[INFO] fetching crate ouroboros 0.4.0...
[INFO] testing ouroboros-0.4.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ouroboros 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ouroboros 0.4.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ouroboros 0.4.0
[INFO] finished tweaking crates.io crate ouroboros 0.4.0
[INFO] tweaked toml for crates.io crate ouroboros 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] dbd6e94a8dde4284f8b66e47e90fe055b770f5ae9926bd295b4f59ff60842bbd
[INFO] running `Command { std: "docker" "start" "-a" "dbd6e94a8dde4284f8b66e47e90fe055b770f5ae9926bd295b4f59ff60842bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd6e94a8dde4284f8b66e47e90fe055b770f5ae9926bd295b4f59ff60842bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd6e94a8dde4284f8b66e47e90fe055b770f5ae9926bd295b4f59ff60842bbd", kill_on_drop: false }`
[INFO] [stdout] dbd6e94a8dde4284f8b66e47e90fe055b770f5ae9926bd295b4f59ff60842bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500608e5c8ec33ca2258f9c713ac5be59dcf01f38299e2290c7787daf57b07b1
[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" "500608e5c8ec33ca2258f9c713ac5be59dcf01f38299e2290c7787daf57b07b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling ouroboros_macro v0.4.0
[INFO] [stderr]    Compiling ouroboros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "500608e5c8ec33ca2258f9c713ac5be59dcf01f38299e2290c7787daf57b07b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500608e5c8ec33ca2258f9c713ac5be59dcf01f38299e2290c7787daf57b07b1", kill_on_drop: false }`
[INFO] [stdout] 500608e5c8ec33ca2258f9c713ac5be59dcf01f38299e2290c7787daf57b07b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 476bbdff16de34b7f871a3a4dcab939b07d526983258b9f6c4ac61a0c5fa4e77
[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" "476bbdff16de34b7f871a3a4dcab939b07d526983258b9f6c4ac61a0c5fa4e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling ouroboros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "476bbdff16de34b7f871a3a4dcab939b07d526983258b9f6c4ac61a0c5fa4e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476bbdff16de34b7f871a3a4dcab939b07d526983258b9f6c4ac61a0c5fa4e77", kill_on_drop: false }`
[INFO] [stdout] 476bbdff16de34b7f871a3a4dcab939b07d526983258b9f6c4ac61a0c5fa4e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72a5ec7e9412c772f6af951069c413ab82253b3b69c7c2c0f9dcead6f2d852d5
[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" "72a5ec7e9412c772f6af951069c413ab82253b3b69c7c2c0f9dcead6f2d852d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ouroboros-10eebba5518354be
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ouroboros
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - self_referencing (line 75) ... ok
[INFO] [stdout] test src/lib.rs - self_referencing (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72a5ec7e9412c772f6af951069c413ab82253b3b69c7c2c0f9dcead6f2d852d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a5ec7e9412c772f6af951069c413ab82253b3b69c7c2c0f9dcead6f2d852d5", kill_on_drop: false }`
[INFO] [stdout] 72a5ec7e9412c772f6af951069c413ab82253b3b69c7c2c0f9dcead6f2d852d5
