[INFO] fetching crate concat-with 0.2.5...
[INFO] testing concat-with-0.2.5 against 1.45.2 for beta-1.46-1
[INFO] extracting crate concat-with 0.2.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concat-with 0.2.5 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat-with 0.2.5
[INFO] finished tweaking crates.io crate concat-with 0.2.5
[INFO] tweaked toml for crates.io crate concat-with 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0ef85b8de34dc469abd19b43f99a64634a54d76326c56a52e9e946d83a018e
[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" "4c0ef85b8de34dc469abd19b43f99a64634a54d76326c56a52e9e946d83a018e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0ef85b8de34dc469abd19b43f99a64634a54d76326c56a52e9e946d83a018e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0ef85b8de34dc469abd19b43f99a64634a54d76326c56a52e9e946d83a018e", kill_on_drop: false }`
[INFO] [stdout] 4c0ef85b8de34dc469abd19b43f99a64634a54d76326c56a52e9e946d83a018e
[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" "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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4700f40d1c3f4e0029e03f46e7dbcbbda1099afb8ff9899286861d10d3464307
[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" "4700f40d1c3f4e0029e03f46e7dbcbbda1099afb8ff9899286861d10d3464307", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-with v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4700f40d1c3f4e0029e03f46e7dbcbbda1099afb8ff9899286861d10d3464307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4700f40d1c3f4e0029e03f46e7dbcbbda1099afb8ff9899286861d10d3464307", kill_on_drop: false }`
[INFO] [stdout] 4700f40d1c3f4e0029e03f46e7dbcbbda1099afb8ff9899286861d10d3464307
[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" "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" "+1.45.2" "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] 4ad664222f38cbfd6f2197e75a4c691dd1aad03f8006eefe83665875bde5914f
[INFO] running `Command { std: "docker" "start" "-a" "4ad664222f38cbfd6f2197e75a4c691dd1aad03f8006eefe83665875bde5914f", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-with v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4ad664222f38cbfd6f2197e75a4c691dd1aad03f8006eefe83665875bde5914f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad664222f38cbfd6f2197e75a4c691dd1aad03f8006eefe83665875bde5914f", kill_on_drop: false }`
[INFO] [stdout] 4ad664222f38cbfd6f2197e75a4c691dd1aad03f8006eefe83665875bde5914f
[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" "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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 242162bedbe431295b552c2ae5d5417295dd5bc98c7831d8d80ed3e70f924d70
[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" "242162bedbe431295b552c2ae5d5417295dd5bc98c7831d8d80ed3e70f924d70", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat_with-1176b838f7292c7d
[INFO] [stderr]    Doc-tests concat-with
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - concat_impl (line 209) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 50) ... ok
[INFO] [stdout] test src/lib.rs - concat_line (line 231) ... 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" "242162bedbe431295b552c2ae5d5417295dd5bc98c7831d8d80ed3e70f924d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242162bedbe431295b552c2ae5d5417295dd5bc98c7831d8d80ed3e70f924d70", kill_on_drop: false }`
[INFO] [stdout] 242162bedbe431295b552c2ae5d5417295dd5bc98c7831d8d80ed3e70f924d70