[INFO] cloning repository https://github.com/booleancoercion/chat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/booleancoercion/chat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c11116b61795f65a0aaf79d009457310f87a32
[INFO] checking booleancoercion/chat-rs against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs" "/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/booleancoercion/chat-rs on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/booleancoercion/chat-rs
[INFO] finished tweaking git repo https://github.com/booleancoercion/chat-rs
[INFO] tweaked toml for git repo https://github.com/booleancoercion/chat-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/booleancoercion/chat-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-mac v0.10.0
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded hmac v0.10.1
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.63
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded k256 v0.5.10
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded const-oid v0.1.0
[INFO] [stderr]   Downloaded elliptic-curve v0.6.6
[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" "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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219b10adeaf8c2d8b6f0719a6f484d65f98d9031388efc704b5310e2de578e01
[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" "219b10adeaf8c2d8b6f0719a6f484d65f98d9031388efc704b5310e2de578e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219b10adeaf8c2d8b6f0719a6f484d65f98d9031388efc704b5310e2de578e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219b10adeaf8c2d8b6f0719a6f484d65f98d9031388efc704b5310e2de578e01", kill_on_drop: false }`
[INFO] [stdout] 219b10adeaf8c2d8b6f0719a6f484d65f98d9031388efc704b5310e2de578e01
[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" "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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410d53a92cddc5e29afcf52d0bf89de7b445858d399f5f40293c691d5cd2c35e
[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" "410d53a92cddc5e29afcf52d0bf89de7b445858d399f5f40293c691d5cd2c35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking const-oid v0.1.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking k256 v0.5.10
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking chat-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.67s
[INFO] running `Command { std: "docker" "inspect" "410d53a92cddc5e29afcf52d0bf89de7b445858d399f5f40293c691d5cd2c35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410d53a92cddc5e29afcf52d0bf89de7b445858d399f5f40293c691d5cd2c35e", kill_on_drop: false }`
[INFO] [stdout] 410d53a92cddc5e29afcf52d0bf89de7b445858d399f5f40293c691d5cd2c35e