[INFO] fetching crate scope-lock 0.3.1...
[INFO] testing scope-lock-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate scope-lock 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate scope-lock 0.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate scope-lock 0.3.1
[INFO] tweaked toml for crates.io crate scope-lock 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scope-lock 0.3.1 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 scope-lock 0.3.1 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de87680653ddafbfa84250656f16ce13cf12361796f1f874033104d2d0c4a825
[INFO] running `Command { std: "docker" "start" "-a" "de87680653ddafbfa84250656f16ce13cf12361796f1f874033104d2d0c4a825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de87680653ddafbfa84250656f16ce13cf12361796f1f874033104d2d0c4a825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de87680653ddafbfa84250656f16ce13cf12361796f1f874033104d2d0c4a825", kill_on_drop: false }`
[INFO] [stdout] de87680653ddafbfa84250656f16ce13cf12361796f1f874033104d2d0c4a825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6082dba7f15b0373910c7c3bc99a42d25ad6533353e74087356e3b226548e59
[INFO] running `Command { std: "docker" "start" "-a" "a6082dba7f15b0373910c7c3bc99a42d25ad6533353e74087356e3b226548e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-lock v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/extended/sync.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard {
[INFO] [stdout]    |                  ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a6082dba7f15b0373910c7c3bc99a42d25ad6533353e74087356e3b226548e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6082dba7f15b0373910c7c3bc99a42d25ad6533353e74087356e3b226548e59", kill_on_drop: false }`
[INFO] [stdout] a6082dba7f15b0373910c7c3bc99a42d25ad6533353e74087356e3b226548e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 78ff4098f6724b8f60ae2d81bca9f723304cfdfd31b6de905bb247484235a950
[INFO] running `Command { std: "docker" "start" "-a" "78ff4098f6724b8f60ae2d81bca9f723304cfdfd31b6de905bb247484235a950", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-lock v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/extended/sync.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard {
[INFO] [stdout]    |                  ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/extended/sync.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard {
[INFO] [stdout]    |                  ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn guard(&self) -> ReferenceCounterGuard<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "78ff4098f6724b8f60ae2d81bca9f723304cfdfd31b6de905bb247484235a950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ff4098f6724b8f60ae2d81bca9f723304cfdfd31b6de905bb247484235a950", kill_on_drop: false }`
[INFO] [stdout] 78ff4098f6724b8f60ae2d81bca9f723304cfdfd31b6de905bb247484235a950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e27080aa3976b0054d67c17ec09ef75163ff20c713ee99624794600a921a15f0
[INFO] running `Command { std: "docker" "start" "-a" "e27080aa3976b0054d67c17ec09ef75163ff20c713ee99624794600a921a15f0", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/extended/sync.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn guard(&self) -> ReferenceCounterGuard {
[INFO] [stderr]    |                  ^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn guard(&self) -> ReferenceCounterGuard<'_> {
[INFO] [stderr]    |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `scope-lock` (lib) generated 1 warning (run `cargo fix --lib -p scope-lock` to apply 1 suggestion)
[INFO] [stderr] warning: `scope-lock` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/scope_lock-4d742904418242f7)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/composed.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/composed-dc2340516ec4c94d)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test closure_async_boxed ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stacked_borrows_data_race.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/stacked_borrows_data_race-42b17c0285e39a7c)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ref_once_data_race ... ok
[INFO] [stdout] test reference_data_race ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e27080aa3976b0054d67c17ec09ef75163ff20c713ee99624794600a921a15f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27080aa3976b0054d67c17ec09ef75163ff20c713ee99624794600a921a15f0", kill_on_drop: false }`
[INFO] [stdout] e27080aa3976b0054d67c17ec09ef75163ff20c713ee99624794600a921a15f0