[INFO] fetching crate concat-string 1.0.1...
[INFO] testing concat-string-1.0.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate concat-string 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate concat-string 1.0.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat-string 1.0.1
[INFO] finished tweaking crates.io crate concat-string 1.0.1
[INFO] tweaked toml for crates.io crate concat-string 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e04bb11c31d1689253e70d55bee9522e8ee515b9b29a1f937b2950e1a1b50c
[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" "97e04bb11c31d1689253e70d55bee9522e8ee515b9b29a1f937b2950e1a1b50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e04bb11c31d1689253e70d55bee9522e8ee515b9b29a1f937b2950e1a1b50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e04bb11c31d1689253e70d55bee9522e8ee515b9b29a1f937b2950e1a1b50c", kill_on_drop: false }`
[INFO] [stdout] 97e04bb11c31d1689253e70d55bee9522e8ee515b9b29a1f937b2950e1a1b50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b633385ca8c3556107bb19a07d1ea47c186e4b53a069b9878ad544af0c7a7a
[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" "48b633385ca8c3556107bb19a07d1ea47c186e4b53a069b9878ad544af0c7a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-string v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "48b633385ca8c3556107bb19a07d1ea47c186e4b53a069b9878ad544af0c7a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b633385ca8c3556107bb19a07d1ea47c186e4b53a069b9878ad544af0c7a7a", kill_on_drop: false }`
[INFO] [stdout] 48b633385ca8c3556107bb19a07d1ea47c186e4b53a069b9878ad544af0c7a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] df6e1338820b65d6b7c70cc9d00f2bfc06fd220d1e4fc540d0c78aebde8483fc
[INFO] running `Command { std: "docker" "start" "-a" "df6e1338820b65d6b7c70cc9d00f2bfc06fd220d1e4fc540d0c78aebde8483fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-string v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "df6e1338820b65d6b7c70cc9d00f2bfc06fd220d1e4fc540d0c78aebde8483fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6e1338820b65d6b7c70cc9d00f2bfc06fd220d1e4fc540d0c78aebde8483fc", kill_on_drop: false }`
[INFO] [stdout] df6e1338820b65d6b7c70cc9d00f2bfc06fd220d1e4fc540d0c78aebde8483fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3930eb27c7bf328ef24bf7ff696cd7ca60487b295e08639ef13830418903e7e8
[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" "3930eb27c7bf328ef24bf7ff696cd7ca60487b295e08639ef13830418903e7e8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat_string-3581a1c751a63ff5
[INFO] [stdout] test tests::concat_string_0_args ... ok
[INFO] [stderr]    Doc-tests concat-string
[INFO] [stdout] test tests::concat_string_str_string ... ok
[INFO] [stdout] test tests::concat_string_1_arg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - concat_string (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3930eb27c7bf328ef24bf7ff696cd7ca60487b295e08639ef13830418903e7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3930eb27c7bf328ef24bf7ff696cd7ca60487b295e08639ef13830418903e7e8", kill_on_drop: false }`
[INFO] [stdout] 3930eb27c7bf328ef24bf7ff696cd7ca60487b295e08639ef13830418903e7e8
