[INFO] fetching crate ruspiro-lock 0.5.0...
[INFO] testing ruspiro-lock-0.5.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate ruspiro-lock 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ruspiro-lock 0.5.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-lock 0.5.0
[INFO] finished tweaking crates.io crate ruspiro-lock 0.5.0
[INFO] tweaked toml for crates.io crate ruspiro-lock 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a6e37d603bc6511bb7cf532ed2372df4b0ef08445706ff70de1b6b2ee628895
[INFO] running `Command { std: "docker" "start" "-a" "7a6e37d603bc6511bb7cf532ed2372df4b0ef08445706ff70de1b6b2ee628895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6e37d603bc6511bb7cf532ed2372df4b0ef08445706ff70de1b6b2ee628895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6e37d603bc6511bb7cf532ed2372df4b0ef08445706ff70de1b6b2ee628895", kill_on_drop: false }`
[INFO] [stdout] 7a6e37d603bc6511bb7cf532ed2372df4b0ef08445706ff70de1b6b2ee628895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 08e22280a729fb31820cb41cd544467ba4c278ef751d46a5b2c5ff1c45d19002
[INFO] running `Command { std: "docker" "start" "-a" "08e22280a729fb31820cb41cd544467ba4c278ef751d46a5b2c5ff1c45d19002", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-lock v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "08e22280a729fb31820cb41cd544467ba4c278ef751d46a5b2c5ff1c45d19002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e22280a729fb31820cb41cd544467ba4c278ef751d46a5b2c5ff1c45d19002", kill_on_drop: false }`
[INFO] [stdout] 08e22280a729fb31820cb41cd544467ba4c278ef751d46a5b2c5ff1c45d19002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f16d759da2d5a57bd78410a81924316baf8d6a9f94bdd0d5c18fb14921c713dc
[INFO] running `Command { std: "docker" "start" "-a" "f16d759da2d5a57bd78410a81924316baf8d6a9f94bdd0d5c18fb14921c713dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling polling v2.5.1
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling ruspiro-lock v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/spinlock.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/semaphore.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/mutex.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/sync/rwlock.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::arch::asm;
[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 11.00s
[INFO] running `Command { std: "docker" "inspect" "f16d759da2d5a57bd78410a81924316baf8d6a9f94bdd0d5c18fb14921c713dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16d759da2d5a57bd78410a81924316baf8d6a9f94bdd0d5c18fb14921c713dc", kill_on_drop: false }`
[INFO] [stdout] f16d759da2d5a57bd78410a81924316baf8d6a9f94bdd0d5c18fb14921c713dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8e104b3c5ef7c8d9b029d2bc5cbae7d0f01d1b4373f8c995e31816ce7fd0c693
[INFO] running `Command { std: "docker" "start" "-a" "8e104b3c5ef7c8d9b029d2bc5cbae7d0f01d1b4373f8c995e31816ce7fd0c693", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::arch::asm`
[INFO] [stderr]   --> src/sync/spinlock.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use core::arch::asm;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::arch::asm`
[INFO] [stderr]   --> src/sync/semaphore.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use core::arch::asm;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::arch::asm`
[INFO] [stderr]   --> src/sync/mutex.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use core::arch::asm;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::arch::asm`
[INFO] [stderr]   --> src/sync/rwlock.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use core::arch::asm;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruspiro-lock` (lib) generated 4 warnings
[INFO] [stderr] warning: `ruspiro-lock` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/ruspiro_lock-2512a8ddb1e3a8f7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e104b3c5ef7c8d9b029d2bc5cbae7d0f01d1b4373f8c995e31816ce7fd0c693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e104b3c5ef7c8d9b029d2bc5cbae7d0f01d1b4373f8c995e31816ce7fd0c693", kill_on_drop: false }`
[INFO] [stdout] 8e104b3c5ef7c8d9b029d2bc5cbae7d0f01d1b4373f8c995e31816ce7fd0c693