[INFO] updating cached repository https://github.com/CHAM0/client-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1fa62b1d67e393a25f05372f8b0ee11d5c4dd4a0 [INFO] checking CHAM0/client-server against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCHAM0%2Fclient-server" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CHAM0/client-server on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/source/Cargo.toml [INFO] crate git repo https://github.com/CHAM0/client-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eaa2a7619eca6f87a65f8b5829c4775d000c08ee2a97bdf5a07df33b79b7320d [INFO] running `"docker" "start" "-a" "eaa2a7619eca6f87a65f8b5829c4775d000c08ee2a97bdf5a07df33b79b7320d"` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [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] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ryu v0.2.5 [INFO] [stderr] Compiling serde v1.0.74 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking log v0.4.4 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking mio v0.6.15 [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-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp 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] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/client/main.rs:5:25 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/client/main.rs:5:25 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j2` [INFO] [stderr] --> src/server/main.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let j2 = serde_json::to_string(&tata); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_j2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j2` [INFO] [stderr] --> src/server/main.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let j2 = serde_json::to_string(&tata); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_j2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.51s [INFO] running `"docker" "inspect" "eaa2a7619eca6f87a65f8b5829c4775d000c08ee2a97bdf5a07df33b79b7320d"` [INFO] running `"docker" "rm" "-f" "eaa2a7619eca6f87a65f8b5829c4775d000c08ee2a97bdf5a07df33b79b7320d"` [INFO] [stdout] eaa2a7619eca6f87a65f8b5829c4775d000c08ee2a97bdf5a07df33b79b7320d