[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] testing nokute78/rust-ffi-study against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnokute78%2Frust-ffi-study" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nokute78/rust-ffi-study on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-5/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63fb9272affbdfdff471c4c82230ab1d960a7ff9c7756a0c36d48ef9c775856f
[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" "63fb9272affbdfdff471c4c82230ab1d960a7ff9c7756a0c36d48ef9c775856f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63fb9272affbdfdff471c4c82230ab1d960a7ff9c7756a0c36d48ef9c775856f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fb9272affbdfdff471c4c82230ab1d960a7ff9c7756a0c36d48ef9c775856f", kill_on_drop: false }`
[INFO] [stdout] 63fb9272affbdfdff471c4c82230ab1d960a7ff9c7756a0c36d48ef9c775856f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d22c433d23419f54f318ee18702ff6929506e1527fb53fd3c11ed136ed6e174
[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" "1d22c433d23419f54f318ee18702ff6929506e1527fb53fd3c11ed136ed6e174", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.42
[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 3.76s
[INFO] running `Command { std: "docker" "inspect" "1d22c433d23419f54f318ee18702ff6929506e1527fb53fd3c11ed136ed6e174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d22c433d23419f54f318ee18702ff6929506e1527fb53fd3c11ed136ed6e174", kill_on_drop: false }`
[INFO] [stdout] 1d22c433d23419f54f318ee18702ff6929506e1527fb53fd3c11ed136ed6e174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e42a27e226e97394163595bba6ced408992829969a0da0397963a46c4167b24
[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" "8e42a27e226e97394163595bba6ced408992829969a0da0397963a46c4167b24", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "8e42a27e226e97394163595bba6ced408992829969a0da0397963a46c4167b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e42a27e226e97394163595bba6ced408992829969a0da0397963a46c4167b24", kill_on_drop: false }`
[INFO] [stdout] 8e42a27e226e97394163595bba6ced408992829969a0da0397963a46c4167b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] a6441560f56e4c8c25ef73442562fcf61536aea59a07bc354ca4e52f6bdc3c83
[INFO] running `Command { std: "docker" "start" "-a" "a6441560f56e4c8c25ef73442562fcf61536aea59a07bc354ca4e52f6bdc3c83", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ptr::copy`
[INFO] [stderr]   --> src/string.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::ptr::copy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::libc`
[INFO] [stderr]   --> src/float.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     use super::libc;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EVEN`
[INFO] [stderr]   --> src/integer.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     EVEN = 10,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ODD`
[INFO] [stderr]   --> src/integer.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     ODD,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ffi_study-5553768e03ad44e5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test float::tests::test_cmp_double_val ... ok
[INFO] [stdout] test integer::tests::test_c_ret_even_odd ... ok
[INFO] [stdout] test integer::tests::test_c_int_max ... ok
[INFO] [stdout] test integer::tests::test_c_return_int64_t ... ok
[INFO] [stdout] test callback::tests::test_c_callback_plus_one ... ok
[INFO] [stdout] test integer::tests::test_c_return_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6441560f56e4c8c25ef73442562fcf61536aea59a07bc354ca4e52f6bdc3c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6441560f56e4c8c25ef73442562fcf61536aea59a07bc354ca4e52f6bdc3c83", kill_on_drop: false }`
[INFO] [stdout] a6441560f56e4c8c25ef73442562fcf61536aea59a07bc354ca4e52f6bdc3c83