[INFO] cloning repository https://github.com/trolando/lace-ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trolando/lace-ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrolando%2Flace-ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrolando%2Flace-ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9796dc7d4a94be057a8a2430d434bfe74ff14a75
[INFO] fixing trolando/lace-ws against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrolando%2Flace-ws" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trolando/lace-ws
[INFO] finished tweaking git repo https://github.com/trolando/lace-ws
[INFO] tweaked toml for git repo https://github.com/trolando/lace-ws written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trolando/lace-ws 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 78 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding sha1 v0.10.6 (available: v0.11.0)
[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] 3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba
[INFO] running `Command { std: "docker" "start" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba", 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" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba", 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" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba" "/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 lace-native/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating lace-native-build/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/fib/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/nqueens/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/uts/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/tree/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/bench/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/rayon-compare/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating benches/criterion/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/integration/Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking find-msvc-tools v0.1.9
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling cc v1.2.65
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking lace-native-build v0.2.0 (/opt/rustwide/workdir/lace-native-build)
[INFO] [stderr]    Migrating lace-native-build/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling lace-native v0.2.0 (/opt/rustwide/workdir/lace-native)
[INFO] [stderr]    Migrating lace-native/build.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling lace-example-uts v0.1.0 (/opt/rustwide/workdir/examples/uts)
[INFO] [stderr]    Compiling lace-example-nqueens v0.1.0 (/opt/rustwide/workdir/examples/nqueens)
[INFO] [stderr]    Compiling lace-example-fib v0.1.0 (/opt/rustwide/workdir/examples/fib)
[INFO] [stderr]    Compiling lace-tests v0.1.0 (/opt/rustwide/workdir/tests/integration)
[INFO] [stderr]    Compiling lace-example-tree v0.1.0 (/opt/rustwide/workdir/examples/tree)
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]    Migrating tests/integration/build.rs from 2021 edition to 2024
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]    Migrating examples/nqueens/build.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/tree/build.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/uts/build.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/fib/build.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating lace-native/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed lace-native/src/lib.rs (4 fixes)
[INFO] [stderr]    Migrating examples/uts/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed /opt/rustwide/target/debug/build/lace-example-uts-93d5d9743b883985/out/lace_tasks.rs (2 fixes)
[INFO] [stderr]    Migrating examples/nqueens/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling zerocopy-derive v0.8.52
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Migrating examples/tree/src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed /opt/rustwide/target/debug/build/lace-example-nqueens-0ed1f56f0f9778d2/out/lace_tasks.rs (2 fixes)
[INFO] [stderr]        Fixed /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs (4 fixes)
[INFO] [stderr]    Migrating examples/fib/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs (4 fixes)
[INFO] [stderr]     Checking lace-bench-criterion v0.1.0 (/opt/rustwide/workdir/benches/criterion)
[INFO] [stderr]     Checking rayon-compare v0.1.0 (/opt/rustwide/workdir/examples/rayon-compare)
[INFO] [stderr]     Checking lace-example-bench v0.1.0 (/opt/rustwide/workdir/examples/bench)
[INFO] [stderr]    Migrating examples/uts/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/integration/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed /opt/rustwide/target/debug/build/lace-tests-3719c2562dbb1292/out/lace_tasks.rs (6 fixes)
[INFO] [stderr]    Migrating examples/nqueens/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/bench/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating benches/criterion/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/fib/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/rayon-compare/src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]    Migrating benches/criterion/benches/lace_benchmarks.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.31s
[INFO] [stderr] crater-edition-check: lace-native v0.2.0 (/opt/rustwide/workdir/lace-native) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-native-build v0.2.0 (/opt/rustwide/workdir/lace-native-build) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-example-fib v0.1.0 (/opt/rustwide/workdir/examples/fib) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-example-nqueens v0.1.0 (/opt/rustwide/workdir/examples/nqueens) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-example-uts v0.1.0 (/opt/rustwide/workdir/examples/uts) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-example-tree v0.1.0 (/opt/rustwide/workdir/examples/tree) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-example-bench v0.1.0 (/opt/rustwide/workdir/examples/bench) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: rayon-compare v0.1.0 (/opt/rustwide/workdir/examples/rayon-compare) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-bench-criterion v0.1.0 (/opt/rustwide/workdir/benches/criterion) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lace-tests v0.1.0 (/opt/rustwide/workdir/tests/integration) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling lace-native-build v0.2.0 (/opt/rustwide/workdir/lace-native-build)
[INFO] [stderr]    Compiling lace-native v0.2.0 (/opt/rustwide/workdir/lace-native)
[INFO] [stderr]    Compiling lace-example-uts v0.1.0 (/opt/rustwide/workdir/examples/uts)
[INFO] [stderr]    Compiling lace-example-fib v0.1.0 (/opt/rustwide/workdir/examples/fib)
[INFO] [stderr]    Compiling lace-example-nqueens v0.1.0 (/opt/rustwide/workdir/examples/nqueens)
[INFO] [stderr]    Compiling lace-example-tree v0.1.0 (/opt/rustwide/workdir/examples/tree)
[INFO] [stderr]    Compiling lace-tests v0.1.0 (/opt/rustwide/workdir/tests/integration)
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / extern "C" {
[INFO] [stdout] 13 | |     fn fib_SPAWN_w(w: *mut LaceWorker, n: i32) -> *mut LaceTask;
[INFO] [stdout] 14 | |     fn fib_SYNC_w(w: *mut LaceWorker) -> i32;
[INFO] [stdout] 15 | |     fn fib_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     fn fib_TOGETHER_w(n: i32);
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / extern "C" {
[INFO] [stdout] 80 | |     fn fib_c_style_SPAWN_w(w: *mut LaceWorker, n: i32) -> *mut LaceTask;
[INFO] [stdout] 81 | |     fn fib_c_style_SYNC_w(w: *mut LaceWorker) -> i32;
[INFO] [stdout] 82 | |     fn fib_c_style_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 85 | |     fn fib_c_style_TOGETHER_w(n: i32);
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / extern "C" {
[INFO] [stdout] 13 | |     fn fib_SPAWN_w(w: *mut LaceWorker, n: i32) -> *mut LaceTask;
[INFO] [stdout] 14 | |     fn fib_SYNC_w(w: *mut LaceWorker) -> i32;
[INFO] [stdout] 15 | |     fn fib_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     fn fib_TOGETHER_w(n: i32);
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lace-example-fib` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / extern "C" {
[INFO] [stdout] 80 | |     fn fib_c_style_SPAWN_w(w: *mut LaceWorker, n: i32) -> *mut LaceTask;
[INFO] [stdout] 81 | |     fn fib_c_style_SYNC_w(w: *mut LaceWorker) -> i32;
[INFO] [stdout] 82 | |     fn fib_c_style_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 85 | |     fn fib_c_style_TOGETHER_w(n: i32);
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-fib-f2ae9a91f3f8bbe0/out/lace_tasks.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lace-example-fib` (lib test) due to 4 previous errors
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | / extern "C" {
[INFO] [stdout] 60 | |     fn Tree_count_SPAWN_w(w: *mut LaceWorker, self_: *mut c_void) -> *mut LaceTask;
[INFO] [stdout] 61 | |     fn Tree_count_SYNC_w(w: *mut LaceWorker) -> i64;
[INFO] [stdout] 62 | |     fn Tree_count_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     fn Tree_count_TOGETHER_w(self_: *mut c_void);
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / extern "C" {
[INFO] [stdout] 104 | |     fn Tree_sum_SPAWN_w(w: *mut LaceWorker, self_: *mut c_void) -> *mut LaceTask;
[INFO] [stdout] 105 | |     fn Tree_sum_SYNC_w(w: *mut LaceWorker) -> i64;
[INFO] [stdout] 106 | |     fn Tree_sum_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |     fn Tree_sum_TOGETHER_w(self_: *mut c_void);
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | / extern "C" {
[INFO] [stdout] 60 | |     fn Tree_count_SPAWN_w(w: *mut LaceWorker, self_: *mut c_void) -> *mut LaceTask;
[INFO] [stdout] 61 | |     fn Tree_count_SYNC_w(w: *mut LaceWorker) -> i64;
[INFO] [stdout] 62 | |     fn Tree_count_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     fn Tree_count_TOGETHER_w(self_: *mut c_void);
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[unsafe(no_mangle)]
[INFO] [stdout]     |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / extern "C" {
[INFO] [stdout] 104 | |     fn Tree_sum_SPAWN_w(w: *mut LaceWorker, self_: *mut c_void) -> *mut LaceTask;
[INFO] [stdout] 105 | |     fn Tree_sum_SYNC_w(w: *mut LaceWorker) -> i64;
[INFO] [stdout] 106 | |     fn Tree_sum_DROP_w(w: *mut LaceWorker);
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |     fn Tree_sum_TOGETHER_w(self_: *mut c_void);
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:69:3
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]    |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[unsafe(no_mangle)]
[INFO] [stdout]    |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/lace-example-tree-df120d259b595e3c/out/lace_tasks.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[unsafe(no_mangle)]
[INFO] [stdout]     |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lace-example-tree` (bin "lace-example-tree" test) due to 4 previous errors
[INFO] [stderr] error: could not compile `lace-example-tree` (bin "lace-example-tree") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba", kill_on_drop: false }`
[INFO] [stdout] 3f747df1f54be5032f9cd2b84e589f2037ac88768600fd2c12adfbf899a5c4ba
