[INFO] fetching crate xtools 0.0.0...
[INFO] testing xtools-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xtools 0.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate xtools 0.0.0 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] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking crates.io crate xtools 0.0.0
[INFO] finished tweaking crates.io crate xtools 0.0.0
[INFO] tweaked toml for crates.io crate xtools 0.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate xtools 0.0.0 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9235855a27b75f797ad4de2765896eb3d68dca3ef8588a6debbe72bf74dd5fb9
[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" "9235855a27b75f797ad4de2765896eb3d68dca3ef8588a6debbe72bf74dd5fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9235855a27b75f797ad4de2765896eb3d68dca3ef8588a6debbe72bf74dd5fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9235855a27b75f797ad4de2765896eb3d68dca3ef8588a6debbe72bf74dd5fb9", kill_on_drop: false }`
[INFO] [stdout] 9235855a27b75f797ad4de2765896eb3d68dca3ef8588a6debbe72bf74dd5fb9
[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=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] d2777782771c7645851ec03f7cc2637a98008eda1fb985b45faea84bf4ef8cf1
[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" "d2777782771c7645851ec03f7cc2637a98008eda1fb985b45faea84bf4ef8cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtools v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "d2777782771c7645851ec03f7cc2637a98008eda1fb985b45faea84bf4ef8cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2777782771c7645851ec03f7cc2637a98008eda1fb985b45faea84bf4ef8cf1", kill_on_drop: false }`
[INFO] [stdout] d2777782771c7645851ec03f7cc2637a98008eda1fb985b45faea84bf4ef8cf1
[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=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] 515932fdab8db772e80491a761e8c4934dab75ba2da7cb7901abf753dc151ead
[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" "515932fdab8db772e80491a761e8c4934dab75ba2da7cb7901abf753dc151ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling xtools v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "515932fdab8db772e80491a761e8c4934dab75ba2da7cb7901abf753dc151ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515932fdab8db772e80491a761e8c4934dab75ba2da7cb7901abf753dc151ead", kill_on_drop: false }`
[INFO] [stdout] 515932fdab8db772e80491a761e8c4934dab75ba2da7cb7901abf753dc151ead
[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=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] 102d446914f0bacc9d5b38bff08332c7ba142b5410283932817403b543cf4f92
[INFO] running `Command { std: "docker" "start" "-a" "102d446914f0bacc9d5b38bff08332c7ba142b5410283932817403b543cf4f92", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xtools-3dbcce6335508e9f)
[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" "102d446914f0bacc9d5b38bff08332c7ba142b5410283932817403b543cf4f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102d446914f0bacc9d5b38bff08332c7ba142b5410283932817403b543cf4f92", kill_on_drop: false }`
[INFO] [stdout] 102d446914f0bacc9d5b38bff08332c7ba142b5410283932817403b543cf4f92