[INFO] fetching crate libass 0.2.0...
[INFO] testing libass-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate libass 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libass 0.2.0 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 libass 0.2.0
[INFO] finished tweaking crates.io crate libass 0.2.0
[INFO] tweaked toml for crates.io crate libass 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libass 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded png v0.16.7
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded libass-sys v0.1.2
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] 74b25f9998fb2a248841cc6c528b6c89619442759f8af063dc65763a749362b0
[INFO] running `Command { std: "docker" "start" "-a" "74b25f9998fb2a248841cc6c528b6c89619442759f8af063dc65763a749362b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b25f9998fb2a248841cc6c528b6c89619442759f8af063dc65763a749362b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b25f9998fb2a248841cc6c528b6c89619442759f8af063dc65763a749362b0", kill_on_drop: false }`
[INFO] [stdout] 74b25f9998fb2a248841cc6c528b6c89619442759f8af063dc65763a749362b0
[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" "+beta-2021-09-08" "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] 61c3e2480a83e252a6f7cbbd6359fc05bfe2178bfe12db00c380cbee77d5ec12
[INFO] running `Command { std: "docker" "start" "-a" "61c3e2480a83e252a6f7cbbd6359fc05bfe2178bfe12db00c380cbee77d5ec12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling libass-sys v0.1.2
[INFO] [stderr]    Compiling libass v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `Command { std: "docker" "inspect" "61c3e2480a83e252a6f7cbbd6359fc05bfe2178bfe12db00c380cbee77d5ec12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c3e2480a83e252a6f7cbbd6359fc05bfe2178bfe12db00c380cbee77d5ec12", kill_on_drop: false }`
[INFO] [stdout] 61c3e2480a83e252a6f7cbbd6359fc05bfe2178bfe12db00c380cbee77d5ec12
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b36353f186e65124e0cb93151863507819ed580dd5ccb735fba836f354bf2195
[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" "b36353f186e65124e0cb93151863507819ed580dd5ccb735fba836f354bf2195", kill_on_drop: false }`
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling libass v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "b36353f186e65124e0cb93151863507819ed580dd5ccb735fba836f354bf2195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36353f186e65124e0cb93151863507819ed580dd5ccb735fba836f354bf2195", kill_on_drop: false }`
[INFO] [stdout] b36353f186e65124e0cb93151863507819ed580dd5ccb735fba836f354bf2195
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4326189cf6d27b87f5f4c711ccd0424dbae311a49cd052dae5e5d1b2e3fa4829
[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" "4326189cf6d27b87f5f4c711ccd0424dbae311a49cd052dae5e5d1b2e3fa4829", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libass-af26812e19b31637)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libass
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "4326189cf6d27b87f5f4c711ccd0424dbae311a49cd052dae5e5d1b2e3fa4829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4326189cf6d27b87f5f4c711ccd0424dbae311a49cd052dae5e5d1b2e3fa4829", kill_on_drop: false }`
[INFO] [stdout] 4326189cf6d27b87f5f4c711ccd0424dbae311a49cd052dae5e5d1b2e3fa4829