[INFO] fetching crate rlibc 1.0.0...
[INFO] testing rlibc-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rlibc 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rlibc 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlibc 1.0.0
[INFO] finished tweaking crates.io crate rlibc 1.0.0
[INFO] tweaked toml for crates.io crate rlibc 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] d4bfe8d00cb8e06775df690f20249cc758ec695dce7caf4e746154cce6c0c88d
[INFO] running `Command { std: "docker" "start" "-a" "d4bfe8d00cb8e06775df690f20249cc758ec695dce7caf4e746154cce6c0c88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bfe8d00cb8e06775df690f20249cc758ec695dce7caf4e746154cce6c0c88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bfe8d00cb8e06775df690f20249cc758ec695dce7caf4e746154cce6c0c88d", kill_on_drop: false }`
[INFO] [stdout] d4bfe8d00cb8e06775df690f20249cc758ec695dce7caf4e746154cce6c0c88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 407390681dbf10d964fb1713eb73edaefe198fc73f8aa1e88cb93c2447998cb8
[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" "407390681dbf10d964fb1713eb73edaefe198fc73f8aa1e88cb93c2447998cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "407390681dbf10d964fb1713eb73edaefe198fc73f8aa1e88cb93c2447998cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407390681dbf10d964fb1713eb73edaefe198fc73f8aa1e88cb93c2447998cb8", kill_on_drop: false }`
[INFO] [stdout] 407390681dbf10d964fb1713eb73edaefe198fc73f8aa1e88cb93c2447998cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 0d3995a6faf23f30d1982fa9bdea3c1d9bb678a680ea5dc7fc09d4b28184bb93
[INFO] running `Command { std: "docker" "start" "-a" "0d3995a6faf23f30d1982fa9bdea3c1d9bb678a680ea5dc7fc09d4b28184bb93", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "0d3995a6faf23f30d1982fa9bdea3c1d9bb678a680ea5dc7fc09d4b28184bb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3995a6faf23f30d1982fa9bdea3c1d9bb678a680ea5dc7fc09d4b28184bb93", kill_on_drop: false }`
[INFO] [stdout] 0d3995a6faf23f30d1982fa9bdea3c1d9bb678a680ea5dc7fc09d4b28184bb93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 465da4fd82daa39d15c0409ee6e23c91b0061d0dbfd073180977d56abfb7c147
[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" "465da4fd82daa39d15c0409ee6e23c91b0061d0dbfd073180977d56abfb7c147", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlibc-66f3ecac93b2e7d2
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::memmove_overlapping ... ok
[INFO] [stdout] test test::memcpy_and_memcmp_arrays ... ok
[INFO] [stdout] test test::memcmp_strings ... ok
[INFO] [stdout] test test::memcmp_single_byte_pointers ... ok
[INFO] [stdout] test test::memset_array ... ok
[INFO] [stdout] test test::memset_single_byte_pointers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlibc
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "465da4fd82daa39d15c0409ee6e23c91b0061d0dbfd073180977d56abfb7c147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465da4fd82daa39d15c0409ee6e23c91b0061d0dbfd073180977d56abfb7c147", kill_on_drop: false }`
[INFO] [stdout] 465da4fd82daa39d15c0409ee6e23c91b0061d0dbfd073180977d56abfb7c147