[INFO] fetching crate instability 0.3.7...
[INFO] testing instability-0.3.7 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate instability 0.3.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate instability 0.3.7
[INFO] finished tweaking crates.io crate instability 0.3.7
[INFO] tweaked toml for crates.io crate instability 0.3.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate instability 0.3.7 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 instability 0.3.7 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6e536f3c54f8132a2f959ba35c6ee77fca36f668e75b7d4ccc8aecae768e78de
[INFO] running `Command { std: "docker" "start" "-a" "6e536f3c54f8132a2f959ba35c6ee77fca36f668e75b7d4ccc8aecae768e78de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e536f3c54f8132a2f959ba35c6ee77fca36f668e75b7d4ccc8aecae768e78de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e536f3c54f8132a2f959ba35c6ee77fca36f668e75b7d4ccc8aecae768e78de", kill_on_drop: false }`
[INFO] [stdout] 6e536f3c54f8132a2f959ba35c6ee77fca36f668e75b7d4ccc8aecae768e78de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fd7108f4b4b4d83722db4bdd64db44e2ea0a9c39f3c72d18b9b3a2ba1bd6d1d6
[INFO] running `Command { std: "docker" "start" "-a" "fd7108f4b4b4d83722db4bdd64db44e2ea0a9c39f3c72d18b9b3a2ba1bd6d1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling instability v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.35s
[INFO] running `Command { std: "docker" "inspect" "fd7108f4b4b4d83722db4bdd64db44e2ea0a9c39f3c72d18b9b3a2ba1bd6d1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7108f4b4b4d83722db4bdd64db44e2ea0a9c39f3c72d18b9b3a2ba1bd6d1d6", kill_on_drop: false }`
[INFO] [stdout] fd7108f4b4b4d83722db4bdd64db44e2ea0a9c39f3c72d18b9b3a2ba1bd6d1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fc80bf870348951aba2d0483726c14837fcfb4ff3fdfe9bda0e5363f83da7528
[INFO] running `Command { std: "docker" "start" "-a" "fc80bf870348951aba2d0483726c14837fcfb4ff3fdfe9bda0e5363f83da7528", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling instability v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "fc80bf870348951aba2d0483726c14837fcfb4ff3fdfe9bda0e5363f83da7528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc80bf870348951aba2d0483726c14837fcfb4ff3fdfe9bda0e5363f83da7528", kill_on_drop: false }`
[INFO] [stdout] fc80bf870348951aba2d0483726c14837fcfb4ff3fdfe9bda0e5363f83da7528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b51b9b0d95fc580fcea22824494827b2ed0bda2e13499b77b043b7d401c7f64a
[INFO] running `Command { std: "docker" "start" "-a" "b51b9b0d95fc580fcea22824494827b2ed0bda2e13499b77b043b7d401c7f64a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instability-8209c5c8e5b63bca)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test stable::tests::expand_non_public_item ... ok
[INFO] [stdout] test stable::tests::expand_impl_block ... ok
[INFO] [stdout] test stable::tests::expand_public_const ... ok
[INFO] [stdout] test stable::tests::expand_public_mod ... ok
[INFO] [stdout] test stable::tests::expand_public_fn ... ok
[INFO] [stdout] test stable::tests::expand_public_enum ... ok
[INFO] [stdout] test stable::tests::expand_public_static ... ok
[INFO] [stdout] test stable::tests::expand_public_use ... ok
[INFO] [stdout] test stable::tests::expand_with_issue ... ok
[INFO] [stdout] test stable::tests::expand_public_type ... ok
[INFO] [stdout] test stable::tests::expand_with_since_and_issue ... ok
[INFO] [stdout] test stable::tests::expand_with_since ... ok
[INFO] [stdout] test unstable::tests::expand_impl_block ... ok
[INFO] [stdout] test unstable::tests::expand_non_public_item ... ok
[INFO] [stdout] test stable::tests::expand_public_struct ... ok
[INFO] [stdout] test stable::tests::expand_public_trait ... ok
[INFO] [stdout] test unstable::tests::expand_public_enum ... ok
[INFO] [stdout] test unstable::tests::expand_public_fn ... ok
[INFO] [stdout] test unstable::tests::expand_public_mod ... ok
[INFO] [stdout] test unstable::tests::expand_public_trait ... ok
[INFO] [stdout] test unstable::tests::expand_public_struct ... ok
[INFO] [stdout] test unstable::tests::expand_public_type ... ok
[INFO] [stdout] test unstable::tests::expand_public_use ... ok
[INFO] [stdout] test unstable::tests::expand_with_feature ... ok
[INFO] [stdout] test unstable::tests::expand_public_static ... ok
[INFO] [stdout] test unstable::tests::expand_with_issue ... ok
[INFO] [stdout] test unstable::tests::expand_public_const ... ok
[INFO] [stdout] test unstable::tests::unstable_feature_flag_default ... ok
[INFO] [stdout] test unstable::tests::unstable_feature_flag_with_feature ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests instability
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - unstable (line 85) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 111) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 73) ... ok
[INFO] [stdout] test src/lib.rs - stable (line 152) ... ok
[INFO] [stdout] test src/lib.rs - stable (line 164) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b51b9b0d95fc580fcea22824494827b2ed0bda2e13499b77b043b7d401c7f64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51b9b0d95fc580fcea22824494827b2ed0bda2e13499b77b043b7d401c7f64a", kill_on_drop: false }`
[INFO] [stdout] b51b9b0d95fc580fcea22824494827b2ed0bda2e13499b77b043b7d401c7f64a