[INFO] fetching crate message_db 0.0.8...
[INFO] building message_db-0.0.8 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate message_db 0.0.8 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate message_db 0.0.8 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate message_db 0.0.8
[INFO] finished tweaking crates.io crate message_db 0.0.8
[INFO] tweaked toml for crates.io crate message_db 0.0.8 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96272a831ce1750dcf1d1b12edca24b3e03b0ae3e73aaaff9f80bffcdf812579
[INFO] running `Command { std: "docker" "start" "-a" "96272a831ce1750dcf1d1b12edca24b3e03b0ae3e73aaaff9f80bffcdf812579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96272a831ce1750dcf1d1b12edca24b3e03b0ae3e73aaaff9f80bffcdf812579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96272a831ce1750dcf1d1b12edca24b3e03b0ae3e73aaaff9f80bffcdf812579", kill_on_drop: false }`
[INFO] [stdout] 96272a831ce1750dcf1d1b12edca24b3e03b0ae3e73aaaff9f80bffcdf812579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8c0377e3515f181c2840aa299559dec75c1f1a20470b697d8bec94ef4ebd09
[INFO] running `Command { std: "docker" "start" "-a" "4f8c0377e3515f181c2840aa299559dec75c1f1a20470b697d8bec94ef4ebd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling whoami v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling md-5 v0.10.1
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling sqlformat v0.1.8
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio v1.19.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.9
[INFO] [stderr]    Compiling sqlx-rt v0.5.13
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling sqlx-core v0.5.13
[INFO] [stderr]    Compiling sqlx-macros v0.5.13
[INFO] [stderr]    Compiling sqlx v0.5.13
[INFO] [stderr]    Compiling message_db v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.10s
[INFO] running `Command { std: "docker" "inspect" "4f8c0377e3515f181c2840aa299559dec75c1f1a20470b697d8bec94ef4ebd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8c0377e3515f181c2840aa299559dec75c1f1a20470b697d8bec94ef4ebd09", kill_on_drop: false }`
[INFO] [stdout] 4f8c0377e3515f181c2840aa299559dec75c1f1a20470b697d8bec94ef4ebd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6929bf2ec39e877ed55f11a34bccaf07f18ac62947e2ce51ede534512f0d6b9
[INFO] running `Command { std: "docker" "start" "-a" "c6929bf2ec39e877ed55f11a34bccaf07f18ac62947e2ce51ede534512f0d6b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling test-context-macros v0.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling test-context v0.1.3
[INFO] [stderr]    Compiling message_db v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/message_db.rs:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 |   subscription.load_position().await;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/message_db.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     subscription.update_read_position(position).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/message_db.rs:83:3
[INFO] [stdout]    |
[INFO] [stdout] 83 |   subscription.write_position(24).await;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.85s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/message_db-8cf3191606d22116)
[INFO] [stderr]   Executable tests/message_db.rs (/opt/rustwide/target/debug/deps/message_db-6c8a440fdc2a4556)
[INFO] [stderr]   Executable tests/reader.rs (/opt/rustwide/target/debug/deps/reader-5c4d9ab517df0728)
[INFO] [stderr]   Executable tests/test_setup.rs (/opt/rustwide/target/debug/deps/test_setup-db3cf5efba02b5f5)
[INFO] [stderr]   Executable tests/utils.rs (/opt/rustwide/target/debug/deps/utils-6c500d563ecc18cd)
[INFO] running `Command { std: "docker" "inspect" "c6929bf2ec39e877ed55f11a34bccaf07f18ac62947e2ce51ede534512f0d6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6929bf2ec39e877ed55f11a34bccaf07f18ac62947e2ce51ede534512f0d6b9", kill_on_drop: false }`
[INFO] [stdout] c6929bf2ec39e877ed55f11a34bccaf07f18ac62947e2ce51ede534512f0d6b9