[INFO] fetching crate async_ctx 0.1.1...
[INFO] testing async_ctx-0.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate async_ctx 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async_ctx 0.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_ctx 0.1.1
[INFO] finished tweaking crates.io crate async_ctx 0.1.1
[INFO] tweaked toml for crates.io crate async_ctx 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e26870cf4fb3ce434f0c5eaf9b596ca422ae78bb1c1e4766fd7e8f3ca8691cd8
[INFO] running `Command { std: "docker" "start" "-a" "e26870cf4fb3ce434f0c5eaf9b596ca422ae78bb1c1e4766fd7e8f3ca8691cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26870cf4fb3ce434f0c5eaf9b596ca422ae78bb1c1e4766fd7e8f3ca8691cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26870cf4fb3ce434f0c5eaf9b596ca422ae78bb1c1e4766fd7e8f3ca8691cd8", kill_on_drop: false }`
[INFO] [stdout] e26870cf4fb3ce434f0c5eaf9b596ca422ae78bb1c1e4766fd7e8f3ca8691cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34d513f4b88897b8e59f157e29c8eb484163f8be469c462cf93175bdd396017
[INFO] running `Command { std: "docker" "start" "-a" "c34d513f4b88897b8e59f157e29c8eb484163f8be469c462cf93175bdd396017", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_ctx v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "c34d513f4b88897b8e59f157e29c8eb484163f8be469c462cf93175bdd396017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34d513f4b88897b8e59f157e29c8eb484163f8be469c462cf93175bdd396017", kill_on_drop: false }`
[INFO] [stdout] c34d513f4b88897b8e59f157e29c8eb484163f8be469c462cf93175bdd396017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac22a8796cb2bb4746393cc238d23d96539d04f1bd6be25787a48f42a1d721a0
[INFO] running `Command { std: "docker" "start" "-a" "ac22a8796cb2bb4746393cc238d23d96539d04f1bd6be25787a48f42a1d721a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async_ctx v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `Command { std: "docker" "inspect" "ac22a8796cb2bb4746393cc238d23d96539d04f1bd6be25787a48f42a1d721a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac22a8796cb2bb4746393cc238d23d96539d04f1bd6be25787a48f42a1d721a0", kill_on_drop: false }`
[INFO] [stdout] ac22a8796cb2bb4746393cc238d23d96539d04f1bd6be25787a48f42a1d721a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5e264e2425e6b7e1500f597c2d9a7619cb089be595c480c7679690ec8c4ecac
[INFO] running `Command { std: "docker" "start" "-a" "d5e264e2425e6b7e1500f597c2d9a7619cb089be595c480c7679690ec8c4ecac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_ctx-c30b314576dc9a0a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-56ca22f4ce39eb0f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test is_ready_if_completed ... ok
[INFO] [stdout] test is_ready_if_guard_is_dropped ... ok
[INFO] [stdout] test parent_completion_propagates_to_child ... ok
[INFO] [stdout] test is_pending_if_not_completed ... ok
[INFO] [stdout] test child_completion_doesnt_propagate_to_parent ... ok
[INFO] [stderr]    Doc-tests async_ctx
[INFO] [stdout] test is_pending_if_guard_is_live ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5e264e2425e6b7e1500f597c2d9a7619cb089be595c480c7679690ec8c4ecac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e264e2425e6b7e1500f597c2d9a7619cb089be595c480c7679690ec8c4ecac", kill_on_drop: false }`
[INFO] [stdout] d5e264e2425e6b7e1500f597c2d9a7619cb089be595c480c7679690ec8c4ecac