[INFO] cloning repository https://github.com/matthewthechickenman/collaborative-draw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthewthechickenman/collaborative-draw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewthechickenman%2Fcollaborative-draw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewthechickenman%2Fcollaborative-draw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 040d4a7e73ba65d331cf3bec2f2283a0d64fb65c
[INFO] checking matthewthechickenman/collaborative-draw against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewthechickenman%2Fcollaborative-draw" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matthewthechickenman/collaborative-draw
[INFO] finished tweaking git repo https://github.com/matthewthechickenman/collaborative-draw
[INFO] tweaked toml for git repo https://github.com/matthewthechickenman/collaborative-draw written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matthewthechickenman/collaborative-draw 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 git repo https://github.com/matthewthechickenman/collaborative-draw 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-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] 283fa9d21d3d4931bdceb3cc32c30523fcb0e42b0c49961847043d68c53a0334
[INFO] running `Command { std: "docker" "start" "-a" "283fa9d21d3d4931bdceb3cc32c30523fcb0e42b0c49961847043d68c53a0334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283fa9d21d3d4931bdceb3cc32c30523fcb0e42b0c49961847043d68c53a0334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283fa9d21d3d4931bdceb3cc32c30523fcb0e42b0c49961847043d68c53a0334", kill_on_drop: false }`
[INFO] [stdout] 283fa9d21d3d4931bdceb3cc32c30523fcb0e42b0c49961847043d68c53a0334
[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] ef4053f69473c7fcfa7323921f3d862f17c8bf347a380304af6a8bd6526f482c
[INFO] running `Command { std: "docker" "start" "-a" "ef4053f69473c7fcfa7323921f3d862f17c8bf347a380304af6a8bd6526f482c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.134
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling serde_json v1.0.76
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking h2 v0.3.10
[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]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef4053f69473c7fcfa7323921f3d862f17c8bf347a380304af6a8bd6526f482c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4053f69473c7fcfa7323921f3d862f17c8bf347a380304af6a8bd6526f482c", kill_on_drop: false }`
[INFO] [stdout] ef4053f69473c7fcfa7323921f3d862f17c8bf347a380304af6a8bd6526f482c