[INFO] fetching crate mbus-api 0.3.4...
[INFO] checking mbus-api-0.3.4 against beta for pr-78714
[INFO] extracting crate mbus-api 0.3.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mbus-api 0.3.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate mbus-api 0.3.4
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate mbus-api 0.3.4
[INFO] tweaked toml for crates.io crate mbus-api 0.3.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mbus-api 0.3.4 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ea92174769b9a6831852d7515631786be3fbe9b563c4822fffb30c85d180d74
[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" "6ea92174769b9a6831852d7515631786be3fbe9b563c4822fffb30c85d180d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea92174769b9a6831852d7515631786be3fbe9b563c4822fffb30c85d180d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea92174769b9a6831852d7515631786be3fbe9b563c4822fffb30c85d180d74", kill_on_drop: false }`
[INFO] [stdout] 6ea92174769b9a6831852d7515631786be3fbe9b563c4822fffb30c85d180d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbc84a7f3d6f0d44eb309168d0b52ced67b65e98b47e76e919ef81bc22b13b8
[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" "8cbc84a7f3d6f0d44eb309168d0b52ced67b65e98b47e76e919ef81bc22b13b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling hyper-openssl v0.8.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-openssl v0.4.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking swagger v5.0.0
[INFO] [stderr]     Checking mbus-api v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "8cbc84a7f3d6f0d44eb309168d0b52ced67b65e98b47e76e919ef81bc22b13b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbc84a7f3d6f0d44eb309168d0b52ced67b65e98b47e76e919ef81bc22b13b8", kill_on_drop: false }`
[INFO] [stdout] 8cbc84a7f3d6f0d44eb309168d0b52ced67b65e98b47e76e919ef81bc22b13b8