[INFO] cloning repository https://github.com/mboratko/rust_std_echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mboratko/rust_std_echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmboratko%2Frust_std_echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmboratko%2Frust_std_echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bca861d08c7c9111e2c296ce47c7f8a46f279e27
[INFO] testing mboratko/rust_std_echo against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmboratko%2Frust_std_echo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mboratko/rust_std_echo on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mboratko/rust_std_echo
[INFO] finished tweaking git repo https://github.com/mboratko/rust_std_echo
[INFO] tweaked toml for git repo https://github.com/mboratko/rust_std_echo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mboratko/rust_std_echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 7c295a96a8ab9de0f8933c8651dda73ff208967c33fb3ec106435b660b18ee19
[INFO] running `Command { std: "docker" "start" "-a" "7c295a96a8ab9de0f8933c8651dda73ff208967c33fb3ec106435b660b18ee19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c295a96a8ab9de0f8933c8651dda73ff208967c33fb3ec106435b660b18ee19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c295a96a8ab9de0f8933c8651dda73ff208967c33fb3ec106435b660b18ee19", kill_on_drop: false }`
[INFO] [stdout] 7c295a96a8ab9de0f8933c8651dda73ff208967c33fb3ec106435b660b18ee19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20eee129cfc18ed2f68a757ab0c4273118fb5e2c0ea424d114577edfea0e5d80
[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" "20eee129cfc18ed2f68a757ab0c4273118fb5e2c0ea424d114577edfea0e5d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_std_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/client.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |         println!("Server >>> {}", received_str.trim_right());
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/server.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let received_str = received_str.trim_right();
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 2.79s
[INFO] running `Command { std: "docker" "inspect" "20eee129cfc18ed2f68a757ab0c4273118fb5e2c0ea424d114577edfea0e5d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20eee129cfc18ed2f68a757ab0c4273118fb5e2c0ea424d114577edfea0e5d80", kill_on_drop: false }`
[INFO] [stdout] 20eee129cfc18ed2f68a757ab0c4273118fb5e2c0ea424d114577edfea0e5d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 2573cdd8f1e616b00a7f3e3ce859d89d5d49ad7fb13cfd57679f002625ee094b
[INFO] running `Command { std: "docker" "start" "-a" "2573cdd8f1e616b00a7f3e3ce859d89d5d49ad7fb13cfd57679f002625ee094b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_std_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/server.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let received_str = received_str.trim_right();
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/client.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |         println!("Server >>> {}", received_str.trim_right());
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]   Executable unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-5670ea74b703f579)
[INFO] [stderr]   Executable unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-681c83f9b33cc386)
[INFO] running `Command { std: "docker" "inspect" "2573cdd8f1e616b00a7f3e3ce859d89d5d49ad7fb13cfd57679f002625ee094b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2573cdd8f1e616b00a7f3e3ce859d89d5d49ad7fb13cfd57679f002625ee094b", kill_on_drop: false }`
[INFO] [stdout] 2573cdd8f1e616b00a7f3e3ce859d89d5d49ad7fb13cfd57679f002625ee094b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73b76af745f0e35f2d355340d53a1aceb18d2063e6ed6554250209b921ee79bf
[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" "73b76af745f0e35f2d355340d53a1aceb18d2063e6ed6554250209b921ee79bf", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/bin/server.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let received_str = received_str.trim_right();
[INFO] [stderr]    |                                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_std_echo` (bin "server" test) generated 1 warning
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/bin/client.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("Server >>> {}", received_str.trim_right());
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_std_echo` (bin "client" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-5670ea74b703f579)
[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]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-681c83f9b33cc386)
[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" "73b76af745f0e35f2d355340d53a1aceb18d2063e6ed6554250209b921ee79bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b76af745f0e35f2d355340d53a1aceb18d2063e6ed6554250209b921ee79bf", kill_on_drop: false }`
[INFO] [stdout] 73b76af745f0e35f2d355340d53a1aceb18d2063e6ed6554250209b921ee79bf