[INFO] fetching crate twitter_send_frame 0.1.1...
[INFO] checking twitter_send_frame-0.1.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate twitter_send_frame 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate twitter_send_frame 0.1.1
[INFO] finished tweaking crates.io crate twitter_send_frame 0.1.1
[INFO] tweaked toml for crates.io crate twitter_send_frame 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twitter_send_frame 0.1.1 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 twitter_send_frame 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5644769985a7229d2063b4540fda2ac98e58cfad20606cc8f1fda6a45f8ceb2b
[INFO] running `Command { std: "docker" "start" "-a" "5644769985a7229d2063b4540fda2ac98e58cfad20606cc8f1fda6a45f8ceb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5644769985a7229d2063b4540fda2ac98e58cfad20606cc8f1fda6a45f8ceb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5644769985a7229d2063b4540fda2ac98e58cfad20606cc8f1fda6a45f8ceb2b", kill_on_drop: false }`
[INFO] [stdout] 5644769985a7229d2063b4540fda2ac98e58cfad20606cc8f1fda6a45f8ceb2b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48ca2c91a26912b066ac02c8f59beefd0c97760738e6d6fc2f3c289687501cb2
[INFO] running `Command { std: "docker" "start" "-a" "48ca2c91a26912b066ac02c8f59beefd0c97760738e6d6fc2f3c289687501cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.134
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.1
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking rustls-pemfile v0.2.1
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[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.1
[INFO] [stderr]    Compiling nom v4.2.3
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[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
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[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
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[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.7
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking hyper v0.14.16
[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-0.14.16/src/proto/h2/mod.rs:452:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     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" "48ca2c91a26912b066ac02c8f59beefd0c97760738e6d6fc2f3c289687501cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ca2c91a26912b066ac02c8f59beefd0c97760738e6d6fc2f3c289687501cb2", kill_on_drop: false }`
[INFO] [stdout] 48ca2c91a26912b066ac02c8f59beefd0c97760738e6d6fc2f3c289687501cb2
