[INFO] fetching crate musd 0.2.1...
[INFO] checking musd-0.2.1 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] extracting crate musd 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate musd 0.2.1
[INFO] finished tweaking crates.io crate musd 0.2.1
[INFO] tweaked toml for crates.io crate musd 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate musd 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 musd 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e861b21a2ca70361fa91b8aab0fac7aefa2b31e88a63f56a106f709f7ff2cbdc
[INFO] running `Command { std: "docker" "start" "-a" "e861b21a2ca70361fa91b8aab0fac7aefa2b31e88a63f56a106f709f7ff2cbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e861b21a2ca70361fa91b8aab0fac7aefa2b31e88a63f56a106f709f7ff2cbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e861b21a2ca70361fa91b8aab0fac7aefa2b31e88a63f56a106f709f7ff2cbdc", kill_on_drop: false }`
[INFO] [stdout] e861b21a2ca70361fa91b8aab0fac7aefa2b31e88a63f56a106f709f7ff2cbdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5b16407f39b2312ffd0074b800bde85f9f21b6d3a7dc96b000cd03c002b0004d
[INFO] running `Command { std: "docker" "start" "-a" "5b16407f39b2312ffd0074b800bde85f9f21b6d3a7dc96b000cd03c002b0004d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling is_debug v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking papergrid v0.4.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling libz-sys v1.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]    Compiling const_format v0.2.23
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking indicatif v0.17.0-rc.10
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling git2 v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tabled_derive v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking tabled v0.7.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking shadow-rs v0.11.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]    Compiling musd v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.18
[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-0.14.18/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" "5b16407f39b2312ffd0074b800bde85f9f21b6d3a7dc96b000cd03c002b0004d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b16407f39b2312ffd0074b800bde85f9f21b6d3a7dc96b000cd03c002b0004d", kill_on_drop: false }`
[INFO] [stdout] 5b16407f39b2312ffd0074b800bde85f9f21b6d3a7dc96b000cd03c002b0004d
