[INFO] fetching crate input_buffer 0.3.1...
[INFO] testing input_buffer-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate input_buffer 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate input_buffer 0.3.1 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 input_buffer 0.3.1
[INFO] finished tweaking crates.io crate input_buffer 0.3.1
[INFO] tweaked toml for crates.io crate input_buffer 0.3.1 written to /workspace/builds/worker-7/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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7cdcc6ad634c65fa298c18f15383f9a47a3e4a289550cf111c16866d8620eac
[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" "d7cdcc6ad634c65fa298c18f15383f9a47a3e4a289550cf111c16866d8620eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7cdcc6ad634c65fa298c18f15383f9a47a3e4a289550cf111c16866d8620eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cdcc6ad634c65fa298c18f15383f9a47a3e4a289550cf111c16866d8620eac", kill_on_drop: false }`
[INFO] [stdout] d7cdcc6ad634c65fa298c18f15383f9a47a3e4a289550cf111c16866d8620eac
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2896cbcc01353d196f882e869fd4973c8b9b4fcbac3446569e5d5c9849fe9a8f
[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" "2896cbcc01353d196f882e869fd4973c8b9b4fcbac3446569e5d5c9849fe9a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling input_buffer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "2896cbcc01353d196f882e869fd4973c8b9b4fcbac3446569e5d5c9849fe9a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2896cbcc01353d196f882e869fd4973c8b9b4fcbac3446569e5d5c9849fe9a8f", kill_on_drop: false }`
[INFO] [stdout] 2896cbcc01353d196f882e869fd4973c8b9b4fcbac3446569e5d5c9849fe9a8f
[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: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] 7e5a3fc6756922fac3bbb4e34d7977f70d4ae7408e1da8aa8151152adf2c4220
[INFO] running `Command { std: "docker" "start" "-a" "7e5a3fc6756922fac3bbb4e34d7977f70d4ae7408e1da8aa8151152adf2c4220", kill_on_drop: false }`
[INFO] [stderr]    Compiling input_buffer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "7e5a3fc6756922fac3bbb4e34d7977f70d4ae7408e1da8aa8151152adf2c4220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5a3fc6756922fac3bbb4e34d7977f70d4ae7408e1da8aa8151152adf2c4220", kill_on_drop: false }`
[INFO] [stdout] 7e5a3fc6756922fac3bbb4e34d7977f70d4ae7408e1da8aa8151152adf2c4220
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b69ace470cba6949593c7d9f376c87d46105d3c71a4b169622301e36c943193
[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" "6b69ace470cba6949593c7d9f376c87d46105d3c71a4b169622301e36c943193", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/input_buffer-ceeb06b3317bac09
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::limiting ... ok
[INFO] [stdout] test tests::partial_reading ... ok
[INFO] [stdout] test tests::simple_reading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests input_buffer
[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" "6b69ace470cba6949593c7d9f376c87d46105d3c71a4b169622301e36c943193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b69ace470cba6949593c7d9f376c87d46105d3c71a4b169622301e36c943193", kill_on_drop: false }`
[INFO] [stdout] 6b69ace470cba6949593c7d9f376c87d46105d3c71a4b169622301e36c943193