[INFO] fetching crate markov_bot 1.0.4...
[INFO] checking markov_bot-1.0.4 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate markov_bot 1.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate markov_bot 1.0.4
[INFO] finished tweaking crates.io crate markov_bot 1.0.4
[INFO] tweaked toml for crates.io crate markov_bot 1.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markov_bot 1.0.4 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 markov_bot 1.0.4 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f1c94046c4276a3e15302c0325a24153acd0816975dbcd1bbb3135ecea87e0a3
[INFO] running `Command { std: "docker" "start" "-a" "f1c94046c4276a3e15302c0325a24153acd0816975dbcd1bbb3135ecea87e0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c94046c4276a3e15302c0325a24153acd0816975dbcd1bbb3135ecea87e0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c94046c4276a3e15302c0325a24153acd0816975dbcd1bbb3135ecea87e0a3", kill_on_drop: false }`
[INFO] [stdout] f1c94046c4276a3e15302c0325a24153acd0816975dbcd1bbb3135ecea87e0a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f32cc28e1b00df8c544a674ee5fef367e8b6d9435e7bbd0c4b0be72977dd2173
[INFO] running `Command { std: "docker" "start" "-a" "f32cc28e1b00df8c544a674ee5fef367e8b6d9435e7bbd0c4b0be72977dd2173", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling serenity v0.11.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking salsa20 v0.9.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling songbird v0.3.0
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.8.0
[INFO] [stderr]     Checking audiopus v0.3.0-rc.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking symphonia-core v0.5.1
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking discortp v0.4.0
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking streamcatcher v1.0.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]     Checking markov_strings v0.1.5
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking serenity-voice-model v0.1.1
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking hyper v0.14.20
[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-0.14.20/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" "f32cc28e1b00df8c544a674ee5fef367e8b6d9435e7bbd0c4b0be72977dd2173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32cc28e1b00df8c544a674ee5fef367e8b6d9435e7bbd0c4b0be72977dd2173", kill_on_drop: false }`
[INFO] [stdout] f32cc28e1b00df8c544a674ee5fef367e8b6d9435e7bbd0c4b0be72977dd2173
