[INFO] fetching crate ferrischat_snowflake_generator 1.0.1...
[INFO] testing ferrischat_snowflake_generator-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ferrischat_snowflake_generator 1.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ferrischat_snowflake_generator 1.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrischat_snowflake_generator 1.0.1
[INFO] finished tweaking crates.io crate ferrischat_snowflake_generator 1.0.1
[INFO] tweaked toml for crates.io crate ferrischat_snowflake_generator 1.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ebab4f6a6b03caf8dc044edb452199cf81e3c5d2c045ee7adb421ea80b1ee15
[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" "9ebab4f6a6b03caf8dc044edb452199cf81e3c5d2c045ee7adb421ea80b1ee15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ebab4f6a6b03caf8dc044edb452199cf81e3c5d2c045ee7adb421ea80b1ee15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ebab4f6a6b03caf8dc044edb452199cf81e3c5d2c045ee7adb421ea80b1ee15", kill_on_drop: false }`
[INFO] [stdout] 9ebab4f6a6b03caf8dc044edb452199cf81e3c5d2c045ee7adb421ea80b1ee15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c115e586ffedde456d6b2c223e05bff14f72a85ff90934c18c88c61705afd43f
[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" "c115e586ffedde456d6b2c223e05bff14f72a85ff90934c18c88c61705afd43f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrischat_snowflake_generator v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c115e586ffedde456d6b2c223e05bff14f72a85ff90934c18c88c61705afd43f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c115e586ffedde456d6b2c223e05bff14f72a85ff90934c18c88c61705afd43f", kill_on_drop: false }`
[INFO] [stdout] c115e586ffedde456d6b2c223e05bff14f72a85ff90934c18c88c61705afd43f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4997e7cae805eee6ad9f8426c10c20468dede14fd4969194da8991120f44f398
[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" "4997e7cae805eee6ad9f8426c10c20468dede14fd4969194da8991120f44f398", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrischat_snowflake_generator v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "4997e7cae805eee6ad9f8426c10c20468dede14fd4969194da8991120f44f398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4997e7cae805eee6ad9f8426c10c20468dede14fd4969194da8991120f44f398", kill_on_drop: false }`
[INFO] [stdout] 4997e7cae805eee6ad9f8426c10c20468dede14fd4969194da8991120f44f398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] e3dc9c5e10b8c05baf7ab225e3bda389c42217d392ac99085510682a5fd72872
[INFO] running `Command { std: "docker" "start" "-a" "e3dc9c5e10b8c05baf7ab225e3bda389c42217d392ac99085510682a5fd72872", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferrischat_snowflake_generator-3ba464495b3747be)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::unequal_snowflakes ... ok
[INFO] [stderr]    Doc-tests ferrischat_snowflake_generator
[INFO] [stdout] test tests::all_unequal_snowflakes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - generate_snowflake (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3dc9c5e10b8c05baf7ab225e3bda389c42217d392ac99085510682a5fd72872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dc9c5e10b8c05baf7ab225e3bda389c42217d392ac99085510682a5fd72872", kill_on_drop: false }`
[INFO] [stdout] e3dc9c5e10b8c05baf7ab225e3bda389c42217d392ac99085510682a5fd72872