[INFO] fetching crate thrussh 0.30.1...
[INFO] checking thrussh-0.30.1 against beta for pr-78714
[INFO] extracting crate thrussh 0.30.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate thrussh 0.30.1 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 thrussh 0.30.1
[INFO] finished tweaking crates.io crate thrussh 0.30.1
[INFO] tweaked toml for crates.io crate thrussh 0.30.1 written to /workspace/builds/worker-0/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] 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6bb1d5b8b8901bd8f790aad145281fbe6247b2ec33969f8eac7e870dda302293
[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" "6bb1d5b8b8901bd8f790aad145281fbe6247b2ec33969f8eac7e870dda302293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb1d5b8b8901bd8f790aad145281fbe6247b2ec33969f8eac7e870dda302293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb1d5b8b8901bd8f790aad145281fbe6247b2ec33969f8eac7e870dda302293", kill_on_drop: false }`
[INFO] [stdout] 6bb1d5b8b8901bd8f790aad145281fbe6247b2ec33969f8eac7e870dda302293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 727b724b449fbe49f4f74282158018a1a0d46fe24302358d8414619df5ffc828
[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" "727b724b449fbe49f4f74282158018a1a0d46fe24302358d8414619df5ffc828", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking cryptovec v0.5.5
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking thrussh-libsodium v0.2.1
[INFO] [stderr]     Checking thrussh-keys v0.19.0
[INFO] [stderr]     Checking thrussh v0.30.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "727b724b449fbe49f4f74282158018a1a0d46fe24302358d8414619df5ffc828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727b724b449fbe49f4f74282158018a1a0d46fe24302358d8414619df5ffc828", kill_on_drop: false }`
[INFO] [stdout] 727b724b449fbe49f4f74282158018a1a0d46fe24302358d8414619df5ffc828