[INFO] fetching crate unique_id 0.1.3...
[INFO] testing unique_id-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unique_id 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unique_id 0.1.3 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 unique_id 0.1.3
[INFO] finished tweaking crates.io crate unique_id 0.1.3
[INFO] tweaked toml for crates.io crate unique_id 0.1.3 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] ca50a2395b429788553cfd6d9645fecefa8f6d032748c036cee9035eca968292
[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" "ca50a2395b429788553cfd6d9645fecefa8f6d032748c036cee9035eca968292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca50a2395b429788553cfd6d9645fecefa8f6d032748c036cee9035eca968292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca50a2395b429788553cfd6d9645fecefa8f6d032748c036cee9035eca968292", kill_on_drop: false }`
[INFO] [stdout] ca50a2395b429788553cfd6d9645fecefa8f6d032748c036cee9035eca968292
[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] [stdout] df2ac5d4163c8447eeed7385332d71f7e0162b9e696f3cac5df03203815e89a7
[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" "df2ac5d4163c8447eeed7385332d71f7e0162b9e696f3cac5df03203815e89a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic_refcell v0.1.6
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling blob-uuid v0.4.0
[INFO] [stderr]    Compiling unique_id v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "df2ac5d4163c8447eeed7385332d71f7e0162b9e696f3cac5df03203815e89a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2ac5d4163c8447eeed7385332d71f7e0162b9e696f3cac5df03203815e89a7", kill_on_drop: false }`
[INFO] [stdout] df2ac5d4163c8447eeed7385332d71f7e0162b9e696f3cac5df03203815e89a7
[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] 595e2c047936889860319cc457595e262123e53e2fab03450bc6602dee8a9b68
[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" "595e2c047936889860319cc457595e262123e53e2fab03450bc6602dee8a9b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique_id v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "595e2c047936889860319cc457595e262123e53e2fab03450bc6602dee8a9b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595e2c047936889860319cc457595e262123e53e2fab03450bc6602dee8a9b68", kill_on_drop: false }`
[INFO] [stdout] 595e2c047936889860319cc457595e262123e53e2fab03450bc6602dee8a9b68
[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", kill_on_drop: false }`
[INFO] [stdout] ecaaa9141e5d128560d27d6ef5726b7f3d4bc4c3ed42393f29172b94c957d34f
[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" "ecaaa9141e5d128560d27d6ef5726b7f3d4bc4c3ed42393f29172b94c957d34f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unique_id-0ea0bbb2a78dc820
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unique-68e8e2507b6ce966
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_sequence_uniqueness ... ok
[INFO] [stdout] test test_random_uniqueness ... ok
[INFO] [stderr]    Doc-tests unique_id
[INFO] [stdout] test test_string_uniqueness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ignored
[INFO] [stdout] test src/sequence.rs - sequence (line 10) ... ok
[INFO] [stdout] test src/random.rs - random (line 9) ... ok
[INFO] [stdout] test src/string.rs - string (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecaaa9141e5d128560d27d6ef5726b7f3d4bc4c3ed42393f29172b94c957d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaaa9141e5d128560d27d6ef5726b7f3d4bc4c3ed42393f29172b94c957d34f", kill_on_drop: false }`
[INFO] [stdout] ecaaa9141e5d128560d27d6ef5726b7f3d4bc4c3ed42393f29172b94c957d34f