[INFO] fetching crate simpler_timer 0.2.0...
[INFO] testing simpler_timer-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate simpler_timer 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate simpler_timer 0.2.0 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 simpler_timer 0.2.0
[INFO] finished tweaking crates.io crate simpler_timer 0.2.0
[INFO] tweaked toml for crates.io crate simpler_timer 0.2.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 422ea71b7a9abfeecd629a85f8e4ecce409f7fad7e80449c6bb1bc4a9c4d1d38
[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" "422ea71b7a9abfeecd629a85f8e4ecce409f7fad7e80449c6bb1bc4a9c4d1d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422ea71b7a9abfeecd629a85f8e4ecce409f7fad7e80449c6bb1bc4a9c4d1d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422ea71b7a9abfeecd629a85f8e4ecce409f7fad7e80449c6bb1bc4a9c4d1d38", kill_on_drop: false }`
[INFO] [stdout] 422ea71b7a9abfeecd629a85f8e4ecce409f7fad7e80449c6bb1bc4a9c4d1d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f60dc82c63b040677048ab3f3906b84af3eaabb601b080cb78259b219162672
[INFO] running `Command { std: "docker" "start" "-a" "9f60dc82c63b040677048ab3f3906b84af3eaabb601b080cb78259b219162672", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpler_timer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9f60dc82c63b040677048ab3f3906b84af3eaabb601b080cb78259b219162672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f60dc82c63b040677048ab3f3906b84af3eaabb601b080cb78259b219162672", kill_on_drop: false }`
[INFO] [stdout] 9f60dc82c63b040677048ab3f3906b84af3eaabb601b080cb78259b219162672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a0412d6072053d91e621114f0cb5d408a98d7eb521e69275c9c9e6149c4a6bc1
[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" "a0412d6072053d91e621114f0cb5d408a98d7eb521e69275c9c9e6149c4a6bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpler_timer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "a0412d6072053d91e621114f0cb5d408a98d7eb521e69275c9c9e6149c4a6bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0412d6072053d91e621114f0cb5d408a98d7eb521e69275c9c9e6149c4a6bc1", kill_on_drop: false }`
[INFO] [stdout] a0412d6072053d91e621114f0cb5d408a98d7eb521e69275c9c9e6149c4a6bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 455aacd62d561b70c9c4759aa93ac442faf9301f664491fa723edc488c10aa2c
[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" "455aacd62d561b70c9c4759aa93ac442faf9301f664491fa723edc488c10aa2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simpler_timer-64a2b709a601ce65
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::wait_should_account_for_elapsed_time ... ignored
[INFO] [stdout] test tests::wait_test ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simpler_timer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Timer`
[INFO] [stdout]  --> src/lib.rs:15:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | let tick = Timer::with_duration(Duration::from_millis(100));
[INFO] [stdout]   |            ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simpler_timer::Timer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Timer`
[INFO] [stdout]  --> src/lib.rs:17:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | let end = Timer::with_duration(Duration::from_secs(1));
[INFO] [stdout]   |           ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simpler_timer::Timer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "455aacd62d561b70c9c4759aa93ac442faf9301f664491fa723edc488c10aa2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455aacd62d561b70c9c4759aa93ac442faf9301f664491fa723edc488c10aa2c", kill_on_drop: false }`
[INFO] [stdout] 455aacd62d561b70c9c4759aa93ac442faf9301f664491fa723edc488c10aa2c