[INFO] fetching crate tower-ready-cache 0.3.1...
[INFO] testing tower-ready-cache-0.3.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tower-ready-cache 0.3.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate tower-ready-cache 0.3.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] finished tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] tweaked toml for crates.io crate tower-ready-cache 0.3.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef0810d93853f35f11ddc4f571f60ceca1445d9bc679ab71129f9d966c7c8d5
[INFO] running `Command { std: "docker" "start" "-a" "eef0810d93853f35f11ddc4f571f60ceca1445d9bc679ab71129f9d966c7c8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef0810d93853f35f11ddc4f571f60ceca1445d9bc679ab71129f9d966c7c8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef0810d93853f35f11ddc4f571f60ceca1445d9bc679ab71129f9d966c7c8d5", kill_on_drop: false }`
[INFO] [stdout] eef0810d93853f35f11ddc4f571f60ceca1445d9bc679ab71129f9d966c7c8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b0693da9f61854b143c0772f724b48e28f6da649057e5155c05bcc23d70927
[INFO] running `Command { std: "docker" "start" "-a" "00b0693da9f61854b143c0772f724b48e28f6da649057e5155c05bcc23d70927", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "00b0693da9f61854b143c0772f724b48e28f6da649057e5155c05bcc23d70927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b0693da9f61854b143c0772f724b48e28f6da649057e5155c05bcc23d70927", kill_on_drop: false }`
[INFO] [stdout] 00b0693da9f61854b143c0772f724b48e28f6da649057e5155c05bcc23d70927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee8aaf277a00b5b3ea8e1866d5396124d6aa18f68252fb3dc9d91b676d5b039
[INFO] running `Command { std: "docker" "start" "-a" "7ee8aaf277a00b5b3ea8e1866d5396124d6aa18f68252fb3dc9d91b676d5b039", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.87s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_ready_cache-5a99ce4aca32fef8)
[INFO] [stderr]   Executable tests/ready_cache.rs (/opt/rustwide/target/debug/deps/ready_cache-d67cf0f7ece36e4a)
[INFO] running `Command { std: "docker" "inspect" "7ee8aaf277a00b5b3ea8e1866d5396124d6aa18f68252fb3dc9d91b676d5b039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee8aaf277a00b5b3ea8e1866d5396124d6aa18f68252fb3dc9d91b676d5b039", kill_on_drop: false }`
[INFO] [stdout] 7ee8aaf277a00b5b3ea8e1866d5396124d6aa18f68252fb3dc9d91b676d5b039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c1cf6500e994089c2e92eadba62b27c52c57c0cbf2b80fd0053cabc77feb8a5
[INFO] running `Command { std: "docker" "start" "-a" "1c1cf6500e994089c2e92eadba62b27c52c57c0cbf2b80fd0053cabc77feb8a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_ready_cache-5a99ce4aca32fef8)
[INFO] [stderr]      Running tests/ready_cache.rs (/opt/rustwide/target/debug/deps/ready_cache-d67cf0f7ece36e4a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test duplicate_key_by_index ... ok
[INFO] [stdout] test error_after_promote ... ok
[INFO] [stdout] test evict_ready_then_error ... ok
[INFO] [stdout] test poll_ready_inner_failure ... ok
[INFO] [stdout] test evict_pending_then_error ... ok
[INFO] [stdout] test poll_ready_not_ready ... ok
[INFO] [stdout] test poll_ready_promotes_inner ... ok
[INFO] [stdout] test push_then_evict ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-ready-cache
[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" "1c1cf6500e994089c2e92eadba62b27c52c57c0cbf2b80fd0053cabc77feb8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1cf6500e994089c2e92eadba62b27c52c57c0cbf2b80fd0053cabc77feb8a5", kill_on_drop: false }`
[INFO] [stdout] 1c1cf6500e994089c2e92eadba62b27c52c57c0cbf2b80fd0053cabc77feb8a5