[INFO] fetching crate grpc-rust 0.1.0...
[INFO] testing grpc-rust-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate grpc-rust 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grpc-rust 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grpc-rust 0.1.0
[INFO] finished tweaking crates.io crate grpc-rust 0.1.0
[INFO] tweaked toml for crates.io crate grpc-rust 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c907bf7db72287968009df0b73ba05c046b14a4d5ee9c158fd4bc3600b42460b
[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" "c907bf7db72287968009df0b73ba05c046b14a4d5ee9c158fd4bc3600b42460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c907bf7db72287968009df0b73ba05c046b14a4d5ee9c158fd4bc3600b42460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c907bf7db72287968009df0b73ba05c046b14a4d5ee9c158fd4bc3600b42460b", kill_on_drop: false }`
[INFO] [stdout] c907bf7db72287968009df0b73ba05c046b14a4d5ee9c158fd4bc3600b42460b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 494c5dcf04222651ef6ac5ef8f3cc3c90ee2935bb616727d6d2a8efde48554d3
[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" "494c5dcf04222651ef6ac5ef8f3cc3c90ee2935bb616727d6d2a8efde48554d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]    Compiling grpc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::IO(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "494c5dcf04222651ef6ac5ef8f3cc3c90ee2935bb616727d6d2a8efde48554d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494c5dcf04222651ef6ac5ef8f3cc3c90ee2935bb616727d6d2a8efde48554d3", kill_on_drop: false }`
[INFO] [stdout] 494c5dcf04222651ef6ac5ef8f3cc3c90ee2935bb616727d6d2a8efde48554d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d6c821fcf8d6dae4e1b82458d2959c0eaf0d2bc03363f97fc4d5fa1cffe42b
[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" "34d6c821fcf8d6dae4e1b82458d2959c0eaf0d2bc03363f97fc4d5fa1cffe42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling grpc-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::IO(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::IO(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "34d6c821fcf8d6dae4e1b82458d2959c0eaf0d2bc03363f97fc4d5fa1cffe42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d6c821fcf8d6dae4e1b82458d2959c0eaf0d2bc03363f97fc4d5fa1cffe42b", kill_on_drop: false }`
[INFO] [stdout] 34d6c821fcf8d6dae4e1b82458d2959c0eaf0d2bc03363f97fc4d5fa1cffe42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d373905863d47016b248a5dda7b356444e94e4601d1b816f0db93a75b836939a
[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" "d373905863d47016b248a5dda7b356444e94e4601d1b816f0db93a75b836939a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:64:39
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Error::IO(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 1 test
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:64:39
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Error::IO(ref err) => err.description(),
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grpc_rust-2a6c06935abef1a5
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grpc-rust
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/macros.rs - repeat_yellow (line 54) ... FAILED
[INFO] [stdout] test src/macros.rs - repeat_blue (line 70) ... FAILED
[INFO] [stdout] test src/macros.rs - repeat_red (line 38) ... FAILED
[INFO] [stdout] test src/macros.rs - repeat (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/macros.rs - repeat_yellow (line 54) stdout ----
[INFO] [stdout] error: cannot find macro `repeat_yellow` in this scope
[INFO] [stdout]  --> src/macros.rs:55:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | repeat_yellow!("=", 80);
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/macros.rs - repeat_blue (line 70) stdout ----
[INFO] [stdout] error: cannot find macro `repeat_blue` in this scope
[INFO] [stdout]  --> src/macros.rs:71:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | repeat_blue!("=", 80);
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/macros.rs - repeat_red (line 38) stdout ----
[INFO] [stdout] error: cannot find macro `repeat_red` in this scope
[INFO] [stdout]  --> src/macros.rs:39:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | repeat_red!("=", 80);
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/macros.rs - repeat (line 22) stdout ----
[INFO] [stdout] error: cannot find macro `sep` in this scope
[INFO] [stdout]  --> src/macros.rs:23:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | sep!("=", 80);
[INFO] [stdout]   | ^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/macros.rs - repeat (line 22)
[INFO] [stdout]     src/macros.rs - repeat_blue (line 70)
[INFO] [stdout]     src/macros.rs - repeat_red (line 38)
[INFO] [stdout]     src/macros.rs - repeat_yellow (line 54)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d373905863d47016b248a5dda7b356444e94e4601d1b816f0db93a75b836939a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d373905863d47016b248a5dda7b356444e94e4601d1b816f0db93a75b836939a", kill_on_drop: false }`
[INFO] [stdout] d373905863d47016b248a5dda7b356444e94e4601d1b816f0db93a75b836939a