[INFO] fetching crate named-semaphore 0.1.0...
[INFO] testing named-semaphore-0.1.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate named-semaphore 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate named-semaphore 0.1.0 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] started tweaking crates.io crate named-semaphore 0.1.0
[INFO] finished tweaking crates.io crate named-semaphore 0.1.0
[INFO] tweaked toml for crates.io crate named-semaphore 0.1.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded function_name v0.2.3
[INFO] [stderr]   Downloaded function_name-proc-macro v0.2.3
[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] c04614346d71b2e2bbad5966538ba13608b85b898f3e60afc6d405e3b5dba2e6
[INFO] running `Command { std: "docker" "start" "-a" "c04614346d71b2e2bbad5966538ba13608b85b898f3e60afc6d405e3b5dba2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04614346d71b2e2bbad5966538ba13608b85b898f3e60afc6d405e3b5dba2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04614346d71b2e2bbad5966538ba13608b85b898f3e60afc6d405e3b5dba2e6", kill_on_drop: false }`
[INFO] [stdout] c04614346d71b2e2bbad5966538ba13608b85b898f3e60afc6d405e3b5dba2e6
[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] 95e863bbbe5707bd55917c6facba5f2332dec433d863b27e0cce83249545cc70
[INFO] running `Command { std: "docker" "start" "-a" "95e863bbbe5707bd55917c6facba5f2332dec433d863b27e0cce83249545cc70", kill_on_drop: false }`
[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 syn v1.0.105
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling named-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "95e863bbbe5707bd55917c6facba5f2332dec433d863b27e0cce83249545cc70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e863bbbe5707bd55917c6facba5f2332dec433d863b27e0cce83249545cc70", kill_on_drop: false }`
[INFO] [stdout] 95e863bbbe5707bd55917c6facba5f2332dec433d863b27e0cce83249545cc70
[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] 9e163e8c7e0ef94d72ecc51a26535c4dfc207f528bd0e17b7b036216f239f936
[INFO] running `Command { std: "docker" "start" "-a" "9e163e8c7e0ef94d72ecc51a26535c4dfc207f528bd0e17b7b036216f239f936", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling function_name-proc-macro v0.2.3
[INFO] [stderr]    Compiling function_name v0.2.3
[INFO] [stderr]    Compiling named-semaphore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `function_name`
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[named]
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "9e163e8c7e0ef94d72ecc51a26535c4dfc207f528bd0e17b7b036216f239f936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e163e8c7e0ef94d72ecc51a26535c4dfc207f528bd0e17b7b036216f239f936", kill_on_drop: false }`
[INFO] [stdout] 9e163e8c7e0ef94d72ecc51a26535c4dfc207f528bd0e17b7b036216f239f936
[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] 7afdd6033ebda5f359f48bdd26d2b4e117a770e919c77ff71b71f7e9a1102eb4
[INFO] running `Command { std: "docker" "start" "-a" "7afdd6033ebda5f359f48bdd26d2b4e117a770e919c77ff71b71f7e9a1102eb4", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `function_name`
[INFO] [stderr]    --> src/lib.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     #[named]
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `named-semaphore` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/named_semaphore-6f5dead8dda427e1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/named_semaphore-6f5dead8dda427e1` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "7afdd6033ebda5f359f48bdd26d2b4e117a770e919c77ff71b71f7e9a1102eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afdd6033ebda5f359f48bdd26d2b4e117a770e919c77ff71b71f7e9a1102eb4", kill_on_drop: false }`
[INFO] [stdout] 7afdd6033ebda5f359f48bdd26d2b4e117a770e919c77ff71b71f7e9a1102eb4