[INFO] fetching crate rust_icu_ustring 0.3.0...
[INFO] checking rust_icu_ustring-0.3.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate rust_icu_ustring 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust_icu_ustring 0.3.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_icu_ustring 0.3.0
[INFO] finished tweaking crates.io crate rust_icu_ustring 0.3.0
[INFO] tweaked toml for crates.io crate rust_icu_ustring 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", 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] b9b35d1bb80070b328a480a759808b797f0c0dfbebb2203d4f6d8ac132ea0faf
[INFO] running `Command { std: "docker" "start" "-a" "b9b35d1bb80070b328a480a759808b797f0c0dfbebb2203d4f6d8ac132ea0faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b35d1bb80070b328a480a759808b797f0c0dfbebb2203d4f6d8ac132ea0faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b35d1bb80070b328a480a759808b797f0c0dfbebb2203d4f6d8ac132ea0faf", kill_on_drop: false }`
[INFO] [stdout] b9b35d1bb80070b328a480a759808b797f0c0dfbebb2203d4f6d8ac132ea0faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5579cb539effeba8ae386a1fe6b7b7b417c767b97c3177d8a748d3fec1f4f8f
[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" "c5579cb539effeba8ae386a1fe6b7b7b417c767b97c3177d8a748d3fec1f4f8f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.1
[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 paste-impl v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking paste v0.1.16
[INFO] [stderr]     Checking thiserror v1.0.19
[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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "c5579cb539effeba8ae386a1fe6b7b7b417c767b97c3177d8a748d3fec1f4f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5579cb539effeba8ae386a1fe6b7b7b417c767b97c3177d8a748d3fec1f4f8f", kill_on_drop: false }`
[INFO] [stdout] c5579cb539effeba8ae386a1fe6b7b7b417c767b97c3177d8a748d3fec1f4f8f