[INFO] fetching crate rust_icu_umsg 0.3.0...
[INFO] checking rust_icu_umsg-0.3.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate rust_icu_umsg 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_icu_umsg 0.3.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_icu_umsg 0.3.0
[INFO] finished tweaking crates.io crate rust_icu_umsg 0.3.0
[INFO] tweaked toml for crates.io crate rust_icu_umsg 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a20a9109990a5ccb130d0d30bd0c80c1eb4c4208a467c46f9885ae505e774b3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a20a9109990a5ccb130d0d30bd0c80c1eb4c4208a467c46f9885ae505e774b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20a9109990a5ccb130d0d30bd0c80c1eb4c4208a467c46f9885ae505e774b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20a9109990a5ccb130d0d30bd0c80c1eb4c4208a467c46f9885ae505e774b3d", kill_on_drop: false }`
[INFO] [stdout] a20a9109990a5ccb130d0d30bd0c80c1eb4c4208a467c46f9885ae505e774b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bcdc3c5e3371dac1b181c7d8195d4939e1d6ceeec9a97c52a53cf41cb1d9240
[INFO] running `Command { std: "docker" "start" "-a" "0bcdc3c5e3371dac1b181c7d8195d4939e1d6ceeec9a97c52a53cf41cb1d9240", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking anyhow v1.0.32
[INFO] [stderr]    Compiling rust_icu_uloc v0.3.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling rust_icu_sys v0.3.0
[INFO] [stderr]     Checking rust_icu_common v0.3.0
[INFO] [stderr]     Checking rust_icu_ustring v0.3.0
[INFO] [stderr]     Checking rust_icu_uenum v0.3.0
[INFO] [stderr]     Checking rust_icu_ucal v0.3.0
[INFO] [stderr]     Checking rust_icu_umsg v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `std::result::Result<std::string::String, rust_icu_common::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:363:6
[INFO] [stdout]     |
[INFO] [stdout] 363 | ) -> Result<String, common::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::result::Result<std::string::String, rust_icu_common::Error>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:363:6
[INFO] [stdout]     |
[INFO] [stdout] 363 | ) -> Result<String, common::Error> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "0bcdc3c5e3371dac1b181c7d8195d4939e1d6ceeec9a97c52a53cf41cb1d9240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcdc3c5e3371dac1b181c7d8195d4939e1d6ceeec9a97c52a53cf41cb1d9240", kill_on_drop: false }`
[INFO] [stdout] 0bcdc3c5e3371dac1b181c7d8195d4939e1d6ceeec9a97c52a53cf41cb1d9240