4df0332be2ee2c749104c02fbd13e609712db3b2c104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eec6c49f44ab2d15e1cb4df0332be2ee2c749104c02fbd13e609712db3b2c104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec6c49f44ab2d15e1cb4df0332be2ee2c749104c02fbd13e609712db3b2c104", kill_on_drop: false }`
[INFO] [stdout] eec6c49f44ab2d15e1cb4df0332be2ee2c749104c02fbd13e609712db3b2c104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4ab7aa4b2b268b573a7fb91d071be39b986357556503ae3d0fdf473a561dd579
[INFO] running `Command { std: "docker" "start" "-a" "4ab7aa4b2b268b573a7fb91d071be39b986357556503ae3d0fdf473a561dd579", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking async-compression v0.4.8
[INFO] [stderr]     Checking h2 v0.4.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.3.9
[INFO] [stderr]     Checking hyper v1.3.1
[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-1.3.1/src/proto/h2/mod.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 430 |     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" "4ab7aa4b2b268b573a7fb91d071be39b986357556503ae3d0fdf473a561dd579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab7aa4b2b268b573a7fb91d071be39b986357556503ae3d0fdf473a561dd579", kill_on_drop: false }`
[INFO] [stdout] 4ab7aa4b2b268b573a7fb91d071be39b986357556503ae3d0fdf473a561dd579