[INFO] fetching crate edit_tree 0.2.0...
[INFO] testing edit_tree-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate edit_tree 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate edit_tree 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate edit_tree 0.2.0
[INFO] finished tweaking crates.io crate edit_tree 0.2.0
[INFO] tweaked toml for crates.io crate edit_tree 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 2ea1b281b0605dfe8285edbe2f5a100b7165a6e893d17ddc2373402c30efdc6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2ea1b281b0605dfe8285edbe2f5a100b7165a6e893d17ddc2373402c30efdc6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling seqalign v0.2.2
[INFO] [stderr]    Compiling edit_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "2ea1b281b0605dfe8285edbe2f5a100b7165a6e893d17ddc2373402c30efdc6a"`
[INFO] running `"docker" "rm" "-f" "2ea1b281b0605dfe8285edbe2f5a100b7165a6e893d17ddc2373402c30efdc6a"`
[INFO] [stdout] 2ea1b281b0605dfe8285edbe2f5a100b7165a6e893d17ddc2373402c30efdc6a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddc56c2c2f586cceef23bdc56deb245306b67d98856cb006e202b1879661835d
[INFO] running `"docker" "start" "-a" "ddc56c2c2f586cceef23bdc56deb245306b67d98856cb006e202b1879661835d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling edit_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "ddc56c2c2f586cceef23bdc56deb245306b67d98856cb006e202b1879661835d"`
[INFO] running `"docker" "rm" "-f" "ddc56c2c2f586cceef23bdc56deb245306b67d98856cb006e202b1879661835d"`
[INFO] [stdout] ddc56c2c2f586cceef23bdc56deb245306b67d98856cb006e202b1879661835d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] ad520554f170720bae7c893256ada310bbd4788caf0a97a7cee1210cb4a7bbb0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ad520554f170720bae7c893256ada310bbd4788caf0a97a7cee1210cb4a7bbb0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/edit_tree.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref MEASURE: LCS = { LCS::new(1, 1) };
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/edit_tree-42cb234fd5c3eafe
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test edit_tree::tests::test_graphs_inapplicable ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_2 ... ok
[INFO] [stdout] test edit_tree::tests::display_edit_tree ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome_3 ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_outcome ... ok
[INFO] [stdout] test edit_tree::tests::test_graph_equality_and_applicability ... ok
[INFO] [stderr]    Doc-tests edit_tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `"docker" "inspect" "ad520554f170720bae7c893256ada310bbd4788caf0a97a7cee1210cb4a7bbb0"`
[INFO] running `"docker" "rm" "-f" "ad520554f170720bae7c893256ada310bbd4788caf0a97a7cee1210cb4a7bbb0"`
[INFO] [stdout] ad520554f170720bae7c893256ada310bbd4788caf0a97a7cee1210cb4a7bbb0