[INFO] cloning repository https://github.com/IceDynamix/mwc-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IceDynamix/mwc-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fmwc-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fmwc-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b67442e36ed1b92fc3f09076a3b1a46ef5f49c5
[INFO] checking IceDynamix/mwc-helper against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIceDynamix%2Fmwc-helper" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IceDynamix/mwc-helper
[INFO] finished tweaking git repo https://github.com/IceDynamix/mwc-helper
[INFO] tweaked toml for git repo https://github.com/IceDynamix/mwc-helper written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IceDynamix/mwc-helper 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/IceDynamix/mwc-helper 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] 077855fea4776a3a6eab09d0af4e716bdfb3904bf9b934a23d4f1c9b5e961782
[INFO] running `Command { std: "docker" "start" "-a" "077855fea4776a3a6eab09d0af4e716bdfb3904bf9b934a23d4f1c9b5e961782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077855fea4776a3a6eab09d0af4e716bdfb3904bf9b934a23d4f1c9b5e961782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077855fea4776a3a6eab09d0af4e716bdfb3904bf9b934a23d4f1c9b5e961782", kill_on_drop: false }`
[INFO] [stdout] 077855fea4776a3a6eab09d0af4e716bdfb3904bf9b934a23d4f1c9b5e961782
[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] 64d867ea9e572b56b128c0ebb23938ecc4a480a0587e056ed000c5e5e769523d
[INFO] running `Command { std: "docker" "start" "-a" "64d867ea9e572b56b128c0ebb23938ecc4a480a0587e056ed000c5e5e769523d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling ring v0.17.9
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking miniz_oxide v0.8.4
[INFO] [stderr]    Compiling serenity v0.12.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking typemap_rev v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling mwc-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking webpki-roots v0.26.8
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling poise_macros v0.6.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking serde_cow v0.1.2
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking tungstenite v0.21.0
[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]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "64d867ea9e572b56b128c0ebb23938ecc4a480a0587e056ed000c5e5e769523d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d867ea9e572b56b128c0ebb23938ecc4a480a0587e056ed000c5e5e769523d", kill_on_drop: false }`
[INFO] [stdout] 64d867ea9e572b56b128c0ebb23938ecc4a480a0587e056ed000c5e5e769523d