[INFO] fetching crate uu_stdbuf_libstdbuf 0.0.3...
[INFO] checking uu_stdbuf_libstdbuf-0.0.3 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate uu_stdbuf_libstdbuf 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate uu_stdbuf_libstdbuf 0.0.3 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_stdbuf_libstdbuf 0.0.3
[INFO] finished tweaking crates.io crate uu_stdbuf_libstdbuf 0.0.3
[INFO] tweaked toml for crates.io crate uu_stdbuf_libstdbuf 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 949e557f0c176c36ccbb39d7dfe5e2f56b408aa75ee7828a10f1d878222c7f1c
[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" "949e557f0c176c36ccbb39d7dfe5e2f56b408aa75ee7828a10f1d878222c7f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949e557f0c176c36ccbb39d7dfe5e2f56b408aa75ee7828a10f1d878222c7f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949e557f0c176c36ccbb39d7dfe5e2f56b408aa75ee7828a10f1d878222c7f1c", kill_on_drop: false }`
[INFO] [stdout] 949e557f0c176c36ccbb39d7dfe5e2f56b408aa75ee7828a10f1d878222c7f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] be32f1ddc29a59e22fd6c81f94e3532f7eadc860ef1fd3270b5946307ba1072d
[INFO] running `Command { std: "docker" "start" "-a" "be32f1ddc29a59e22fd6c81f94e3532f7eadc860ef1fd3270b5946307ba1072d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]     Checking uucore v0.0.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cpp_common v0.4.0
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_build v0.4.0
[INFO] [stderr]    Compiling cpp_macros v0.4.0
[INFO] [stderr]    Compiling uu_stdbuf_libstdbuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling uucore_procs v0.0.5
[INFO] [stderr]     Checking cpp v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.83s
[INFO] running `Command { std: "docker" "inspect" "be32f1ddc29a59e22fd6c81f94e3532f7eadc860ef1fd3270b5946307ba1072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be32f1ddc29a59e22fd6c81f94e3532f7eadc860ef1fd3270b5946307ba1072d", kill_on_drop: false }`
[INFO] [stdout] be32f1ddc29a59e22fd6c81f94e3532f7eadc860ef1fd3270b5946307ba1072d