[INFO] fetching crate slice-copy 0.2.0...
[INFO] testing slice-copy-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate slice-copy 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slice-copy 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 slice-copy 0.2.0
[INFO] finished tweaking crates.io crate slice-copy 0.2.0
[INFO] tweaked toml for crates.io crate slice-copy 0.2.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a5d23d8eb6fd151d4f560991932f020d9a1ecbb95c4bb8190e53774bdfb124f1
[INFO] running `Command { std: "docker" "start" "-a" "a5d23d8eb6fd151d4f560991932f020d9a1ecbb95c4bb8190e53774bdfb124f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d23d8eb6fd151d4f560991932f020d9a1ecbb95c4bb8190e53774bdfb124f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d23d8eb6fd151d4f560991932f020d9a1ecbb95c4bb8190e53774bdfb124f1", kill_on_drop: false }`
[INFO] [stdout] a5d23d8eb6fd151d4f560991932f020d9a1ecbb95c4bb8190e53774bdfb124f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9f2f65838a16b5b8a266df55f444d3806de499adab6f8526851e4afc0c0cc5e8
[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" "9f2f65838a16b5b8a266df55f444d3806de499adab6f8526851e4afc0c0cc5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-copy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "9f2f65838a16b5b8a266df55f444d3806de499adab6f8526851e4afc0c0cc5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2f65838a16b5b8a266df55f444d3806de499adab6f8526851e4afc0c0cc5e8", kill_on_drop: false }`
[INFO] [stdout] 9f2f65838a16b5b8a266df55f444d3806de499adab6f8526851e4afc0c0cc5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 334acb91a1a14b3469e4610117f8681ccef07ece1d9d17cc3793970ec4fe2921
[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" "334acb91a1a14b3469e4610117f8681ccef07ece1d9d17cc3793970ec4fe2921", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-copy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "334acb91a1a14b3469e4610117f8681ccef07ece1d9d17cc3793970ec4fe2921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334acb91a1a14b3469e4610117f8681ccef07ece1d9d17cc3793970ec4fe2921", kill_on_drop: false }`
[INFO] [stdout] 334acb91a1a14b3469e4610117f8681ccef07ece1d9d17cc3793970ec4fe2921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 85c6df52e8916f3445c043f0cef385a04330278c57af5c23a1d8dce223af091d
[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" "85c6df52e8916f3445c043f0cef385a04330278c57af5c23a1d8dce223af091d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice_copy-4f1f5b4e014fcd64
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-copy
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_copy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - copy (line 85) ... ok
[INFO] [stdout] test src/lib.rs - clone (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85c6df52e8916f3445c043f0cef385a04330278c57af5c23a1d8dce223af091d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c6df52e8916f3445c043f0cef385a04330278c57af5c23a1d8dce223af091d", kill_on_drop: false }`
[INFO] [stdout] 85c6df52e8916f3445c043f0cef385a04330278c57af5c23a1d8dce223af091d