[INFO] fetching crate ma_proper 1.0.0...
[INFO] fixing ma_proper-1.0.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate ma_proper 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ma_proper 1.0.0
[INFO] finished tweaking crates.io crate ma_proper 1.0.0
[INFO] tweaked toml for crates.io crate ma_proper 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ma_proper 1.0.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115
[INFO] running `Command { std: "docker" "start" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling cc v1.2.65
[INFO] [stderr]    Compiling ma_proper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed build.rs (2 fixes)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_vec.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_metadata.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/test_string.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] [stderr] crater-edition-check: ma_proper v1.0.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]    Compiling ma_proper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/test_vec.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     struct Aligned(u64);
[INFO] [stdout]    |            ------- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Aligned` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking ma_proper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/lib.rs (7 fixes)
[INFO] [stderr]    Migrating tests/test_metadata.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_string.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/test_vec.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] [stderr] crater-edition-check: ma_proper v1.0.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling ma_proper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]  --> build.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     extern "C" {
[INFO] [stdout] 7 | |         // const char *gnu_get_libc_version(void);
[INFO] [stdout] 8 | |         fn gnu_get_libc_version() -> *const c_char;
[INFO] [stdout] 9 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ma_proper` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115", kill_on_drop: false }`
[INFO] [stdout] fe57fb4c983b695a2241f5c4f98a03e9b251f04fe2e94e6b26bf6d1a13269115
