[INFO] cloning repository https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-std_misc-process-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-std_misc-process-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0101c3863d66d9d0cb805469a1667286aacfc65d
[INFO] checking intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintrepion%2Fexample-x-rust-x-rustbyexample-com-x-std_misc-process-pipe" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe
[INFO] finished tweaking git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe
[INFO] tweaked toml for git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] fbe5e8ae30d6304782557f2e8f9a2651ff300e7414028aaeb5cbecc3767776a6
[INFO] running `Command { std: "docker" "start" "-a" "fbe5e8ae30d6304782557f2e8f9a2651ff300e7414028aaeb5cbecc3767776a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe5e8ae30d6304782557f2e8f9a2651ff300e7414028aaeb5cbecc3767776a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe5e8ae30d6304782557f2e8f9a2651ff300e7414028aaeb5cbecc3767776a6", kill_on_drop: false }`
[INFO] [stdout] fbe5e8ae30d6304782557f2e8f9a2651ff300e7414028aaeb5cbecc3767776a6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 37a54cad937cf3ac7022891dc52dad9dca1386e8e9959829e8e0195dd60412d6
[INFO] running `Command { std: "docker" "start" "-a" "37a54cad937cf3ac7022891dc52dad9dca1386e8e9959829e8e0195dd60412d6", kill_on_drop: false }`
[INFO] [stderr]     Checking example-x-rust-x-rustbyexample-com-x-std_misc-process-pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("couldn't spawn wc: {}", why.description()),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:57
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("couldn't spawn wc: {}", why.description()),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "37a54cad937cf3ac7022891dc52dad9dca1386e8e9959829e8e0195dd60412d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a54cad937cf3ac7022891dc52dad9dca1386e8e9959829e8e0195dd60412d6", kill_on_drop: false }`
[INFO] [stdout] 37a54cad937cf3ac7022891dc52dad9dca1386e8e9959829e8e0195dd60412d6