[INFO] cloning repository https://github.com/yiransheng/rust-toy-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yiransheng/rust-toy-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-toy-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-toy-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c8108179589cc5ebecb5c6b625c4acedfc26c9
[INFO] checking yiransheng/rust-toy-redis against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-toy-redis" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yiransheng/rust-toy-redis on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yiransheng/rust-toy-redis
[INFO] finished tweaking git repo https://github.com/yiransheng/rust-toy-redis
[INFO] tweaked toml for git repo https://github.com/yiransheng/rust-toy-redis written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yiransheng/rust-toy-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad39a08c3e7ae0e9cb6c32bf623b05d282e61db8a649124ae467f340a4a724dd
[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" "ad39a08c3e7ae0e9cb6c32bf623b05d282e61db8a649124ae467f340a4a724dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad39a08c3e7ae0e9cb6c32bf623b05d282e61db8a649124ae467f340a4a724dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad39a08c3e7ae0e9cb6c32bf623b05d282e61db8a649124ae467f340a4a724dd", kill_on_drop: false }`
[INFO] [stdout] ad39a08c3e7ae0e9cb6c32bf623b05d282e61db8a649124ae467f340a4a724dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d6abb56dd186ef10cdc3fa00afd55c637701d0e6f3ea01a6361fa2c21501bd4
[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" "1d6abb56dd186ef10cdc3fa00afd55c637701d0e6f3ea01a6361fa2c21501bd4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.16
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking toy-redis v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "1d6abb56dd186ef10cdc3fa00afd55c637701d0e6f3ea01a6361fa2c21501bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6abb56dd186ef10cdc3fa00afd55c637701d0e6f3ea01a6361fa2c21501bd4", kill_on_drop: false }`
[INFO] [stdout] 1d6abb56dd186ef10cdc3fa00afd55c637701d0e6f3ea01a6361fa2c21501bd4