[INFO] updating cached repository https://github.com/peitalin/key-exchange-parsing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9726a3ae2739c0bd3f30d603251ad7236cfd7d4
[INFO] testing peitalin/key-exchange-parsing against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeitalin%2Fkey-exchange-parsing" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peitalin/key-exchange-parsing on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peitalin/key-exchange-parsing
[INFO] finished tweaking git repo https://github.com/peitalin/key-exchange-parsing
[INFO] tweaked toml for git repo https://github.com/peitalin/key-exchange-parsing written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/peitalin/key-exchange-parsing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a3d5098c23909f4d549a66bc6bf9134a1c8d4b18bff34b11d8f52ece8910b6
[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" "f2a3d5098c23909f4d549a66bc6bf9134a1c8d4b18bff34b11d8f52ece8910b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a3d5098c23909f4d549a66bc6bf9134a1c8d4b18bff34b11d8f52ece8910b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a3d5098c23909f4d549a66bc6bf9134a1c8d4b18bff34b11d8f52ece8910b6", kill_on_drop: false }`
[INFO] [stdout] f2a3d5098c23909f4d549a66bc6bf9134a1c8d4b18bff34b11d8f52ece8910b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e45ed316916a1e5d8355698fd80adf2e6410dff821f95cc31e88019c5b73fe8b
[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" "e45ed316916a1e5d8355698fd80adf2e6410dff821f95cc31e88019c5b73fe8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling wait-timeout v0.1.5
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling digest v0.7.4
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling sha3 v0.7.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rusty-fork v0.2.0
[INFO] [stderr]    Compiling proptest v0.7.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling diffie-hellman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `tokio`
[INFO] [stdout]  --> src/_6_network.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate tokio;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diffie-hellman`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e45ed316916a1e5d8355698fd80adf2e6410dff821f95cc31e88019c5b73fe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45ed316916a1e5d8355698fd80adf2e6410dff821f95cc31e88019c5b73fe8b", kill_on_drop: false }`
[INFO] [stdout] e45ed316916a1e5d8355698fd80adf2e6410dff821f95cc31e88019c5b73fe8b