[INFO] fetching crate proc-concat-bytes 0.1.0...
[INFO] testing proc-concat-bytes-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate proc-concat-bytes 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate proc-concat-bytes 0.1.0 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 proc-concat-bytes 0.1.0
[INFO] finished tweaking crates.io crate proc-concat-bytes 0.1.0
[INFO] tweaked toml for crates.io crate proc-concat-bytes 0.1.0 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3bb4ed11cd8355599ddf4ea90f84283092f96a9a6e6e73f7c178506a8887d37
[INFO] running `Command { std: "docker" "start" "-a" "e3bb4ed11cd8355599ddf4ea90f84283092f96a9a6e6e73f7c178506a8887d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3bb4ed11cd8355599ddf4ea90f84283092f96a9a6e6e73f7c178506a8887d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bb4ed11cd8355599ddf4ea90f84283092f96a9a6e6e73f7c178506a8887d37", kill_on_drop: false }`
[INFO] [stdout] e3bb4ed11cd8355599ddf4ea90f84283092f96a9a6e6e73f7c178506a8887d37
[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] 847f2c7d67b61d768bf1e87c1b7c6e06d8fbdeeded6bd3ca87ed8b323af2ecb5
[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" "847f2c7d67b61d768bf1e87c1b7c6e06d8fbdeeded6bd3ca87ed8b323af2ecb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-concat-bytes-impl v0.1.0
[INFO] [stderr]    Compiling proc-concat-bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "847f2c7d67b61d768bf1e87c1b7c6e06d8fbdeeded6bd3ca87ed8b323af2ecb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847f2c7d67b61d768bf1e87c1b7c6e06d8fbdeeded6bd3ca87ed8b323af2ecb5", kill_on_drop: false }`
[INFO] [stdout] 847f2c7d67b61d768bf1e87c1b7c6e06d8fbdeeded6bd3ca87ed8b323af2ecb5
[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] b772e8e5c6e26678d8c8fd60fa7b89d5b468cbd7166fb3c9203f2d114de9b4d9
[INFO] running `Command { std: "docker" "start" "-a" "b772e8e5c6e26678d8c8fd60fa7b89d5b468cbd7166fb3c9203f2d114de9b4d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-concat-bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b772e8e5c6e26678d8c8fd60fa7b89d5b468cbd7166fb3c9203f2d114de9b4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b772e8e5c6e26678d8c8fd60fa7b89d5b468cbd7166fb3c9203f2d114de9b4d9", kill_on_drop: false }`
[INFO] [stdout] b772e8e5c6e26678d8c8fd60fa7b89d5b468cbd7166fb3c9203f2d114de9b4d9
[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] 97c89377e635900009776017e0d5d22370609cf009cda3e7d47a184b671bfe34
[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" "97c89377e635900009776017e0d5d22370609cf009cda3e7d47a184b671bfe34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proc_concat_bytes-7f97582d70af29d4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests proc-concat-bytes
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97c89377e635900009776017e0d5d22370609cf009cda3e7d47a184b671bfe34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c89377e635900009776017e0d5d22370609cf009cda3e7d47a184b671bfe34", kill_on_drop: false }`
[INFO] [stdout] 97c89377e635900009776017e0d5d22370609cf009cda3e7d47a184b671bfe34