[INFO] fetching crate rustycasc 0.2.1...
[INFO] checking rustycasc-0.2.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate rustycasc 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rustycasc 0.2.1
[INFO] finished tweaking crates.io crate rustycasc 0.2.1
[INFO] tweaked toml for crates.io crate rustycasc 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustycasc 0.2.1 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 rustycasc 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d844c063c68cf8d28e33dd044e74b427dc84b799b32622f673886a9a3ab6323a
[INFO] running `Command { std: "docker" "start" "-a" "d844c063c68cf8d28e33dd044e74b427dc84b799b32622f673886a9a3ab6323a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d844c063c68cf8d28e33dd044e74b427dc84b799b32622f673886a9a3ab6323a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d844c063c68cf8d28e33dd044e74b427dc84b799b32622f673886a9a3ab6323a", kill_on_drop: false }`
[INFO] [stdout] d844c063c68cf8d28e33dd044e74b427dc84b799b32622f673886a9a3ab6323a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ada142f4e3873172e2cc80de916c7e72e6f645483ae04cd69519cd18726feced
[INFO] running `Command { std: "docker" "start" "-a" "ada142f4e3873172e2cc80de916c7e72e6f645483ae04cd69519cd18726feced", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hashers v1.0.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling velcro_core v0.5.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling velcro_macros v0.5.2
[INFO] [stderr]    Compiling nom-derive-impl v0.10.0
[INFO] [stderr]     Checking velcro v0.5.3
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking nom-derive v0.10.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking hyper v0.14.13
[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-0.14.13/src/proto/h2/mod.rs:450:5
[INFO] [stdout]     |
[INFO] [stdout] 450 |     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" "ada142f4e3873172e2cc80de916c7e72e6f645483ae04cd69519cd18726feced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada142f4e3873172e2cc80de916c7e72e6f645483ae04cd69519cd18726feced", kill_on_drop: false }`
[INFO] [stdout] ada142f4e3873172e2cc80de916c7e72e6f645483ae04cd69519cd18726feced
