[INFO] fetching crate cirtrace 0.1.10...
[INFO] testing cirtrace-0.1.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cirtrace 0.1.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cirtrace 0.1.10 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 cirtrace 0.1.10
[INFO] finished tweaking crates.io crate cirtrace 0.1.10
[INFO] tweaked toml for crates.io crate cirtrace 0.1.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cirtrace 0.1.10 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libssh2-sys v0.2.13
[INFO] [stderr]   Downloaded ssh2 v0.5.0
[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] 1c535b4add751a2846a557fc2c155e4159f68a1e69297c6c74928b602d093b50
[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" "1c535b4add751a2846a557fc2c155e4159f68a1e69297c6c74928b602d093b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c535b4add751a2846a557fc2c155e4159f68a1e69297c6c74928b602d093b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c535b4add751a2846a557fc2c155e4159f68a1e69297c6c74928b602d093b50", kill_on_drop: false }`
[INFO] [stdout] 1c535b4add751a2846a557fc2c155e4159f68a1e69297c6c74928b602d093b50
[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] bfc2302811ec540bb139558a745733f4800a5edcfdff1feb8d245b03a463f0a7
[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" "bfc2302811ec540bb139558a745733f4800a5edcfdff1feb8d245b03a463f0a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling ssh2 v0.5.0
[INFO] [stderr]    Compiling cirtrace v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "bfc2302811ec540bb139558a745733f4800a5edcfdff1feb8d245b03a463f0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc2302811ec540bb139558a745733f4800a5edcfdff1feb8d245b03a463f0a7", kill_on_drop: false }`
[INFO] [stdout] bfc2302811ec540bb139558a745733f4800a5edcfdff1feb8d245b03a463f0a7
[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] [stdout] 2bd752dbd9fbe420e30e8455b38d8375f39c7d413bb32036bbf320d00b6fa5da
[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" "2bd752dbd9fbe420e30e8455b38d8375f39c7d413bb32036bbf320d00b6fa5da", kill_on_drop: false }`
[INFO] [stderr]    Compiling cirtrace v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "2bd752dbd9fbe420e30e8455b38d8375f39c7d413bb32036bbf320d00b6fa5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd752dbd9fbe420e30e8455b38d8375f39c7d413bb32036bbf320d00b6fa5da", kill_on_drop: false }`
[INFO] [stdout] 2bd752dbd9fbe420e30e8455b38d8375f39c7d413bb32036bbf320d00b6fa5da
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f25e9e0143f3e93c3c2aa2b84c93c00574345b0df61b5f195ccf53a0669d3a7
[INFO] running `Command { std: "docker" "start" "-a" "6f25e9e0143f3e93c3c2aa2b84c93c00574345b0df61b5f195ccf53a0669d3a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cirtrace-392739beece68d70)
[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" "6f25e9e0143f3e93c3c2aa2b84c93c00574345b0df61b5f195ccf53a0669d3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f25e9e0143f3e93c3c2aa2b84c93c00574345b0df61b5f195ccf53a0669d3a7", kill_on_drop: false }`
[INFO] [stdout] 6f25e9e0143f3e93c3c2aa2b84c93c00574345b0df61b5f195ccf53a0669d3a7