[INFO] cloning repository https://github.com/32byte/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/32byte/chat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F32byte%2Fchat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F32byte%2Fchat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2be74a84983aedc416edef366043578fbc12fe47
[INFO] checking 32byte/chat-rs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F32byte%2Fchat-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/32byte/chat-rs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/32byte/chat-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/32byte/chat-rs
[INFO] tweaked toml for git repo https://github.com/32byte/chat-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/32byte/chat-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892f25c9276f96cd9c888bfa75e2ada40ced9f3b18ceae322a0a8944a40f92a3
[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" "892f25c9276f96cd9c888bfa75e2ada40ced9f3b18ceae322a0a8944a40f92a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892f25c9276f96cd9c888bfa75e2ada40ced9f3b18ceae322a0a8944a40f92a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892f25c9276f96cd9c888bfa75e2ada40ced9f3b18ceae322a0a8944a40f92a3", kill_on_drop: false }`
[INFO] [stdout] 892f25c9276f96cd9c888bfa75e2ada40ced9f3b18ceae322a0a8944a40f92a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e391c330e4a36eb0f0acf41057e8970fb01e73d6fa779f16172fefe98f5229c
[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" "3e391c330e4a36eb0f0acf41057e8970fb01e73d6fa779f16172fefe98f5229c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha256 v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking chat-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.78s
[INFO] running `Command { std: "docker" "inspect" "3e391c330e4a36eb0f0acf41057e8970fb01e73d6fa779f16172fefe98f5229c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e391c330e4a36eb0f0acf41057e8970fb01e73d6fa779f16172fefe98f5229c", kill_on_drop: false }`
[INFO] [stdout] 3e391c330e4a36eb0f0acf41057e8970fb01e73d6fa779f16172fefe98f5229c