[INFO] fetching crate proc-concat-bytes-impl 0.1.0...
[INFO] testing proc-concat-bytes-impl-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate proc-concat-bytes-impl 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate proc-concat-bytes-impl 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-concat-bytes-impl 0.1.0
[INFO] finished tweaking crates.io crate proc-concat-bytes-impl 0.1.0
[INFO] tweaked toml for crates.io crate proc-concat-bytes-impl 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56a3ac8455a67c4565c0fefc1fda49f11b4188a260caae48bc3f9b1b812d279a
[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" "56a3ac8455a67c4565c0fefc1fda49f11b4188a260caae48bc3f9b1b812d279a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a3ac8455a67c4565c0fefc1fda49f11b4188a260caae48bc3f9b1b812d279a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a3ac8455a67c4565c0fefc1fda49f11b4188a260caae48bc3f9b1b812d279a", kill_on_drop: false }`
[INFO] [stdout] 56a3ac8455a67c4565c0fefc1fda49f11b4188a260caae48bc3f9b1b812d279a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1a9b11b99d4b433fa6559f1b1b58e94f429fbf5a709d9baa0510a74347460a27
[INFO] running `Command { std: "docker" "start" "-a" "1a9b11b99d4b433fa6559f1b1b58e94f429fbf5a709d9baa0510a74347460a27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proc-concat-bytes-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "1a9b11b99d4b433fa6559f1b1b58e94f429fbf5a709d9baa0510a74347460a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9b11b99d4b433fa6559f1b1b58e94f429fbf5a709d9baa0510a74347460a27", kill_on_drop: false }`
[INFO] [stdout] 1a9b11b99d4b433fa6559f1b1b58e94f429fbf5a709d9baa0510a74347460a27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9a44b7d5b7b6ab4d0fe56a9136433878ecd4b2cfa9af3b51490f095863374d
[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" "1b9a44b7d5b7b6ab4d0fe56a9136433878ecd4b2cfa9af3b51490f095863374d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-concat-bytes-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1b9a44b7d5b7b6ab4d0fe56a9136433878ecd4b2cfa9af3b51490f095863374d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9a44b7d5b7b6ab4d0fe56a9136433878ecd4b2cfa9af3b51490f095863374d", kill_on_drop: false }`
[INFO] [stdout] 1b9a44b7d5b7b6ab4d0fe56a9136433878ecd4b2cfa9af3b51490f095863374d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 59b92e4a5d21db2e046d9b04a7ee372695249ed4c6dffff4bbf8aa64c2c6d8d7
[INFO] running `Command { std: "docker" "start" "-a" "59b92e4a5d21db2e046d9b04a7ee372695249ed4c6dffff4bbf8aa64c2c6d8d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proc_concat_bytes_impl-e2a54e0f56db6a36
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proc-concat-bytes-impl
[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" "59b92e4a5d21db2e046d9b04a7ee372695249ed4c6dffff4bbf8aa64c2c6d8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b92e4a5d21db2e046d9b04a7ee372695249ed4c6dffff4bbf8aa64c2c6d8d7", kill_on_drop: false }`
[INFO] [stdout] 59b92e4a5d21db2e046d9b04a7ee372695249ed4c6dffff4bbf8aa64c2c6d8d7