[INFO] fetching crate nest-guard 0.1.0...
[INFO] testing nest-guard-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate nest-guard 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate nest-guard 0.1.0
[INFO] finished tweaking crates.io crate nest-guard 0.1.0
[INFO] tweaked toml for crates.io crate nest-guard 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nest-guard 0.1.0 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 nest-guard 0.1.0 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 169477adf879d8b259ea9f74b4f20f940bd80b060647ce2f210808f12160cc8d
[INFO] running `Command { std: "docker" "start" "-a" "169477adf879d8b259ea9f74b4f20f940bd80b060647ce2f210808f12160cc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "169477adf879d8b259ea9f74b4f20f940bd80b060647ce2f210808f12160cc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169477adf879d8b259ea9f74b4f20f940bd80b060647ce2f210808f12160cc8d", kill_on_drop: false }`
[INFO] [stdout] 169477adf879d8b259ea9f74b4f20f940bd80b060647ce2f210808f12160cc8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] baabb29d3512f8efe7242da6012f3c3b80472a4163afe3832fb75d909c71b661
[INFO] running `Command { std: "docker" "start" "-a" "baabb29d3512f8efe7242da6012f3c3b80472a4163afe3832fb75d909c71b661", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "baabb29d3512f8efe7242da6012f3c3b80472a4163afe3832fb75d909c71b661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baabb29d3512f8efe7242da6012f3c3b80472a4163afe3832fb75d909c71b661", kill_on_drop: false }`
[INFO] [stdout] baabb29d3512f8efe7242da6012f3c3b80472a4163afe3832fb75d909c71b661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1faddb6c09a59d34c0700285bee3f839dabb5c47e2466a2421fbdaa033fc725d
[INFO] running `Command { std: "docker" "start" "-a" "1faddb6c09a59d34c0700285bee3f839dabb5c47e2466a2421fbdaa033fc725d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1faddb6c09a59d34c0700285bee3f839dabb5c47e2466a2421fbdaa033fc725d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1faddb6c09a59d34c0700285bee3f839dabb5c47e2466a2421fbdaa033fc725d", kill_on_drop: false }`
[INFO] [stdout] 1faddb6c09a59d34c0700285bee3f839dabb5c47e2466a2421fbdaa033fc725d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1cef48145ee70c72721a85647794f47f0f72acc4569c72ffb49129c1928dca36
[INFO] running `Command { std: "docker" "start" "-a" "1cef48145ee70c72721a85647794f47f0f72acc4569c72ffb49129c1928dca36", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/nest_guard-7a807da36778881b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test sync::test::test_many_rwlock ... ok
[INFO] [stdout] test sync::test::test_many_mutex ... ok
[INFO] [stdout] test rc::test::test_many_rc ... ok
[INFO] [stdout] test cell::test::test_many_refcell ... ok
[INFO] [stdout] test test::test_rc_refcell ... ok
[INFO] [stdout] test test::test_reassign_refcell_stack ... ok
[INFO] [stdout] test sync::test::test_many_arc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cef48145ee70c72721a85647794f47f0f72acc4569c72ffb49129c1928dca36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cef48145ee70c72721a85647794f47f0f72acc4569c72ffb49129c1928dca36", kill_on_drop: false }`
[INFO] [stdout] 1cef48145ee70c72721a85647794f47f0f72acc4569c72ffb49129c1928dca36