[INFO] fetching crate levenshtein-diff 0.2.1...
[INFO] testing levenshtein-diff-0.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate levenshtein-diff 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate levenshtein-diff 0.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate levenshtein-diff 0.2.1
[INFO] finished tweaking crates.io crate levenshtein-diff 0.2.1
[INFO] tweaked toml for crates.io crate levenshtein-diff 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5423e2e5e8d2383b09b03d7a93403829207ff3129005cb7657fe763cee182f1
[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" "e5423e2e5e8d2383b09b03d7a93403829207ff3129005cb7657fe763cee182f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5423e2e5e8d2383b09b03d7a93403829207ff3129005cb7657fe763cee182f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5423e2e5e8d2383b09b03d7a93403829207ff3129005cb7657fe763cee182f1", kill_on_drop: false }`
[INFO] [stdout] e5423e2e5e8d2383b09b03d7a93403829207ff3129005cb7657fe763cee182f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 958ff8fced621bbcfae80b2ad59b42b0b8cf97b27c1308b428366354def28800
[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" "958ff8fced621bbcfae80b2ad59b42b0b8cf97b27c1308b428366354def28800", kill_on_drop: false }`
[INFO] [stderr]    Compiling levenshtein-diff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "958ff8fced621bbcfae80b2ad59b42b0b8cf97b27c1308b428366354def28800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958ff8fced621bbcfae80b2ad59b42b0b8cf97b27c1308b428366354def28800", kill_on_drop: false }`
[INFO] [stdout] 958ff8fced621bbcfae80b2ad59b42b0b8cf97b27c1308b428366354def28800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] f74fb540f0c3b45d90f2918710ddccf6a114bff937bd8fa4bc533b14197711cb
[INFO] running `Command { std: "docker" "start" "-a" "f74fb540f0c3b45d90f2918710ddccf6a114bff937bd8fa4bc533b14197711cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling levenshtein-diff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/integration_test.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .unwrap_or_else(|err| panic!(err));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .unwrap_or_else(|err| std::panic::panic_any(err));
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "f74fb540f0c3b45d90f2918710ddccf6a114bff937bd8fa4bc533b14197711cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74fb540f0c3b45d90f2918710ddccf6a114bff937bd8fa4bc533b14197711cb", kill_on_drop: false }`
[INFO] [stdout] f74fb540f0c3b45d90f2918710ddccf6a114bff937bd8fa4bc533b14197711cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db0b9cf10ce9b961657e56250c2d8a1e8d90e6f6d55ed568f17b5061ab107f83
[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" "db0b9cf10ce9b961657e56250c2d8a1e8d90e6f6d55ed568f17b5061ab107f83", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/integration_test.rs:20:38
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .unwrap_or_else(|err| panic!(err));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]    |                                      ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .unwrap_or_else(|err| std::panic::panic_any(err));
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/levenshtein_diff-44c6420949593eee)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test distance::tests::levenshtein_memoization_test ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-db249feab53e8ce1)
[INFO] [stdout] test distance::tests::levenshtein_naive_test ... ok
[INFO] [stdout] test edit::tests::edit_list_is_correct ... ok
[INFO] [stdout] test distance::tests::levenshtein_tabulation_test ... ok
[INFO] [stdout] test edit::tests::edits_are_applied_correctly ... ok
[INFO] [stdout] test tests::default_distance_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_regeneration_of_target ... ok
[INFO] [stderr]    Doc-tests levenshtein-diff
[INFO] [stdout] test test_strings_have_same_distances ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/distance.rs - distance::levenshtein_memoization (line 109) ... ok
[INFO] [stdout] test src/distance.rs - distance::levenshtein_tabulation (line 61) ... ok
[INFO] [stdout] test src/lib.rs - distance (line 18) ... ok
[INFO] [stdout] test src/edit.rs - edit::generate_edits (line 110) ... ok
[INFO] [stdout] test src/distance.rs - distance::levenshtein_naive (line 19) ... ok
[INFO] [stdout] test src/edit.rs - edit::apply_edits (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db0b9cf10ce9b961657e56250c2d8a1e8d90e6f6d55ed568f17b5061ab107f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0b9cf10ce9b961657e56250c2d8a1e8d90e6f6d55ed568f17b5061ab107f83", kill_on_drop: false }`
[INFO] [stdout] db0b9cf10ce9b961657e56250c2d8a1e8d90e6f6d55ed568f17b5061ab107f83