[INFO] fetching crate libass 0.2.0...
[INFO] checking libass-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate libass 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libass 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-11/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded png v0.16.7
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded libass-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1152e543350cf605ecafe41dba5bb9338e9d9faabe9e385c02a477e81164f9ae
[INFO] running `Command { std: "docker" "start" "-a" "1152e543350cf605ecafe41dba5bb9338e9d9faabe9e385c02a477e81164f9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1152e543350cf605ecafe41dba5bb9338e9d9faabe9e385c02a477e81164f9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1152e543350cf605ecafe41dba5bb9338e9d9faabe9e385c02a477e81164f9ae", kill_on_drop: false }`
[INFO] [stdout] 1152e543350cf605ecafe41dba5bb9338e9d9faabe9e385c02a477e81164f9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 480e4cab1a96ac42064cdd21e99098d8e1dc95d5a932c186983a97cddd76d9d0
[INFO] running `Command { std: "docker" "start" "-a" "480e4cab1a96ac42064cdd21e99098d8e1dc95d5a932c186983a97cddd76d9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling libass-sys v0.1.2
[INFO] [stderr]     Checking libass v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.73s
[INFO] running `Command { std: "docker" "inspect" "480e4cab1a96ac42064cdd21e99098d8e1dc95d5a932c186983a97cddd76d9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480e4cab1a96ac42064cdd21e99098d8e1dc95d5a932c186983a97cddd76d9d0", kill_on_drop: false }`
[INFO] [stdout] 480e4cab1a96ac42064cdd21e99098d8e1dc95d5a932c186983a97cddd76d9d0