[INFO] cloning repository https://github.com/zowens/paxos-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zowens/paxos-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87b53e27c4c79bae7c80e43e21057beba96de7f1
[INFO] checking zowens/paxos-rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzowens%2Fpaxos-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zowens/paxos-rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zowens/paxos-rs
[INFO] finished tweaking git repo https://github.com/zowens/paxos-rs
[INFO] tweaked toml for git repo https://github.com/zowens/paxos-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zowens/paxos-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06361fc6ff729de06fadfe91f6d48fd240ae03487f4e3c9df3540345be7ba358
[INFO] running `Command { std: "docker" "start" "-a" "06361fc6ff729de06fadfe91f6d48fd240ae03487f4e3c9df3540345be7ba358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06361fc6ff729de06fadfe91f6d48fd240ae03487f4e3c9df3540345be7ba358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06361fc6ff729de06fadfe91f6d48fd240ae03487f4e3c9df3540345be7ba358", kill_on_drop: false }`
[INFO] [stdout] 06361fc6ff729de06fadfe91f6d48fd240ae03487f4e3c9df3540345be7ba358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08921c9e92888694a4d079f25328b747289e61ed14236b446f2d26fb3ae7df7c
[INFO] running `Command { std: "docker" "start" "-a" "08921c9e92888694a4d079f25328b747289e61ed14236b446f2d26fb3ae7df7c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking paxos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/http-paxos/kvstore.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             &inner.pending_get.insert(id, snd);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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 46.41s
[INFO] running `Command { std: "docker" "inspect" "08921c9e92888694a4d079f25328b747289e61ed14236b446f2d26fb3ae7df7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08921c9e92888694a4d079f25328b747289e61ed14236b446f2d26fb3ae7df7c", kill_on_drop: false }`
[INFO] [stdout] 08921c9e92888694a4d079f25328b747289e61ed14236b446f2d26fb3ae7df7c