[INFO] fetching crate portal-client 0.2.0...
[INFO] checking portal-client-0.2.0 against beta for pr-78714
[INFO] extracting crate portal-client 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate portal-client 0.2.0 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 portal-client 0.2.0
[INFO] finished tweaking crates.io crate portal-client 0.2.0
[INFO] tweaked toml for crates.io crate portal-client 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate portal-client 0.2.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b1a190a46914d9906a743ef203bfd2c9600397d69bf1c11aafe0e7fd9a1d601a
[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" "b1a190a46914d9906a743ef203bfd2c9600397d69bf1c11aafe0e7fd9a1d601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a190a46914d9906a743ef203bfd2c9600397d69bf1c11aafe0e7fd9a1d601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a190a46914d9906a743ef203bfd2c9600397d69bf1c11aafe0e7fd9a1d601a", kill_on_drop: false }`
[INFO] [stdout] b1a190a46914d9906a743ef203bfd2c9600397d69bf1c11aafe0e7fd9a1d601a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8087c890d93c1cd6348373514d4bb7f37686ed1055613ba93b319c20505548cf
[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" "8087c890d93c1cd6348373514d4bb7f37686ed1055613ba93b319c20505548cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rpassword v5.0.0
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking dns-lookup v1.0.4
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking hkdf v0.7.1
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking spake2 v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking portal-lib v0.2.0
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking portal-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "8087c890d93c1cd6348373514d4bb7f37686ed1055613ba93b319c20505548cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8087c890d93c1cd6348373514d4bb7f37686ed1055613ba93b319c20505548cf", kill_on_drop: false }`
[INFO] [stdout] 8087c890d93c1cd6348373514d4bb7f37686ed1055613ba93b319c20505548cf