[INFO] fetching crate SafeManuallyDrop 1.0.3...
[INFO] testing SafeManuallyDrop-1.0.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate SafeManuallyDrop 1.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate SafeManuallyDrop 1.0.3
[INFO] finished tweaking crates.io crate SafeManuallyDrop 1.0.3
[INFO] tweaked toml for crates.io crate SafeManuallyDrop 1.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate SafeManuallyDrop 1.0.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate SafeManuallyDrop 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13bc013d8b1b42bc72524769f21eee7ce2fe311ef3c692b3fef1536be762c200
[INFO] running `Command { std: "docker" "start" "-a" "13bc013d8b1b42bc72524769f21eee7ce2fe311ef3c692b3fef1536be762c200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13bc013d8b1b42bc72524769f21eee7ce2fe311ef3c692b3fef1536be762c200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bc013d8b1b42bc72524769f21eee7ce2fe311ef3c692b3fef1536be762c200", kill_on_drop: false }`
[INFO] [stdout] 13bc013d8b1b42bc72524769f21eee7ce2fe311ef3c692b3fef1536be762c200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c7fc63744a753b4fd2fa3f4a4c1fd4c11907446e1f16960a282662c40aa3ecf5
[INFO] running `Command { std: "docker" "start" "-a" "c7fc63744a753b4fd2fa3f4a4c1fd4c11907446e1f16960a282662c40aa3ecf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling SafeManuallyDrop v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c7fc63744a753b4fd2fa3f4a4c1fd4c11907446e1f16960a282662c40aa3ecf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fc63744a753b4fd2fa3f4a4c1fd4c11907446e1f16960a282662c40aa3ecf5", kill_on_drop: false }`
[INFO] [stdout] c7fc63744a753b4fd2fa3f4a4c1fd4c11907446e1f16960a282662c40aa3ecf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d94454534501b1401d467e6312612cfe283cd6d704bb062931712c012c046b0a
[INFO] running `Command { std: "docker" "start" "-a" "d94454534501b1401d467e6312612cfe283cd6d704bb062931712c012c046b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling SafeManuallyDrop v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/easy_struct.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ControlDrop(usize);
[INFO] [stdout]    |        ----------- ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ControlDrop` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "d94454534501b1401d467e6312612cfe283cd6d704bb062931712c012c046b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94454534501b1401d467e6312612cfe283cd6d704bb062931712c012c046b0a", kill_on_drop: false }`
[INFO] [stdout] d94454534501b1401d467e6312612cfe283cd6d704bb062931712c012c046b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8c8c7186c6430693a43c716107401379c32b3c1cc7966500c16c9b53e2c2843a
[INFO] running `Command { std: "docker" "start" "-a" "8c8c7186c6430693a43c716107401379c32b3c1cc7966500c16c9b53e2c2843a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/easy_struct.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct ControlDrop(usize);
[INFO] [stderr]    |        ----------- ^^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `ControlDrop` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `SafeManuallyDrop` (example "easy_struct") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/SafeManuallyDrop-67e625ea231b2274)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test core::flags::test_flag_is_safe_mode ... ok
[INFO] [stdout] test core::state::test_state ... ok
[INFO] [stdout] test core::state::test_reset ... ok
[INFO] [stdout] test core::state::test_const_empty_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/all.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/all-aa517b8f4ce2f5db)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_thread_drop ... ok
[INFO] [stdout] test test_panic_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/compare.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/compare-cb8dfcbdca87cda0)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compare_api ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c8c7186c6430693a43c716107401379c32b3c1cc7966500c16c9b53e2c2843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8c7186c6430693a43c716107401379c32b3c1cc7966500c16c9b53e2c2843a", kill_on_drop: false }`
[INFO] [stdout] 8c8c7186c6430693a43c716107401379c32b3c1cc7966500c16c9b53e2c2843a