[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b 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-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 ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.42
[INFO] [stderr]   Downloaded libc v0.2.62
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 5ef4969913f820352de69d2f40242c74470c837a0e6503a04cc1db5111b95ac1
[INFO] running `Command { std: "docker" "start" "-a" "5ef4969913f820352de69d2f40242c74470c837a0e6503a04cc1db5111b95ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef4969913f820352de69d2f40242c74470c837a0e6503a04cc1db5111b95ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef4969913f820352de69d2f40242c74470c837a0e6503a04cc1db5111b95ac1", kill_on_drop: false }`
[INFO] [stdout] 5ef4969913f820352de69d2f40242c74470c837a0e6503a04cc1db5111b95ac1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e609261b4cfa8928e9231e728895127df9755b5d9dc2ac16770b4908ca7226
[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" "65e609261b4cfa8928e9231e728895127df9755b5d9dc2ac16770b4908ca7226", 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 4.24s
[INFO] running `Command { std: "docker" "inspect" "65e609261b4cfa8928e9231e728895127df9755b5d9dc2ac16770b4908ca7226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e609261b4cfa8928e9231e728895127df9755b5d9dc2ac16770b4908ca7226", kill_on_drop: false }`
[INFO] [stdout] 65e609261b4cfa8928e9231e728895127df9755b5d9dc2ac16770b4908ca7226
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30cf908bbe8b9ab049f7d30437badb74d178caf53c2da638858a1f3deaaa6c98
[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" "30cf908bbe8b9ab049f7d30437badb74d178caf53c2da638858a1f3deaaa6c98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.88s
[INFO] running `Command { std: "docker" "inspect" "30cf908bbe8b9ab049f7d30437badb74d178caf53c2da638858a1f3deaaa6c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cf908bbe8b9ab049f7d30437badb74d178caf53c2da638858a1f3deaaa6c98", kill_on_drop: false }`
[INFO] [stdout] 30cf908bbe8b9ab049f7d30437badb74d178caf53c2da638858a1f3deaaa6c98
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d72b0ff61ebe08cf3fbc2ca3dbc3dc241578601798ed9e4f5d03e3aa2d52a167
[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" "d72b0ff61ebe08cf3fbc2ca3dbc3dc241578601798ed9e4f5d03e3aa2d52a167", 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 integer::tests::test_c_return_int64_t ... ok
[INFO] [stdout] test integer::tests::test_c_int_max ... ok
[INFO] [stdout] test callback::tests::test_c_callback_plus_one ... ok
[INFO] [stdout] test integer::tests::test_c_ret_even_odd ... ok
[INFO] [stdout] test integer::tests::test_c_return_int ... ok
[INFO] [stdout] test float::tests::test_cmp_double_val ... 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" "d72b0ff61ebe08cf3fbc2ca3dbc3dc241578601798ed9e4f5d03e3aa2d52a167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72b0ff61ebe08cf3fbc2ca3dbc3dc241578601798ed9e4f5d03e3aa2d52a167", kill_on_drop: false }`
[INFO] [stdout] d72b0ff61ebe08cf3fbc2ca3dbc3dc241578601798ed9e4f5d03e3aa2d52a167