[INFO] updating cached repository https://github.com/hoodie/rust-workshop-chat
[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] 546ad1274391213448c282914a46f558a5b137eb
[INFO] testing hoodie/rust-workshop-chat against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Frust-workshop-chat" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoodie/rust-workshop-chat on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hoodie/rust-workshop-chat
[INFO] finished tweaking git repo https://github.com/hoodie/rust-workshop-chat
[INFO] tweaked toml for git repo https://github.com/hoodie/rust-workshop-chat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hoodie/rust-workshop-chat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61fb64b3f8867da041c27753ca141595935cb4bdcbffe0acedc498d5f58a5fdd
[INFO] running `"docker" "start" "-a" "61fb64b3f8867da041c27753ca141595935cb4bdcbffe0acedc498d5f58a5fdd"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling findshlibs v0.5.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling addr2line v0.11.0
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling color-backtrace v0.3.0
[INFO] [stderr]    Compiling workshop-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `"docker" "inspect" "61fb64b3f8867da041c27753ca141595935cb4bdcbffe0acedc498d5f58a5fdd"`
[INFO] running `"docker" "rm" "-f" "61fb64b3f8867da041c27753ca141595935cb4bdcbffe0acedc498d5f58a5fdd"`
[INFO] [stdout] 61fb64b3f8867da041c27753ca141595935cb4bdcbffe0acedc498d5f58a5fdd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ce61cc250f338af25012653f87f851f412d8718cfd596174703ac1bdada60e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1ce61cc250f338af25012653f87f851f412d8718cfd596174703ac1bdada60e5"`
[INFO] [stderr]    Compiling workshop-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> examples/server2.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handler`
[INFO] [stderr]   --> examples/server2.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     handler: T,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> examples/server.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `"docker" "inspect" "1ce61cc250f338af25012653f87f851f412d8718cfd596174703ac1bdada60e5"`
[INFO] running `"docker" "rm" "-f" "1ce61cc250f338af25012653f87f851f412d8718cfd596174703ac1bdada60e5"`
[INFO] [stdout] 1ce61cc250f338af25012653f87f851f412d8718cfd596174703ac1bdada60e5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 516ae43bce5eef0b212043a54086e463dda0aea2581a566d2ae4941074149338
[INFO] running `"docker" "start" "-a" "516ae43bce5eef0b212043a54086e463dda0aea2581a566d2ae4941074149338"`
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> examples/server2.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handler`
[INFO] [stderr]   --> examples/server2.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     handler: T,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> examples/server.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/workshop_chat-40dc3f2df47dd31e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "516ae43bce5eef0b212043a54086e463dda0aea2581a566d2ae4941074149338"`
[INFO] running `"docker" "rm" "-f" "516ae43bce5eef0b212043a54086e463dda0aea2581a566d2ae4941074149338"`
[INFO] [stdout] 516ae43bce5eef0b212043a54086e463dda0aea2581a566d2ae4941074149338