[INFO] fetching crate xbgdump 0.1.5...
[INFO] testing xbgdump-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xbgdump 0.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate xbgdump 0.1.5 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] started tweaking crates.io crate xbgdump 0.1.5
[INFO] finished tweaking crates.io crate xbgdump 0.1.5
[INFO] tweaked toml for crates.io crate xbgdump 0.1.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate xbgdump 0.1.5 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] db42145fad08f3e0860c10509dd2945b28276902e13bf89750fcbc312975c667
[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" "db42145fad08f3e0860c10509dd2945b28276902e13bf89750fcbc312975c667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db42145fad08f3e0860c10509dd2945b28276902e13bf89750fcbc312975c667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db42145fad08f3e0860c10509dd2945b28276902e13bf89750fcbc312975c667", kill_on_drop: false }`
[INFO] [stdout] db42145fad08f3e0860c10509dd2945b28276902e13bf89750fcbc312975c667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 68c1da9df6c4b08cadb6b125eb0acfb81201ba7be16fa52e388f7f1502f46cd1
[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" "68c1da9df6c4b08cadb6b125eb0acfb81201ba7be16fa52e388f7f1502f46cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling x11rb v0.8.1
[INFO] [stderr]    Compiling xbgdump v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.15s
[INFO] running `Command { std: "docker" "inspect" "68c1da9df6c4b08cadb6b125eb0acfb81201ba7be16fa52e388f7f1502f46cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c1da9df6c4b08cadb6b125eb0acfb81201ba7be16fa52e388f7f1502f46cd1", kill_on_drop: false }`
[INFO] [stdout] 68c1da9df6c4b08cadb6b125eb0acfb81201ba7be16fa52e388f7f1502f46cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] fecf2724bea8bd2d304631762a5ce45d3006652d4caae31eda6bc565948508d5
[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" "fecf2724bea8bd2d304631762a5ce45d3006652d4caae31eda6bc565948508d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling xbgdump v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "fecf2724bea8bd2d304631762a5ce45d3006652d4caae31eda6bc565948508d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecf2724bea8bd2d304631762a5ce45d3006652d4caae31eda6bc565948508d5", kill_on_drop: false }`
[INFO] [stdout] fecf2724bea8bd2d304631762a5ce45d3006652d4caae31eda6bc565948508d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f615a998d488e2664a19071a2fb8fd97882be713b1764996d80a609fa396cd31
[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" "f615a998d488e2664a19071a2fb8fd97882be713b1764996d80a609fa396cd31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xbgdump-9f16a7bd185ae2a5)
[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" "f615a998d488e2664a19071a2fb8fd97882be713b1764996d80a609fa396cd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f615a998d488e2664a19071a2fb8fd97882be713b1764996d80a609fa396cd31", kill_on_drop: false }`
[INFO] [stdout] f615a998d488e2664a19071a2fb8fd97882be713b1764996d80a609fa396cd31