[INFO] fetching crate streaming-harness-hdrhist 0.4.0...
[INFO] testing streaming-harness-hdrhist-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate streaming-harness-hdrhist 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate streaming-harness-hdrhist 0.4.0 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 streaming-harness-hdrhist 0.4.0
[INFO] finished tweaking crates.io crate streaming-harness-hdrhist 0.4.0
[INFO] tweaked toml for crates.io crate streaming-harness-hdrhist 0.4.0 written to /workspace/builds/worker-4/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-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" "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] 929cdc12599af76f50ecfb1f423a8a0697bd89fc324d7a3e4ec791f437613a39
[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" "929cdc12599af76f50ecfb1f423a8a0697bd89fc324d7a3e4ec791f437613a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "929cdc12599af76f50ecfb1f423a8a0697bd89fc324d7a3e4ec791f437613a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929cdc12599af76f50ecfb1f423a8a0697bd89fc324d7a3e4ec791f437613a39", kill_on_drop: false }`
[INFO] [stdout] 929cdc12599af76f50ecfb1f423a8a0697bd89fc324d7a3e4ec791f437613a39
[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=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] a5fcd5cfe3d1fe142d5b5da1d37c2a4ecf2deed6f2d27de5e22276a8818c31d7
[INFO] running `Command { std: "docker" "start" "-a" "a5fcd5cfe3d1fe142d5b5da1d37c2a4ecf2deed6f2d27de5e22276a8818c31d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling streaming-harness-hdrhist v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "a5fcd5cfe3d1fe142d5b5da1d37c2a4ecf2deed6f2d27de5e22276a8818c31d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fcd5cfe3d1fe142d5b5da1d37c2a4ecf2deed6f2d27de5e22276a8818c31d7", kill_on_drop: false }`
[INFO] [stdout] a5fcd5cfe3d1fe142d5b5da1d37c2a4ecf2deed6f2d27de5e22276a8818c31d7
[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=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] 33daa235ef4e0232b0a94c7e81a7881d88f2af71aa19f4cf8052cac1c960e334
[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" "33daa235ef4e0232b0a94c7e81a7881d88f2af71aa19f4cf8052cac1c960e334", kill_on_drop: false }`
[INFO] [stderr]    Compiling drawille v0.2.3
[INFO] [stderr]    Compiling textplots v0.2.3
[INFO] [stderr]    Compiling streaming-harness-hdrhist v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout]   --> examples/hdrhist.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut hist = streaming_harness_hdrhist::HDRHist::new();
[INFO] [stdout]    |                                               ^^^^^^^ could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout]   --> examples/hdrhist.rs:33:48
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut hist2 = streaming_harness_hdrhist::HDRHist::new();
[INFO] [stdout]    |                                                ^^^^^^^ could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout]   --> examples/hdrhist.rs:42:48
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut hist3 = streaming_harness_hdrhist::HDRHist::new();
[INFO] [stdout]    |                                                ^^^^^^^ could not find `HDRHist` in `streaming_harness_hdrhist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `streaming-harness-hdrhist`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33daa235ef4e0232b0a94c7e81a7881d88f2af71aa19f4cf8052cac1c960e334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33daa235ef4e0232b0a94c7e81a7881d88f2af71aa19f4cf8052cac1c960e334", kill_on_drop: false }`
[INFO] [stdout] 33daa235ef4e0232b0a94c7e81a7881d88f2af71aa19f4cf8052cac1c960e334