[INFO] fetching crate instability 0.3.12...
[INFO] testing instability-0.3.12 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate instability 0.3.12 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate instability 0.3.12
[INFO] finished tweaking crates.io crate instability 0.3.12
[INFO] tweaked toml for crates.io crate instability 0.3.12 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate instability 0.3.12 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate instability 0.3.12 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e375f9748bb6f06b54216b0614d2ebe1cde42ede89e9d046d083787d2106e502
[INFO] running `Command { std: "docker" "start" "-a" "e375f9748bb6f06b54216b0614d2ebe1cde42ede89e9d046d083787d2106e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e375f9748bb6f06b54216b0614d2ebe1cde42ede89e9d046d083787d2106e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e375f9748bb6f06b54216b0614d2ebe1cde42ede89e9d046d083787d2106e502", kill_on_drop: false }`
[INFO] [stdout] e375f9748bb6f06b54216b0614d2ebe1cde42ede89e9d046d083787d2106e502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e1534eb3179f06d7aec3d21252e966897b3b3472ff536cacc23da3b417ced1
[INFO] running `Command { std: "docker" "start" "-a" "47e1534eb3179f06d7aec3d21252e966897b3b3472ff536cacc23da3b417ced1", kill_on_drop: false }`
[INFO] [stderr]    Compiling instability v0.3.12 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "47e1534eb3179f06d7aec3d21252e966897b3b3472ff536cacc23da3b417ced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e1534eb3179f06d7aec3d21252e966897b3b3472ff536cacc23da3b417ced1", kill_on_drop: false }`
[INFO] [stdout] 47e1534eb3179f06d7aec3d21252e966897b3b3472ff536cacc23da3b417ced1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945bb6a7c28063076b113427fe03cb4c7f52642ba8774d2293ad4b899d6a631f
[INFO] running `Command { std: "docker" "start" "-a" "945bb6a7c28063076b113427fe03cb4c7f52642ba8774d2293ad4b899d6a631f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling instability v0.3.12 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "945bb6a7c28063076b113427fe03cb4c7f52642ba8774d2293ad4b899d6a631f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945bb6a7c28063076b113427fe03cb4c7f52642ba8774d2293ad4b899d6a631f", kill_on_drop: false }`
[INFO] [stdout] 945bb6a7c28063076b113427fe03cb4c7f52642ba8774d2293ad4b899d6a631f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23de5fd79bda259ea15bad74e27d61f5afef024f715e9be55ceffeec2f91a868
[INFO] running `Command { std: "docker" "start" "-a" "23de5fd79bda259ea15bad74e27d61f5afef024f715e9be55ceffeec2f91a868", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/instability-e30a75310a449f84)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test stable::tests::expand_impl_block ... ok
[INFO] [stdout] test stable::tests::expand_non_public_item ... ok
[INFO] [stdout] test stable::tests::expand_public_const ... ok
[INFO] [stdout] test stable::tests::expand_public_enum ... ok
[INFO] [stdout] test stable::tests::expand_public_fn ... ok
[INFO] [stdout] test stable::tests::expand_public_static ... ok
[INFO] [stdout] test stable::tests::expand_public_struct ... ok
[INFO] [stdout] test stable::tests::expand_public_mod ... ok
[INFO] [stdout] test stable::tests::expand_public_trait ... ok
[INFO] [stdout] test stable::tests::expand_public_type ... ok
[INFO] [stdout] test stable::tests::expand_with_issue ... ok
[INFO] [stdout] test stable::tests::expand_with_since ... ok
[INFO] [stdout] test stable::tests::public_use_is_noop ... ok
[INFO] [stdout] test unstable::tests::expand_impl_block ... ok
[INFO] [stdout] test unstable::tests::expand_non_public_item ... ok
[INFO] [stdout] test unstable::tests::expand_public_const ... 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_static ... ok
[INFO] [stdout] test unstable::tests::expand_public_struct ... ok
[INFO] [stdout] test stable::tests::expand_with_since_and_issue ... 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_with_issue ... ok
[INFO] [stdout] test unstable::tests::unstable_feature_flag_default ... ok
[INFO] [stdout] test unstable::tests::unstable_feature_flag_with_feature ... ok
[INFO] [stdout] test unstable::tests::expand_public_type ... ok
[INFO] [stdout] test unstable::tests::expand_public_mod ... ok
[INFO] [stdout] test unstable::tests::expand_public_trait ... 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 - stable (line 165) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 98) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 124) ... ok
[INFO] [stdout] test src/lib.rs - stable (line 177) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23de5fd79bda259ea15bad74e27d61f5afef024f715e9be55ceffeec2f91a868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23de5fd79bda259ea15bad74e27d61f5afef024f715e9be55ceffeec2f91a868", kill_on_drop: false }`
[INFO] [stdout] 23de5fd79bda259ea15bad74e27d61f5afef024f715e9be55ceffeec2f91a868