[INFO] cloning repository https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuriykulikov/ferrous-systems-rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706be91b9da8df283253d5b98ea02ef2409f03f2
[INFO] testing yuriykulikov/ferrous-systems-rust-training against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuriykulikov/ferrous-systems-rust-training on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] finished tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] tweaked toml for git repo https://github.com/yuriykulikov/ferrous-systems-rust-training written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yuriykulikov/ferrous-systems-rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded tokio v1.6.0
[INFO] [stderr]   Downloaded shrust v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d474f47f7e416139eb0429be59904ee68e4bcc9cfe7e2c8bff81c8c86905a8f
[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" "2d474f47f7e416139eb0429be59904ee68e4bcc9cfe7e2c8bff81c8c86905a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d474f47f7e416139eb0429be59904ee68e4bcc9cfe7e2c8bff81c8c86905a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d474f47f7e416139eb0429be59904ee68e4bcc9cfe7e2c8bff81c8c86905a8f", kill_on_drop: false }`
[INFO] [stdout] 2d474f47f7e416139eb0429be59904ee68e4bcc9cfe7e2c8bff81c8c86905a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d01470a97dcf48d776cab08843926e01b57e6e0f14588abe84821060320375
[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" "63d01470a97dcf48d776cab08843926e01b57e6e0f14588abe84821060320375", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling redisish v0.1.0 (/opt/rustwide/workdir/redisish)
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling shrust v0.0.7
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/rustwide/workdir/tcp-client)
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir/tcp-server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.58s
[INFO] running `Command { std: "docker" "inspect" "63d01470a97dcf48d776cab08843926e01b57e6e0f14588abe84821060320375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d01470a97dcf48d776cab08843926e01b57e6e0f14588abe84821060320375", kill_on_drop: false }`
[INFO] [stdout] 63d01470a97dcf48d776cab08843926e01b57e6e0f14588abe84821060320375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] cfce9f4b9631d31f6f4a2c4dec84f7ba7bf73a3697094a71908b7a4d85f6feee
[INFO] running `Command { std: "docker" "start" "-a" "cfce9f4b9631d31f6f4a2c4dec84f7ba7bf73a3697094a71908b7a4d85f6feee", kill_on_drop: false }`
[INFO] [stderr]    Compiling redisish v0.1.0 (/opt/rustwide/workdir/redisish)
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/rustwide/workdir/tcp-client)
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir/tcp-server)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "cfce9f4b9631d31f6f4a2c4dec84f7ba7bf73a3697094a71908b7a4d85f6feee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfce9f4b9631d31f6f4a2c4dec84f7ba7bf73a3697094a71908b7a4d85f6feee", kill_on_drop: false }`
[INFO] [stdout] cfce9f4b9631d31f6f4a2c4dec84f7ba7bf73a3697094a71908b7a4d85f6feee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] d3bc6955dc19a29a99a650f80090a606e735139e785df6d1258c8c9704626e29
[INFO] running `Command { std: "docker" "start" "-a" "d3bc6955dc19a29a99a650f80090a606e735139e785df6d1258c8c9704626e29", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizzbuzz-2a942ac571258305)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::fizzbuzz_with_match_test ... ok
[INFO] [stdout] test test::fizzbuzz_with_loops_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/redisish-6f2a69ff23090302)
[INFO] [stdout] test test::fizzbuzz_crosscheck_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_publish_empty_ok ... ok
[INFO] [stdout] test tests::test_publish_with_spaces_ok ... ok
[INFO] [stdout] test tests::test_retrieve_ok ... ok
[INFO] [stdout] test tests::test_retrieve_with_space_errors_with_malformed ... ok
[INFO] [stdout] test tests::test_retrieve_with_payload_errors_with_malformed ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_client-fa05ed47975b7f91)
[INFO] [stdout] test tests::test_publish_with_spaces_at_the_end_ok ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server-3764b89aba634473)
[INFO] [stdout] test tests::test_publish_ok ... ok
[INFO] [stdout] test tests::display_error_test ... ok
[INFO] [stdout] test tests::test_publish_newline_in_the_message ... ok
[INFO] [stdout] test tests::test_publish_missing_newline ... ok
[INFO] [stdout] test tests::unknown_command_errors_with_unknown_verb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fizzbuzz
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests redisish
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3bc6955dc19a29a99a650f80090a606e735139e785df6d1258c8c9704626e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bc6955dc19a29a99a650f80090a606e735139e785df6d1258c8c9704626e29", kill_on_drop: false }`
[INFO] [stdout] d3bc6955dc19a29a99a650f80090a606e735139e785df6d1258c8c9704626e29