[INFO] fetching crate unicode-joining-type 0.4.0...
[INFO] testing unicode-joining-type-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate unicode-joining-type 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unicode-joining-type 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicode-joining-type 0.4.0
[INFO] finished tweaking crates.io crate unicode-joining-type 0.4.0
[INFO] tweaked toml for crates.io crate unicode-joining-type 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406f2f56899b9a42233c1f043493f6d9c81564b1f0b429c37d39631eb8ba450a
[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" "406f2f56899b9a42233c1f043493f6d9c81564b1f0b429c37d39631eb8ba450a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406f2f56899b9a42233c1f043493f6d9c81564b1f0b429c37d39631eb8ba450a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406f2f56899b9a42233c1f043493f6d9c81564b1f0b429c37d39631eb8ba450a", kill_on_drop: false }`
[INFO] [stdout] 406f2f56899b9a42233c1f043493f6d9c81564b1f0b429c37d39631eb8ba450a
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7eb289aababbb0a9ceef764c2b19ecbae6e493a445161b496d7d2f51a9de4fe
[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" "a7eb289aababbb0a9ceef764c2b19ecbae6e493a445161b496d7d2f51a9de4fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-joining-type v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "a7eb289aababbb0a9ceef764c2b19ecbae6e493a445161b496d7d2f51a9de4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7eb289aababbb0a9ceef764c2b19ecbae6e493a445161b496d7d2f51a9de4fe", kill_on_drop: false }`
[INFO] [stdout] a7eb289aababbb0a9ceef764c2b19ecbae6e493a445161b496d7d2f51a9de4fe
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f70ed97b99ccd13ee9932c5f985c79ef5c09a24377e9b18b56fea0bafe94c84
[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" "3f70ed97b99ccd13ee9932c5f985c79ef5c09a24377e9b18b56fea0bafe94c84", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-joining-type v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "3f70ed97b99ccd13ee9932c5f985c79ef5c09a24377e9b18b56fea0bafe94c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f70ed97b99ccd13ee9932c5f985c79ef5c09a24377e9b18b56fea0bafe94c84", kill_on_drop: false }`
[INFO] [stdout] 3f70ed97b99ccd13ee9932c5f985c79ef5c09a24377e9b18b56fea0bafe94c84
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9526bcb77db9a1cdd5ffb61f92bbc1921ff22c20c0e5b59a8d463f30ea0120e6
[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" "9526bcb77db9a1cdd5ffb61f92bbc1921ff22c20c0e5b59a8d463f30ea0120e6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicode_joining_type-7903e0db3178fc6a
[INFO] [stdout] test test::test_get_joining_group ... ok
[INFO] [stderr]    Doc-tests unicode-joining-type
[INFO] [stdout] test test::test_get_joining_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/joining_type.rs - joining_type::get_joining_type (line 10) ... ok
[INFO] [stdout] test src/joining_group.rs - joining_group::get_joining_group (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9526bcb77db9a1cdd5ffb61f92bbc1921ff22c20c0e5b59a8d463f30ea0120e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9526bcb77db9a1cdd5ffb61f92bbc1921ff22c20c0e5b59a8d463f30ea0120e6", kill_on_drop: false }`
[INFO] [stdout] 9526bcb77db9a1cdd5ffb61f92bbc1921ff22c20c0e5b59a8d463f30ea0120e6