[INFO] fetching crate masker 0.0.4...
[INFO] testing masker-0.0.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate masker 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate masker 0.0.4
[INFO] finished tweaking crates.io crate masker 0.0.4
[INFO] tweaked toml for crates.io crate masker 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate masker 0.0.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 436395b32a790682b9a023e9629cfa4dab8ebc008e5c1af04a04c995d84324a8
[INFO] running `Command { std: "docker" "start" "-a" "436395b32a790682b9a023e9629cfa4dab8ebc008e5c1af04a04c995d84324a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436395b32a790682b9a023e9629cfa4dab8ebc008e5c1af04a04c995d84324a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436395b32a790682b9a023e9629cfa4dab8ebc008e5c1af04a04c995d84324a8", kill_on_drop: false }`
[INFO] [stdout] 436395b32a790682b9a023e9629cfa4dab8ebc008e5c1af04a04c995d84324a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9754c1027a7a97616141f16305edd13ee62f0afbea57d2a59be312c3468584ec
[INFO] running `Command { std: "docker" "start" "-a" "9754c1027a7a97616141f16305edd13ee62f0afbea57d2a59be312c3468584ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling masker v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "9754c1027a7a97616141f16305edd13ee62f0afbea57d2a59be312c3468584ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9754c1027a7a97616141f16305edd13ee62f0afbea57d2a59be312c3468584ec", kill_on_drop: false }`
[INFO] [stdout] 9754c1027a7a97616141f16305edd13ee62f0afbea57d2a59be312c3468584ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc07b92323643ef62af54c6a43693bc09028df4e71a6ff02074ff7866a2c87d5
[INFO] running `Command { std: "docker" "start" "-a" "fc07b92323643ef62af54c6a43693bc09028df4e71a6ff02074ff7866a2c87d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling masker v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "fc07b92323643ef62af54c6a43693bc09028df4e71a6ff02074ff7866a2c87d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc07b92323643ef62af54c6a43693bc09028df4e71a6ff02074ff7866a2c87d5", kill_on_drop: false }`
[INFO] [stdout] fc07b92323643ef62af54c6a43693bc09028df4e71a6ff02074ff7866a2c87d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e62cd9ca909d03ca6598cfa5ca19434150d492eb2f1bec9c6f1d1c6489c1438
[INFO] running `Command { std: "docker" "start" "-a" "7e62cd9ca909d03ca6598cfa5ca19434150d492eb2f1bec9c6f1d1c6489c1438", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/masker-5ac53e7f7e665356)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::test_chunk_masker_sanity ... ok
[INFO] [stdout] test test::test_chunk_masker_with_prefixes ... ok
[INFO] [stdout] test test::test_masker_with_prefixes ... ok
[INFO] [stdout] test test::test_masker ... ok
[INFO] [stdout] test test::test_chunk_masker_random_no_prefixes has been running for over 60 seconds
[INFO] [stdout] test test::test_chunk_masker_random_with_prefixes has been running for over 60 seconds
[INFO] [stdout] test test::test_chunk_masker_slabs has been running for over 60 seconds
[INFO] [stdout] test test::test_chunk_masker_slabs_with_prefixes has been running for over 60 seconds
[INFO] [stdout] test test::test_masker_random has been running for over 60 seconds
[INFO] [stdout] test test::test_masker_slabs has been running for over 60 seconds
[INFO] [stdout] test test::test_masker_with_prefixes_random has been running for over 60 seconds
[INFO] [stdout] test test::test_union has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7e62cd9ca909d03ca6598cfa5ca19434150d492eb2f1bec9c6f1d1c6489c1438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e62cd9ca909d03ca6598cfa5ca19434150d492eb2f1bec9c6f1d1c6489c1438", kill_on_drop: false }`
[INFO] [stdout] 7e62cd9ca909d03ca6598cfa5ca19434150d492eb2f1bec9c6f1d1c6489c1438