[INFO] cloning repository https://github.com/nokute78/rust-ffi-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nokute78/rust-ffi-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokute78%2Frust-ffi-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokute78%2Frust-ffi-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49847e26ab151b28eb39f73acf9151b48e2b2753
[INFO] building nokute78/rust-ffi-study against try#50d916704ac4277b848d5a2e664fbf78c2444fec for pr-94962-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokute78%2Frust-ffi-study" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nokute78/rust-ffi-study on toolchain 50d916704ac4277b848d5a2e664fbf78c2444fec
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50d916704ac4277b848d5a2e664fbf78c2444fec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nokute78/rust-ffi-study
[INFO] finished tweaking git repo https://github.com/nokute78/rust-ffi-study
[INFO] tweaked toml for git repo https://github.com/nokute78/rust-ffi-study written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nokute78/rust-ffi-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50d916704ac4277b848d5a2e664fbf78c2444fec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+50d916704ac4277b848d5a2e664fbf78c2444fec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc8c15a62fb4e41d07352c90b18c8b7328f03156999c5107e1c71ded0b56ff5
[INFO] running `Command { std: "docker" "start" "-a" "3bc8c15a62fb4e41d07352c90b18c8b7328f03156999c5107e1c71ded0b56ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc8c15a62fb4e41d07352c90b18c8b7328f03156999c5107e1c71ded0b56ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc8c15a62fb4e41d07352c90b18c8b7328f03156999c5107e1c71ded0b56ff5", kill_on_drop: false }`
[INFO] [stdout] 3bc8c15a62fb4e41d07352c90b18c8b7328f03156999c5107e1c71ded0b56ff5
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+50d916704ac4277b848d5a2e664fbf78c2444fec" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae07c6f1eed4a0088aa2a03c35c967bc28fca83c6bd715d4cc83b7598c1f514
[INFO] running `Command { std: "docker" "start" "-a" "fae07c6f1eed4a0088aa2a03c35c967bc28fca83c6bd715d4cc83b7598c1f514", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling rust-ffi-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr::copy`
[INFO] [stdout]   --> src/string.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::ptr::copy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EVEN`
[INFO] [stdout]   --> src/integer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     EVEN = 10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ODD`
[INFO] [stdout]   --> src/integer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ODD,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "fae07c6f1eed4a0088aa2a03c35c967bc28fca83c6bd715d4cc83b7598c1f514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae07c6f1eed4a0088aa2a03c35c967bc28fca83c6bd715d4cc83b7598c1f514", kill_on_drop: false }`
[INFO] [stdout] fae07c6f1eed4a0088aa2a03c35c967bc28fca83c6bd715d4cc83b7598c1f514
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+50d916704ac4277b848d5a2e664fbf78c2444fec" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd1a2622d2fad3eb7dfa0071397b0314c27556fe6d6b4fc98dcbf90ca6b0f21
[INFO] running `Command { std: "docker" "start" "-a" "dfd1a2622d2fad3eb7dfa0071397b0314c27556fe6d6b4fc98dcbf90ca6b0f21", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ffi-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr::copy`
[INFO] [stdout]   --> src/string.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::ptr::copy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::libc`
[INFO] [stdout]   --> src/float.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::libc;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EVEN`
[INFO] [stdout]   --> src/integer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     EVEN = 10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ODD`
[INFO] [stdout]   --> src/integer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ODD,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_ffi_study-b366415896e36ff9)
[INFO] running `Command { std: "docker" "inspect" "dfd1a2622d2fad3eb7dfa0071397b0314c27556fe6d6b4fc98dcbf90ca6b0f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd1a2622d2fad3eb7dfa0071397b0314c27556fe6d6b4fc98dcbf90ca6b0f21", kill_on_drop: false }`
[INFO] [stdout] dfd1a2622d2fad3eb7dfa0071397b0314c27556fe6d6b4fc98dcbf90ca6b0f21