[INFO] fetching crate async-mongodb-session 1.0.0...
[INFO] checking async-mongodb-session-1.0.0 against beta for pr-78714
[INFO] extracting crate async-mongodb-session 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async-mongodb-session 1.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-mongodb-session 1.0.0
[INFO] finished tweaking crates.io crate async-mongodb-session 1.0.0
[INFO] tweaked toml for crates.io crate async-mongodb-session 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4ab189b8862a3e71e84e8cd5c33cfb32ddcc11c7af5a8771bae7a466fc180e8
[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" "b4ab189b8862a3e71e84e8cd5c33cfb32ddcc11c7af5a8771bae7a466fc180e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ab189b8862a3e71e84e8cd5c33cfb32ddcc11c7af5a8771bae7a466fc180e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ab189b8862a3e71e84e8cd5c33cfb32ddcc11c7af5a8771bae7a466fc180e8", kill_on_drop: false }`
[INFO] [stdout] b4ab189b8862a3e71e84e8cd5c33cfb32ddcc11c7af5a8771bae7a466fc180e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063992815c10b0c5c37238e70272c8ee691c739e1404e93ed71e56af3a7fd79a
[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" "063992815c10b0c5c37238e70272c8ee691c739e1404e93ed71e56af3a7fd79a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling serde_with_macros v1.2.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_with v1.5.1
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking mongodb v1.1.1
[INFO] [stderr]     Checking async-mongodb-session v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "063992815c10b0c5c37238e70272c8ee691c739e1404e93ed71e56af3a7fd79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063992815c10b0c5c37238e70272c8ee691c739e1404e93ed71e56af3a7fd79a", kill_on_drop: false }`
[INFO] [stdout] 063992815c10b0c5c37238e70272c8ee691c739e1404e93ed71e56af3a7fd79a