[INFO] fetching crate uu_stdbuf_libstdbuf 0.0.1...
[INFO] checking uu_stdbuf_libstdbuf-0.0.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate uu_stdbuf_libstdbuf 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uu_stdbuf_libstdbuf 0.0.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_stdbuf_libstdbuf 0.0.1
[INFO] finished tweaking crates.io crate uu_stdbuf_libstdbuf 0.0.1
[INFO] tweaked toml for crates.io crate uu_stdbuf_libstdbuf 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75f76b2ea6f0f736dcccf35ce0e375481ca1dbec8473be23c052948a63cbdd8
[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" "b75f76b2ea6f0f736dcccf35ce0e375481ca1dbec8473be23c052948a63cbdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75f76b2ea6f0f736dcccf35ce0e375481ca1dbec8473be23c052948a63cbdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75f76b2ea6f0f736dcccf35ce0e375481ca1dbec8473be23c052948a63cbdd8", kill_on_drop: false }`
[INFO] [stdout] b75f76b2ea6f0f736dcccf35ce0e375481ca1dbec8473be23c052948a63cbdd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 3158b204e24bf2b9857816b508225b409778aaa686341f3fe8b24062326ceacc
[INFO] running `Command { std: "docker" "start" "-a" "3158b204e24bf2b9857816b508225b409778aaa686341f3fe8b24062326ceacc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking uucore v0.0.4
[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 uucore_procs v0.0.4
[INFO] [stderr]    Compiling cpp_macros v0.4.0
[INFO] [stderr]    Compiling uu_stdbuf_libstdbuf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpp v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.25s
[INFO] running `Command { std: "docker" "inspect" "3158b204e24bf2b9857816b508225b409778aaa686341f3fe8b24062326ceacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3158b204e24bf2b9857816b508225b409778aaa686341f3fe8b24062326ceacc", kill_on_drop: false }`
[INFO] [stdout] 3158b204e24bf2b9857816b508225b409778aaa686341f3fe8b24062326ceacc