[INFO] fetching crate lib0 0.4.0...
[INFO] testing lib0-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lib0 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lib0 0.4.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib0 0.4.0
[INFO] finished tweaking crates.io crate lib0 0.4.0
[INFO] tweaked toml for crates.io crate lib0 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6236a11e34fff320b7abd4a32fcb3b99b4c947d26d22395bc2afe79a734da7a4
[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" "6236a11e34fff320b7abd4a32fcb3b99b4c947d26d22395bc2afe79a734da7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6236a11e34fff320b7abd4a32fcb3b99b4c947d26d22395bc2afe79a734da7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6236a11e34fff320b7abd4a32fcb3b99b4c947d26d22395bc2afe79a734da7a4", kill_on_drop: false }`
[INFO] [stdout] 6236a11e34fff320b7abd4a32fcb3b99b4c947d26d22395bc2afe79a734da7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] d8a4bfbac00fea676c631dd3c760194ca122abf15b6cb69224a14f3e7f060deb
[INFO] running `Command { std: "docker" "start" "-a" "d8a4bfbac00fea676c631dd3c760194ca122abf15b6cb69224a14f3e7f060deb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib0 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "d8a4bfbac00fea676c631dd3c760194ca122abf15b6cb69224a14f3e7f060deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a4bfbac00fea676c631dd3c760194ca122abf15b6cb69224a14f3e7f060deb", kill_on_drop: false }`
[INFO] [stdout] d8a4bfbac00fea676c631dd3c760194ca122abf15b6cb69224a14f3e7f060deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] 20ec79898c167a6c60253e2bfe17c8292ea04bf45b4c914b48f4790b4a7d7e8a
[INFO] running `Command { std: "docker" "start" "-a" "20ec79898c167a6c60253e2bfe17c8292ea04bf45b4c914b48f4790b4a7d7e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling lib0 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.00s
[INFO] running `Command { std: "docker" "inspect" "20ec79898c167a6c60253e2bfe17c8292ea04bf45b4c914b48f4790b4a7d7e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ec79898c167a6c60253e2bfe17c8292ea04bf45b4c914b48f4790b4a7d7e8a", kill_on_drop: false }`
[INFO] [stdout] 20ec79898c167a6c60253e2bfe17c8292ea04bf45b4c914b48f4790b4a7d7e8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19b2dfe3e9a246ecfed0abb7a36a58fadcc5f7ea2934f0979b5cf1d253e78fb8
[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" "19b2dfe3e9a246ecfed0abb7a36a58fadcc5f7ea2934f0979b5cf1d253e78fb8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lib0-6b322456e6627e78)
[INFO] [stdout] test json_parser::test::json_any_map ... ok
[INFO] [stderr]      Running tests/encoding_test.rs (/opt/rustwide/target/debug/deps/encoding_test-746b4f5b6096dcdc)
[INFO] [stdout] test json_parser::test::json_any_number ... ok
[INFO] [stdout] test json_parser::test::json_any_bool ... ok
[INFO] [stdout] test json_parser::test::json_any_array ... ok
[INFO] [stdout] test json_parser::test::json_any_null ... ok
[INFO] [stdout] test json_parser::test::json_any_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test encoding_prop ... ok
[INFO] [stdout] test encoding_any_prop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.67s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19b2dfe3e9a246ecfed0abb7a36a58fadcc5f7ea2934f0979b5cf1d253e78fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b2dfe3e9a246ecfed0abb7a36a58fadcc5f7ea2934f0979b5cf1d253e78fb8", kill_on_drop: false }`
[INFO] [stdout] 19b2dfe3e9a246ecfed0abb7a36a58fadcc5f7ea2934f0979b5cf1d253e78fb8