[INFO] fetching crate mcs3 0.1.2...
[INFO] checking mcs3-0.1.2 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate mcs3 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mcs3 0.1.2
[INFO] finished tweaking crates.io crate mcs3 0.1.2
[INFO] tweaked toml for crates.io crate mcs3 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcs3 0.1.2 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] 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 352 packages to latest compatible versions
[INFO] [stderr]       Adding attohttpc v0.22.0 (available: v0.30.1)
[INFO] [stderr]       Adding aws-creds v0.34.1 (available: v0.39.0)
[INFO] [stderr]       Adding aws-region v0.25.5 (available: v0.28.0)
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding crypto-mac v0.10.0 (available: v0.10.1)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding minidom v0.15.2 (available: v0.17.0)
[INFO] [stderr]       Adding quick-xml v0.26.0 (available: v0.38.3)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding universal-hash v0.4.0 (available: v0.4.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 86586cc78f7488995adf0652a3d4fc06dbab0f1c0b897e153caf4928c7ea8c53
[INFO] running `Command { std: "docker" "start" "-a" "86586cc78f7488995adf0652a3d4fc06dbab0f1c0b897e153caf4928c7ea8c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86586cc78f7488995adf0652a3d4fc06dbab0f1c0b897e153caf4928c7ea8c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86586cc78f7488995adf0652a3d4fc06dbab0f1c0b897e153caf4928c7ea8c53", kill_on_drop: false }`
[INFO] [stdout] 86586cc78f7488995adf0652a3d4fc06dbab0f1c0b897e153caf4928c7ea8c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f9fe465bc244a3110636b58b86900ac6923abcae6fcffc606375081fa6c67543
[INFO] running `Command { std: "docker" "start" "-a" "f9fe465bc244a3110636b58b86900ac6923abcae6fcffc606375081fa6c67543", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking native-tls v0.2.14
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking rxml_validation v0.9.1
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rxml v0.9.1
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking attohttpc v0.22.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking minidom v0.15.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking aws-region v0.25.5
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking aws-creds v0.34.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking h2 v0.3.27
[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" "f9fe465bc244a3110636b58b86900ac6923abcae6fcffc606375081fa6c67543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fe465bc244a3110636b58b86900ac6923abcae6fcffc606375081fa6c67543", kill_on_drop: false }`
[INFO] [stdout] f9fe465bc244a3110636b58b86900ac6923abcae6fcffc606375081fa6c67543
