[INFO] fetching crate lcs 0.2.0...
[INFO] testing lcs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lcs 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lcs 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cbd9223911af9de6be88b218ddc4d619e470d20bad4ec88880f2cff42f1fb4
[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" "47cbd9223911af9de6be88b218ddc4d619e470d20bad4ec88880f2cff42f1fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cbd9223911af9de6be88b218ddc4d619e470d20bad4ec88880f2cff42f1fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cbd9223911af9de6be88b218ddc4d619e470d20bad4ec88880f2cff42f1fb4", kill_on_drop: false }`
[INFO] [stdout] 47cbd9223911af9de6be88b218ddc4d619e470d20bad4ec88880f2cff42f1fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de376dee3a80baaf34727280b6591aa16bd9ae6b0c7850a86b8575d3532edac
[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" "7de376dee3a80baaf34727280b6591aa16bd9ae6b0c7850a86b8575d3532edac", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7de376dee3a80baaf34727280b6591aa16bd9ae6b0c7850a86b8575d3532edac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de376dee3a80baaf34727280b6591aa16bd9ae6b0c7850a86b8575d3532edac", kill_on_drop: false }`
[INFO] [stdout] 7de376dee3a80baaf34727280b6591aa16bd9ae6b0c7850a86b8575d3532edac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 28a233eaf9e5f45422fb23d78f8a690c6753fa13be4d769594219731d237627e
[INFO] running `Command { std: "docker" "start" "-a" "28a233eaf9e5f45422fb23d78f8a690c6753fa13be4d769594219731d237627e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "28a233eaf9e5f45422fb23d78f8a690c6753fa13be4d769594219731d237627e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a233eaf9e5f45422fb23d78f8a690c6753fa13be4d769594219731d237627e", kill_on_drop: false }`
[INFO] [stdout] 28a233eaf9e5f45422fb23d78f8a690c6753fa13be4d769594219731d237627e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eada1ee6ccf01ce92c8cee9b04a4a4e7c04f6f1da53b566c481295630aeb93ad
[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" "eada1ee6ccf01ce92c8cee9b04a4a4e7c04f6f1da53b566c481295630aeb93ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcs-7e95cf6f045cb131)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_diff ... ok
[INFO] [stdout] test test_lcs_table ... ok
[INFO] [stdout] test test_lcs_lcs ... ok
[INFO] [stdout] test test_longest_common_subsequences ... 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] [stderr]    Doc-tests lcs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - LcsTable::longest_common_subsequence (line 55) ... ok
[INFO] [stdout] test src/lib.rs - LcsTable::diff (line 150) ... 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 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eada1ee6ccf01ce92c8cee9b04a4a4e7c04f6f1da53b566c481295630aeb93ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eada1ee6ccf01ce92c8cee9b04a4a4e7c04f6f1da53b566c481295630aeb93ad", kill_on_drop: false }`
[INFO] [stdout] eada1ee6ccf01ce92c8cee9b04a4a4e7c04f6f1da53b566c481295630aeb93ad