[INFO] fetching crate tcpp 0.1.0...
[INFO] checking tcpp-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate tcpp 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tcpp 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcpp 0.1.0
[INFO] finished tweaking crates.io crate tcpp 0.1.0
[INFO] tweaked toml for crates.io crate tcpp 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df3b91d3e61adcbf4a7b766c4755a5299ab16c390cca117e86e4f4f996158e04
[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" "df3b91d3e61adcbf4a7b766c4755a5299ab16c390cca117e86e4f4f996158e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3b91d3e61adcbf4a7b766c4755a5299ab16c390cca117e86e4f4f996158e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3b91d3e61adcbf4a7b766c4755a5299ab16c390cca117e86e4f4f996158e04", kill_on_drop: false }`
[INFO] [stdout] df3b91d3e61adcbf4a7b766c4755a5299ab16c390cca117e86e4f4f996158e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 99a9aee075dc8245671042ca272e7406c5c02517c59d484f807415aa15de76e0
[INFO] running `Command { std: "docker" "start" "-a" "99a9aee075dc8245671042ca272e7406c5c02517c59d484f807415aa15de76e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling tcpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/tcpp.cpp: In function 'IInputStream* create_input_stream(const char*)':
[INFO] [stderr] warning: src/tcpp.cpp:19:54: warning: casting 'std::__cxx11::basic_string<char>*' to 'std::string&' {aka 'std::__cxx11::basic_string<char>&'} does not dereference pointer
[INFO] [stderr] warning:    19 |         return new StringInputStream((std::string &) source);
[INFO] [stderr] warning:       |                                                      ^~~~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "99a9aee075dc8245671042ca272e7406c5c02517c59d484f807415aa15de76e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a9aee075dc8245671042ca272e7406c5c02517c59d484f807415aa15de76e0", kill_on_drop: false }`
[INFO] [stdout] 99a9aee075dc8245671042ca272e7406c5c02517c59d484f807415aa15de76e0