[INFO] fetching crate concat-util 0.2.0...
[INFO] testing concat-util-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate concat-util 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate concat-util 0.2.0 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 concat-util 0.2.0
[INFO] finished tweaking crates.io crate concat-util 0.2.0
[INFO] tweaked toml for crates.io crate concat-util 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate concat-util 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 88af88ac517d367fd8a363bf0d2f300bbb31ccebc0005afb59c5788a66222c52
[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" "88af88ac517d367fd8a363bf0d2f300bbb31ccebc0005afb59c5788a66222c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88af88ac517d367fd8a363bf0d2f300bbb31ccebc0005afb59c5788a66222c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88af88ac517d367fd8a363bf0d2f300bbb31ccebc0005afb59c5788a66222c52", kill_on_drop: false }`
[INFO] [stdout] 88af88ac517d367fd8a363bf0d2f300bbb31ccebc0005afb59c5788a66222c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ab72b71261d9bca4dd25266520ef0b4dc3fb00db7d60e0c8aa673ebde09e9398
[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" "ab72b71261d9bca4dd25266520ef0b4dc3fb00db7d60e0c8aa673ebde09e9398", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling concat-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "ab72b71261d9bca4dd25266520ef0b4dc3fb00db7d60e0c8aa673ebde09e9398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab72b71261d9bca4dd25266520ef0b4dc3fb00db7d60e0c8aa673ebde09e9398", kill_on_drop: false }`
[INFO] [stdout] ab72b71261d9bca4dd25266520ef0b4dc3fb00db7d60e0c8aa673ebde09e9398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] f314047422bc98344b9c328a792adbcac840ecd0fb3dccc525aadbb1aeb78c7e
[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" "f314047422bc98344b9c328a792adbcac840ecd0fb3dccc525aadbb1aeb78c7e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling concat-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "f314047422bc98344b9c328a792adbcac840ecd0fb3dccc525aadbb1aeb78c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f314047422bc98344b9c328a792adbcac840ecd0fb3dccc525aadbb1aeb78c7e", kill_on_drop: false }`
[INFO] [stdout] f314047422bc98344b9c328a792adbcac840ecd0fb3dccc525aadbb1aeb78c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 48b470b32bb9e77e90e5d9364f281ce3c095b5a336d128b13fd58eb3346fae6c
[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" "48b470b32bb9e77e90e5d9364f281ce3c095b5a336d128b13fd58eb3346fae6c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat-996e5fb88eb045d8
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::escaped_concatenation_works ... ok
[INFO] [stdout] test tests::quoted_concatenation_works ... ok
[INFO] [stdout] test tests::delimited_concatenation_works ... ok
[INFO] [stdout] test tests::escaping_escapes_works ... ok
[INFO] [stdout] test tests::normal_concatenation_works ... ok
[INFO] [stdout] test tests::quoted_and_delimited_concatenation_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48b470b32bb9e77e90e5d9364f281ce3c095b5a336d128b13fd58eb3346fae6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b470b32bb9e77e90e5d9364f281ce3c095b5a336d128b13fd58eb3346fae6c", kill_on_drop: false }`
[INFO] [stdout] 48b470b32bb9e77e90e5d9364f281ce3c095b5a336d128b13fd58eb3346fae6c