[INFO] fetching crate xplr 0.14.7...
[INFO] testing xplr-0.14.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xplr 0.14.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xplr 0.14.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate xplr 0.14.7
[INFO] finished tweaking crates.io crate xplr 0.14.7
[INFO] tweaked toml for crates.io crate xplr 0.14.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate xplr 0.14.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 224c21282c8c4aa9b2ebea58aa40705f1f5378310155ae47caa6b89295b3ec3f
[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" "224c21282c8c4aa9b2ebea58aa40705f1f5378310155ae47caa6b89295b3ec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224c21282c8c4aa9b2ebea58aa40705f1f5378310155ae47caa6b89295b3ec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224c21282c8c4aa9b2ebea58aa40705f1f5378310155ae47caa6b89295b3ec3f", kill_on_drop: false }`
[INFO] [stdout] 224c21282c8c4aa9b2ebea58aa40705f1f5378310155ae47caa6b89295b3ec3f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e97701a08d015b7c015df3bc8d051aa6c1103a215c6464b86954dde34b149eb
[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" "0e97701a08d015b7c015df3bc8d051aa6c1103a215c6464b86954dde34b149eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling natord v1.0.9
[INFO] [stderr]    Compiling lua-src v543.0.0
[INFO] [stderr]    Compiling luajit-src v210.2.0+resty5f13855
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling mlua v0.6.2
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tui v0.16.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling ansi-to-tui v0.4.0
[INFO] [stderr]    Compiling xplr v0.14.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "0e97701a08d015b7c015df3bc8d051aa6c1103a215c6464b86954dde34b149eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e97701a08d015b7c015df3bc8d051aa6c1103a215c6464b86954dde34b149eb", kill_on_drop: false }`
[INFO] [stdout] 0e97701a08d015b7c015df3bc8d051aa6c1103a215c6464b86954dde34b149eb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] d77eb7f014072d0b9615f958148c115a4b5effc27b52af56ac1c23e824a94ad0
[INFO] running `Command { std: "docker" "start" "-a" "d77eb7f014072d0b9615f958148c115a4b5effc27b52af56ac1c23e824a94ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling assert_cmd v2.0.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling xplr v0.14.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.72s
[INFO] running `Command { std: "docker" "inspect" "d77eb7f014072d0b9615f958148c115a4b5effc27b52af56ac1c23e824a94ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77eb7f014072d0b9615f958148c115a4b5effc27b52af56ac1c23e824a94ad0", kill_on_drop: false }`
[INFO] [stdout] d77eb7f014072d0b9615f958148c115a4b5effc27b52af56ac1c23e824a94ad0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 415eef1ef3df1bae07186d5488d9ae100ddabefdd4e75c38ebe6aff4d58f92de
[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" "415eef1ef3df1bae07186d5488d9ae100ddabefdd4e75c38ebe6aff4d58f92de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xplr-dac8631fd57a4bc6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xplr-2b4e6e2e68e4db92)
[INFO] [stdout] test lua::test::test_compatibility ... ok
[INFO] [stdout] test ui::test::test_extend_style ... ok
[INFO] [stdout] test lua::test::test_upgrade_guide_has_latest_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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 tests::test_cli_help ... ok
[INFO] [stderr]    Doc-tests xplr
[INFO] [stdout] test tests::test_cli_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "415eef1ef3df1bae07186d5488d9ae100ddabefdd4e75c38ebe6aff4d58f92de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415eef1ef3df1bae07186d5488d9ae100ddabefdd4e75c38ebe6aff4d58f92de", kill_on_drop: false }`
[INFO] [stdout] 415eef1ef3df1bae07186d5488d9ae100ddabefdd4e75c38ebe6aff4d58f92de