[INFO] fetching crate proxide 0.2.0-alpha.1...
[INFO] checking proxide-0.2.0-alpha.1 against beta for pr-78714
[INFO] extracting crate proxide 0.2.0-alpha.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate proxide 0.2.0-alpha.1 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 proxide 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate proxide 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate proxide 0.2.0-alpha.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate proxide 0.2.0-alpha.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 87ffbb053c8d90dfc56c4002ee703b19d9d378e464bb4537d3a66fd2423194ea
[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" "87ffbb053c8d90dfc56c4002ee703b19d9d378e464bb4537d3a66fd2423194ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87ffbb053c8d90dfc56c4002ee703b19d9d378e464bb4537d3a66fd2423194ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ffbb053c8d90dfc56c4002ee703b19d9d378e464bb4537d3a66fd2423194ea", kill_on_drop: false }`
[INFO] [stdout] 87ffbb053c8d90dfc56c4002ee703b19d9d378e464bb4537d3a66fd2423194ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c86af48ad17e77c130d0786f9c3eb58ec61103f8d72895eb03619c6bf40ebebb
[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" "c86af48ad17e77c130d0786f9c3eb58ec61103f8d72895eb03619c6bf40ebebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking wildmatch v1.0.10
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking lexical-core v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking rusticata-macros v2.1.0
[INFO] [stderr]     Checking der-parser v3.0.4
[INFO] [stderr]     Checking x509-parser v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking protofish v0.2.4
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking rcgen v0.8.3
[INFO] [stderr]     Checking http-serde v1.0.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking proxide v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "c86af48ad17e77c130d0786f9c3eb58ec61103f8d72895eb03619c6bf40ebebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86af48ad17e77c130d0786f9c3eb58ec61103f8d72895eb03619c6bf40ebebb", kill_on_drop: false }`
[INFO] [stdout] c86af48ad17e77c130d0786f9c3eb58ec61103f8d72895eb03619c6bf40ebebb