[INFO] fetching crate medea-reactive 0.1.1...
[INFO] testing medea-reactive-0.1.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate medea-reactive 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate medea-reactive 0.1.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medea-reactive 0.1.1
[INFO] finished tweaking crates.io crate medea-reactive 0.1.1
[INFO] tweaked toml for crates.io crate medea-reactive 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb90705177935954ea4e7c2944cfe5f3b5d7b9118a2d6a45875bcde9caaf78a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb90705177935954ea4e7c2944cfe5f3b5d7b9118a2d6a45875bcde9caaf78a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb90705177935954ea4e7c2944cfe5f3b5d7b9118a2d6a45875bcde9caaf78a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb90705177935954ea4e7c2944cfe5f3b5d7b9118a2d6a45875bcde9caaf78a4", kill_on_drop: false }`
[INFO] [stdout] fb90705177935954ea4e7c2944cfe5f3b5d7b9118a2d6a45875bcde9caaf78a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c481ea15e7c47c9d3f24bd0638a75a1992d53fb2dff4379387d601f40773685e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c481ea15e7c47c9d3f24bd0638a75a1992d53fb2dff4379387d601f40773685e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling medea-reactive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "c481ea15e7c47c9d3f24bd0638a75a1992d53fb2dff4379387d601f40773685e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c481ea15e7c47c9d3f24bd0638a75a1992d53fb2dff4379387d601f40773685e", kill_on_drop: false }`
[INFO] [stdout] c481ea15e7c47c9d3f24bd0638a75a1992d53fb2dff4379387d601f40773685e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e19390c640b3982cd4d7bca7db4f0fdb15628ed4e411d933647c81dd655daf6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e19390c640b3982cd4d7bca7db4f0fdb15628ed4e411d933647c81dd655daf6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling medea-reactive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.62s
[INFO] running `Command { std: "docker" "inspect" "e19390c640b3982cd4d7bca7db4f0fdb15628ed4e411d933647c81dd655daf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19390c640b3982cd4d7bca7db4f0fdb15628ed4e411d933647c81dd655daf6d", kill_on_drop: false }`
[INFO] [stdout] e19390c640b3982cd4d7bca7db4f0fdb15628ed4e411d933647c81dd655daf6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55394ec23abee11a3005f976af54b30378155474182744aaaada4ca0c226a53f
[INFO] running `Command { std: "docker" "start" "-a" "55394ec23abee11a3005f976af54b30378155474182744aaaada4ca0c226a53f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/medea_reactive-918d85bde55b8dd8)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test collections::hash_map::tests::replay_on_insert ... ok
[INFO] [stdout] test collections::hash_map::tests::multiple_when_remove_processed_subs ... ok
[INFO] [stdout] test collections::hash_map::tests::when_insert_processed ... ok
[INFO] [stdout] test collections::hash_map::tests::when_remove_processed ... ok
[INFO] [stdout] test collections::vec::tests::multiple_when_push_processed_subs ... ok
[INFO] [stdout] test collections::vec::tests::when_push_processed ... ok
[INFO] [stdout] test collections::hash_map::tests::replace_triggers_on_remove ... ok
[INFO] [stdout] test collections::vec::tests::multiple_when_remove_processed_subs ... ok
[INFO] [stdout] test collections::hash_map::tests::multiple_when_insert_processed_subs ... ok
[INFO] [stdout] test collections::vec::tests::replay_on_push ... ok
[INFO] [stdout] test collections::hash_map::tests::on_remove_on_drop ... ok
[INFO] [stdout] test collections::vec::tests::when_remove_processed ... ok
[INFO] [stdout] test field::cell::observable_cell::data_mutates ... ok
[INFO] [stdout] test field::cell::observable_cell::emits_changes_on_mutate ... ok
[INFO] [stdout] test field::cell::observable_cell::when_with_mutate ... ok
[INFO] [stdout] test field::tests::current_value_is_provided_into_assert_fn_on_when_call ... ok
[INFO] [stdout] test field::cell::observable_cell::updates_emitted_on_replace ... ok
[INFO] [stdout] test field::cell::observable_cell::when_eq ... ok
[INFO] [stdout] test field::tests::stream_ends_when_reactive_field_is_dropped ... ok
[INFO] [stdout] test field::tests::when_all_processed_works ... ok
[INFO] [stdout] test field::cell::observable_cell::subscription ... ok
[INFO] [stdout] test field::tests::subscriber_receives_current_data ... ok
[INFO] [stdout] test field::tests::when_returns_dropped_error_on_drop ... ok
[INFO] [stdout] test field::cell::observable_cell::when_on_replace ... ok
[INFO] [stdout] test field::tests::value_updates_are_sent_to_subs ... ok
[INFO] [stdout] test field::cell::observable_cell::when_eq_never_resolves ... ok
[INFO] [stdout] test field::cell::observable_cell::get ... ok
[INFO] [stdout] test field::tests::only_last_update_should_be_sent_to_subscribers ... ok
[INFO] [stdout] test field::tests::when_eq_resolves_if_value_eq_already ... ok
[INFO] [stdout] test field::tests::when_resolves_on_value_update ... ok
[INFO] [stdout] test field::tests::when_eq_resolves_on_value_update ... ok
[INFO] [stdout] test field::tests::when_eq_returns_dropped_error_on_drop ... ok
[INFO] [stdout] test field::tests::reactive_with_refcell_inside ... ok
[INFO] [stdout] test field::cell::observable_cell::when_eq_on_replace ... ok
[INFO] [stdout] test field::cell::observable_cell::when ... ok
[INFO] [stdout] test field::cell::observable_cell::only_initial_update_emitted ... ok
[INFO] [stdout] test field::tests::no_update_should_be_emitted_on_field_mutation ... ok
[INFO] [stdout] test field::tests::when_eq_doesnt_resolve_if_value_is_not_eq ... ok
[INFO] [stderr]    Doc-tests medea-reactive
[INFO] [stdout] test subscribers_store::progressable::processed::tests::when_all_processed_rechecks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/field/cell.rs - field::cell::ObservableCell (line 28) ... ok
[INFO] [stdout] test src/collections/hash_map.rs - collections::hash_map::HashMap (line 42) ... ok
[INFO] [stdout] test src/field/cell.rs - field::cell::ObservableCell (line 60) ... ok
[INFO] [stdout] test src/field/cell.rs - field::cell::ObservableCell (line 39) ... ok
[INFO] [stdout] test src/collections/vec.rs - collections::vec::Vec (line 28) ... ok
[INFO] [stdout] test src/collections/vec.rs - collections::vec::Vec (line 65) ... ok
[INFO] [stdout] test src/collections/hash_map.rs - collections::hash_map::HashMap (line 83) ... ok
[INFO] [stdout] test src/collections/hash_set.rs - collections::hash_set::HashSet (line 81) ... ok
[INFO] [stdout] test src/collections/hash_set.rs - collections::hash_set::HashSet (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55394ec23abee11a3005f976af54b30378155474182744aaaada4ca0c226a53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55394ec23abee11a3005f976af54b30378155474182744aaaada4ca0c226a53f", kill_on_drop: false }`
[INFO] [stdout] 55394ec23abee11a3005f976af54b30378155474182744aaaada4ca0c226a53f