[INFO] cloning repository https://github.com/mveytsman/rustyshellchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mveytsman/rustyshellchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmveytsman%2Frustyshellchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmveytsman%2Frustyshellchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f467f8a06bde141195e9fa85da012d3e03b3560
[INFO] checking mveytsman/rustyshellchat against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmveytsman%2Frustyshellchat" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mveytsman/rustyshellchat on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mveytsman/rustyshellchat
[INFO] finished tweaking git repo https://github.com/mveytsman/rustyshellchat
[INFO] tweaked toml for git repo https://github.com/mveytsman/rustyshellchat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mveytsman/rustyshellchat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thrussh-libsodium v0.1.4
[INFO] [stderr]   Downloaded cryptovec v0.4.6
[INFO] [stderr]   Downloaded yasna v0.1.3
[INFO] [stderr]   Downloaded thrussh-keys v0.11.9
[INFO] [stderr]   Downloaded thrussh v0.21.5
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3bb524349ab1371ccbe071b24c7f0645d9662b160928c228691463152780bd3
[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" "d3bb524349ab1371ccbe071b24c7f0645d9662b160928c228691463152780bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3bb524349ab1371ccbe071b24c7f0645d9662b160928c228691463152780bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bb524349ab1371ccbe071b24c7f0645d9662b160928c228691463152780bd3", kill_on_drop: false }`
[INFO] [stdout] d3bb524349ab1371ccbe071b24c7f0645d9662b160928c228691463152780bd3
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d52c7f436ba7b9783d2338238c063623d513e153c6b28b39abf5707f599e349
[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" "8d52c7f436ba7b9783d2338238c063623d513e153c6b28b39abf5707f599e349", kill_on_drop: false }`
[INFO] [stderr]    Compiling thrussh-libsodium v0.1.4
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking cryptovec v0.4.6
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking yasna v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking thrussh-keys v0.11.9
[INFO] [stderr]     Checking thrussh v0.21.5
[INFO] [stderr]     Checking rustyshellchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.77s
[INFO] running `Command { std: "docker" "inspect" "8d52c7f436ba7b9783d2338238c063623d513e153c6b28b39abf5707f599e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d52c7f436ba7b9783d2338238c063623d513e153c6b28b39abf5707f599e349", kill_on_drop: false }`
[INFO] [stdout] 8d52c7f436ba7b9783d2338238c063623d513e153c6b28b39abf5707f599e349