[INFO] fetching crate lcs 0.2.0...
[INFO] testing lcs-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lcs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lcs 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcs 0.2.0
[INFO] finished tweaking crates.io crate lcs 0.2.0
[INFO] tweaked toml for crates.io crate lcs 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2065e4ace5d32989db5ccb7f58218cc7149899c2d4197100a3033bf6185480ea
[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" "2065e4ace5d32989db5ccb7f58218cc7149899c2d4197100a3033bf6185480ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2065e4ace5d32989db5ccb7f58218cc7149899c2d4197100a3033bf6185480ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2065e4ace5d32989db5ccb7f58218cc7149899c2d4197100a3033bf6185480ea", kill_on_drop: false }`
[INFO] [stdout] 2065e4ace5d32989db5ccb7f58218cc7149899c2d4197100a3033bf6185480ea
[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" "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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96406fee24c371ed896973b9050cdc4ca7514d11186c8e9beaa192bab2bbcafc
[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" "96406fee24c371ed896973b9050cdc4ca7514d11186c8e9beaa192bab2bbcafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "96406fee24c371ed896973b9050cdc4ca7514d11186c8e9beaa192bab2bbcafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96406fee24c371ed896973b9050cdc4ca7514d11186c8e9beaa192bab2bbcafc", kill_on_drop: false }`
[INFO] [stdout] 96406fee24c371ed896973b9050cdc4ca7514d11186c8e9beaa192bab2bbcafc
[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" "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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef956ce566d842ae032a8cf8d03f4d68b0f9db1fc47d06a1cf2254ed65cb8893
[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" "ef956ce566d842ae032a8cf8d03f4d68b0f9db1fc47d06a1cf2254ed65cb8893", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "ef956ce566d842ae032a8cf8d03f4d68b0f9db1fc47d06a1cf2254ed65cb8893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef956ce566d842ae032a8cf8d03f4d68b0f9db1fc47d06a1cf2254ed65cb8893", kill_on_drop: false }`
[INFO] [stdout] ef956ce566d842ae032a8cf8d03f4d68b0f9db1fc47d06a1cf2254ed65cb8893
[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" "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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d96b314321b142f9cecfd838a424d41b00be4be08751c5c3b1dc5e2b2964a9b1
[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" "d96b314321b142f9cecfd838a424d41b00be4be08751c5c3b1dc5e2b2964a9b1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lcs-29809d68d8f92192
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests lcs
[INFO] [stdout] test test_lcs_lcs ... ok
[INFO] [stdout] test test_longest_common_subsequences ... ok
[INFO] [stdout] test test_lcs_table ... ok
[INFO] [stdout] test test_diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - LcsTable::diff (line 150) ... ok
[INFO] [stdout] test src/lib.rs - LcsTable::longest_common_subsequence (line 55) ... ok
[INFO] [stdout] test src/lib.rs - LcsTable::longest_common_subsequences (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d96b314321b142f9cecfd838a424d41b00be4be08751c5c3b1dc5e2b2964a9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96b314321b142f9cecfd838a424d41b00be4be08751c5c3b1dc5e2b2964a9b1", kill_on_drop: false }`
[INFO] [stdout] d96b314321b142f9cecfd838a424d41b00be4be08751c5c3b1dc5e2b2964a9b1