[INFO] cloning repository https://github.com/CHAM0/client-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CHAM0/client-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHAM0%2Fclient-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHAM0%2Fclient-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fa62b1d67e393a25f05372f8b0ee11d5c4dd4a0
[INFO] checking CHAM0/client-server against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHAM0%2Fclient-server" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CHAM0/client-server on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CHAM0/client-server
[INFO] finished tweaking git repo https://github.com/CHAM0/client-server
[INFO] tweaked toml for git repo https://github.com/CHAM0/client-server written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CHAM0/client-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.74
[INFO] [stderr]   Downloaded serde_derive v1.0.74
[INFO] [stderr]   Downloaded ryu v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0acf508fa7f16fca094983cf55c265c2c120fe16bd3cf7f39d1bd3a9374a9b53
[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" "0acf508fa7f16fca094983cf55c265c2c120fe16bd3cf7f39d1bd3a9374a9b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0acf508fa7f16fca094983cf55c265c2c120fe16bd3cf7f39d1bd3a9374a9b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acf508fa7f16fca094983cf55c265c2c120fe16bd3cf7f39d1bd3a9374a9b53", kill_on_drop: false }`
[INFO] [stdout] 0acf508fa7f16fca094983cf55c265c2c120fe16bd3cf7f39d1bd3a9374a9b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b95ce71b86ab1d290081913434ab92a1513fb2ee35e02663d4b6e4bb766da58
[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" "6b95ce71b86ab1d290081913434ab92a1513fb2ee35e02663d4b6e4bb766da58", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.74
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-executor v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.5
[INFO] [stderr]     Checking tokio-reactor v0.1.3
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.74
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking tokio_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/client/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Value, Error};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/client/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Value, Error};
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j2`
[INFO] [stdout]   --> src/server/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let j2 = serde_json::to_string(&tata);
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_j2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j2`
[INFO] [stdout]   --> src/server/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let j2 = serde_json::to_string(&tata);
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_j2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.59s
[INFO] running `Command { std: "docker" "inspect" "6b95ce71b86ab1d290081913434ab92a1513fb2ee35e02663d4b6e4bb766da58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b95ce71b86ab1d290081913434ab92a1513fb2ee35e02663d4b6e4bb766da58", kill_on_drop: false }`
[INFO] [stdout] 6b95ce71b86ab1d290081913434ab92a1513fb2ee35e02663d4b6e4bb766da58