[INFO] fetching crate mkml 0.2.1...
[INFO] checking mkml-0.2.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate mkml 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mkml 0.2.1
[INFO] finished tweaking crates.io crate mkml 0.2.1
[INFO] tweaked toml for crates.io crate mkml 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkml 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 mkml 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-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] 6a1d1343fd2e40c399e3ff856e4468915e4c651513771b93f44493ad1cde5acf
[INFO] running `Command { std: "docker" "start" "-a" "6a1d1343fd2e40c399e3ff856e4468915e4c651513771b93f44493ad1cde5acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1d1343fd2e40c399e3ff856e4468915e4c651513771b93f44493ad1cde5acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1d1343fd2e40c399e3ff856e4468915e4c651513771b93f44493ad1cde5acf", kill_on_drop: false }`
[INFO] [stdout] 6a1d1343fd2e40c399e3ff856e4468915e4c651513771b93f44493ad1cde5acf
[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] 25b0452a55c26e505a91cbf09e4c2cf0c6c68093b62dcd87b1ac7445f2ff51b3
[INFO] running `Command { std: "docker" "start" "-a" "25b0452a55c26e505a91cbf09e4c2cf0c6c68093b62dcd87b1ac7445f2ff51b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking slab v0.4.7
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httparse v1.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking console v0.15.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking encoding_rs v0.8.31
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling self_update v0.32.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking indicatif v0.17.1
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking profile_time v0.1.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v4.0.1
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking clap v4.0.4
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[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-0.14.20/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25b0452a55c26e505a91cbf09e4c2cf0c6c68093b62dcd87b1ac7445f2ff51b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b0452a55c26e505a91cbf09e4c2cf0c6c68093b62dcd87b1ac7445f2ff51b3", kill_on_drop: false }`
[INFO] [stdout] 25b0452a55c26e505a91cbf09e4c2cf0c6c68093b62dcd87b1ac7445f2ff51b3
