[INFO] fetching crate xref 0.1.1...
[INFO] testing xref-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate xref 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xref 0.1.1 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 xref 0.1.1
[INFO] finished tweaking crates.io crate xref 0.1.1
[INFO] tweaked toml for crates.io crate xref 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] a051bbe54bd2748a99c01c03ab41a994620809aa805d7c253dbbd71c7f4a4b14
[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" "a051bbe54bd2748a99c01c03ab41a994620809aa805d7c253dbbd71c7f4a4b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a051bbe54bd2748a99c01c03ab41a994620809aa805d7c253dbbd71c7f4a4b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a051bbe54bd2748a99c01c03ab41a994620809aa805d7c253dbbd71c7f4a4b14", kill_on_drop: false }`
[INFO] [stdout] a051bbe54bd2748a99c01c03ab41a994620809aa805d7c253dbbd71c7f4a4b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c1633879bbf05c2ae1093ed3fefe1faea6cfc0475de3e9a2d7106360a2ba85ba
[INFO] running `Command { std: "docker" "start" "-a" "c1633879bbf05c2ae1093ed3fefe1faea6cfc0475de3e9a2d7106360a2ba85ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling xref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "c1633879bbf05c2ae1093ed3fefe1faea6cfc0475de3e9a2d7106360a2ba85ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1633879bbf05c2ae1093ed3fefe1faea6cfc0475de3e9a2d7106360a2ba85ba", kill_on_drop: false }`
[INFO] [stdout] c1633879bbf05c2ae1093ed3fefe1faea6cfc0475de3e9a2d7106360a2ba85ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3ab9d7d12ea6f60ca1f11a02fbde73d4e3831f5728b5dbc28cd5c5e4a55a4a6
[INFO] running `Command { std: "docker" "start" "-a" "a3ab9d7d12ea6f60ca1f11a02fbde73d4e3831f5728b5dbc28cd5c5e4a55a4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling xref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a3ab9d7d12ea6f60ca1f11a02fbde73d4e3831f5728b5dbc28cd5c5e4a55a4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ab9d7d12ea6f60ca1f11a02fbde73d4e3831f5728b5dbc28cd5c5e4a55a4a6", kill_on_drop: false }`
[INFO] [stdout] a3ab9d7d12ea6f60ca1f11a02fbde73d4e3831f5728b5dbc28cd5c5e4a55a4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d568bd18a62fc3c8e36816b1735d79171966e2e3163255a3347c56fb54137b0d
[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" "d568bd18a62fc3c8e36816b1735d79171966e2e3163255a3347c56fb54137b0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xref-a5474ca01690bc20)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::into_owned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xref
[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" "d568bd18a62fc3c8e36816b1735d79171966e2e3163255a3347c56fb54137b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d568bd18a62fc3c8e36816b1735d79171966e2e3163255a3347c56fb54137b0d", kill_on_drop: false }`
[INFO] [stdout] d568bd18a62fc3c8e36816b1735d79171966e2e3163255a3347c56fb54137b0d