[INFO] fetching crate smlr 0.1.3...
[INFO] testing smlr-0.1.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate smlr 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate smlr 0.1.3
[INFO] finished tweaking crates.io crate smlr 0.1.3
[INFO] tweaked toml for crates.io crate smlr 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smlr 0.1.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smlr 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c69f0950b001f2ff6af8643ba4ac9c55ac28c6f38439183c8d5048a7f6061dc6
[INFO] running `Command { std: "docker" "start" "-a" "c69f0950b001f2ff6af8643ba4ac9c55ac28c6f38439183c8d5048a7f6061dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c69f0950b001f2ff6af8643ba4ac9c55ac28c6f38439183c8d5048a7f6061dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69f0950b001f2ff6af8643ba4ac9c55ac28c6f38439183c8d5048a7f6061dc6", kill_on_drop: false }`
[INFO] [stdout] c69f0950b001f2ff6af8643ba4ac9c55ac28c6f38439183c8d5048a7f6061dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e19a39c5b942d369d177754dcc697d6a3c20864dd5671c96e55c736716e811
[INFO] running `Command { std: "docker" "start" "-a" "17e19a39c5b942d369d177754dcc697d6a3c20864dd5671c96e55c736716e811", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling eddie v0.4.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.0
[INFO] [stderr]    Compiling smlr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Indexer` is never used
[INFO] [stdout]   --> src/indexer.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Indexer {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> src/indexer.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Index<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 18 |     /// Reference to the content
[INFO] [stdout] 19 |     content: &'a str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexer.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index {
[INFO] [stdout]    |                                            ^^^^                            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index<'_> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `Command { std: "docker" "inspect" "17e19a39c5b942d369d177754dcc697d6a3c20864dd5671c96e55c736716e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e19a39c5b942d369d177754dcc697d6a3c20864dd5671c96e55c736716e811", kill_on_drop: false }`
[INFO] [stdout] 17e19a39c5b942d369d177754dcc697d6a3c20864dd5671c96e55c736716e811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf05d629472c543fa20b95028d769b09dfcc960592a0c4f73a72f8caf2f0819c
[INFO] running `Command { std: "docker" "start" "-a" "cf05d629472c543fa20b95028d769b09dfcc960592a0c4f73a72f8caf2f0819c", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Indexer` is never used
[INFO] [stdout]   --> src/indexer.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Indexer {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> src/indexer.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Index<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 18 |     /// Reference to the content
[INFO] [stdout] 19 |     content: &'a str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexer.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index {
[INFO] [stdout]    |                                            ^^^^                            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index<'_> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smlr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Indexer` is never used
[INFO] [stdout]   --> src/indexer.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Indexer {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> src/indexer.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Index<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 18 |     /// Reference to the content
[INFO] [stdout] 19 |     content: &'a str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/indexer.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index {
[INFO] [stdout]    |                                            ^^^^                            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index<'_> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/score.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         ScoringAlgo::from("junk");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = ScoringAlgo::from("junk");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "cf05d629472c543fa20b95028d769b09dfcc960592a0c4f73a72f8caf2f0819c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf05d629472c543fa20b95028d769b09dfcc960592a0c4f73a72f8caf2f0819c", kill_on_drop: false }`
[INFO] [stdout] cf05d629472c543fa20b95028d769b09dfcc960592a0c4f73a72f8caf2f0819c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48c048d2f8a84bfff574a009dbc16da212415af1f2a7ff13b9ea4b0657db3690
[INFO] running `Command { std: "docker" "start" "-a" "48c048d2f8a84bfff574a009dbc16da212415af1f2a7ff13b9ea4b0657db3690", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Indexer` is never used
[INFO] [stderr]   --> src/indexer.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | trait Indexer {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `content` is never read
[INFO] [stderr]   --> src/indexer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Index<'a> {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 18 |     /// Reference to the content
[INFO] [stderr] 19 |     content: &'a str,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Index` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/indexer.rs:29:44
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index {
[INFO] [stderr]    |                                            ^^^^                            ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(algo: ScoringAlgo, content: &str, path: Option<PathBuf>) -> Index<'_> {
[INFO] [stderr]    |                                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: feature `test` is declared but not used
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `smlr` (lib) generated 4 warnings (run `cargo fix --lib -p smlr` to apply 1 suggestion)
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/score.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         ScoringAlgo::from("junk");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let _ = ScoringAlgo::from("junk");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `smlr` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smlr-251ce608b1ea13bf)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'indexer::tests::test_full' (20) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eddie-0.4.2/src/utils/buffer.rs:26:31:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e5cf677a6a - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x55e5cf677a6a - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x55e5cf677a6a - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x55e5cf677a6a - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x55e5cf68c95a - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x55e5cf68c95a - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stderr]    6:     0x55e5cf67cf52 - std[ec4e911328de40a6]::io::default_write_fmt::<std[ec4e911328de40a6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x55e5cf67cf52 - <std[ec4e911328de40a6]::sys::stdio::unix::Stderr as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x55e5cf656a9f - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x55e5cf656a9f - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x55e5cf66fff1 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x55e5cf5fecbc - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   12:     0x55e5cf5fecbc - test[30c43f9fd66fea90]::test_main_with_exit_callback::<test[30c43f9fd66fea90]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x55e5cf6701e2 - <alloc[c960326de6de28e6]::boxed::Box<dyn for<'a, 'b> core[a96a4c5c53f902a3]::ops::function::Fn<(&'a std[ec4e911328de40a6]::panic::PanicHookInfo<'b>,), Output = ()> + core[a96a4c5c53f902a3]::marker::Sync + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::Fn<(&std[ec4e911328de40a6]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   14:     0x55e5cf6701e2 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x55e5cf656b8a - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x55e5cf64e4c9 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x55e5cf65786d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x55e5cf68cf3d - core[a96a4c5c53f902a3]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x55e5cf68cf3d - core[a96a4c5c53f902a3]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stderr]   20:     0x55e5cf63d304 - <usize as core[a96a4c5c53f902a3]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x55e5cf63d449 - <usize as core[a96a4c5c53f902a3]::slice::index::SliceIndex<[char]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x55e5cf631479 - <[char]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/slice/mod.rs:691:30
[INFO] [stderr]   23:     0x55e5cf632045 - <eddie[1ace81c8138f9b3d]::utils::buffer::Buffer<char>>::store::<core[a96a4c5c53f902a3]::str::iter::Chars>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eddie-0.4.2/src/utils/buffer.rs:26:31
[INFO] [stderr]   24:     0x55e5cf63c2dc - <eddie[1ace81c8138f9b3d]::str::leven::Levenshtein>::distance
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eddie-0.4.2/src/str/leven.rs:84:35
[INFO] [stderr]   25:     0x55e5cf599297 - <smlr[efa239f89533057d]::score::ScoreCalculator>::get_score
[INFO] [stderr]                                at /opt/rustwide/workdir/src/score.rs:70:36
[INFO] [stderr]   26:     0x55e5cf5a9993 - <smlr[efa239f89533057d]::indexer::Index>::process_line
[INFO] [stderr]                                at /opt/rustwide/workdir/src/indexer.rs:61:47
[INFO] [stderr]   27:     0x55e5cf5a964c - <smlr[efa239f89533057d]::indexer::Index>::create_index
[INFO] [stderr]                                at /opt/rustwide/workdir/src/indexer.rs:39:18
[INFO] [stderr]   28:     0x55e5cf59f9c0 - smlr[efa239f89533057d]::indexer::tests::test_full
[INFO] [stderr]                                at /opt/rustwide/workdir/src/indexer.rs:140:15
[INFO] [stderr]   29:     0x55e5cf59d9b7 - smlr[efa239f89533057d]::indexer::tests::test_full::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/indexer.rs:137:19
[INFO] [stderr]   30:     0x55e5cf593236 - <smlr[efa239f89533057d]::indexer::tests::test_full::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x55e5cf5f2d9b - <fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   32:     0x55e5cf5f2d9b - test[30c43f9fd66fea90]::__rust_begin_short_backtrace::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, fn() -> core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:663:18
[INFO] [stderr]   33:     0x55e5cf5ff78b - test[30c43f9fd66fea90]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:74
[INFO] [stderr]   34:     0x55e5cf5ff78b - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   35:     0x55e5cf5ff78b - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   36:     0x55e5cf5ff78b - std[ec4e911328de40a6]::panicking::catch_unwind::<core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>, core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   37:     0x55e5cf5ff78b - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<test[30c43f9fd66fea90]::run_test_in_process::{closure#0}>, core[a96a4c5c53f902a3]::result::Result<(), alloc[c960326de6de28e6]::string::String>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stderr]   38:     0x55e5cf5ff78b - test[30c43f9fd66fea90]::run_test_in_process
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:686:27
[INFO] [stderr]   39:     0x55e5cf5ff78b - test[30c43f9fd66fea90]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:607:43
[INFO] [stderr]   40:     0x55e5cf5faea4 - test[30c43f9fd66fea90]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/test/src/lib.rs:637:41
[INFO] [stderr]   41:     0x55e5cf5faea4 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   42:     0x55e5cf602392 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   43:     0x55e5cf602392 - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   44:     0x55e5cf602392 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   45:     0x55e5cf602392 - std[ec4e911328de40a6]::panicking::catch_unwind::<(), core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   46:     0x55e5cf602392 - std[ec4e911328de40a6]::panic::catch_unwind::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stderr]   47:     0x55e5cf602392 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   48:     0x55e5cf602392 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<test[30c43f9fd66fea90]::run_test::{closure#1}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   49:     0x55e5cf67737f - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr]   50:     0x55e5cf67737f - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stderr]   51:     0x7a9a1eac7aa4 - <unknown>
[INFO] [stderr]   52:     0x7a9a1eb54a64 - clone
[INFO] [stderr]   53:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/smlr-251ce608b1ea13bf` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "48c048d2f8a84bfff574a009dbc16da212415af1f2a7ff13b9ea4b0657db3690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c048d2f8a84bfff574a009dbc16da212415af1f2a7ff13b9ea4b0657db3690", kill_on_drop: false }`
[INFO] [stdout] 48c048d2f8a84bfff574a009dbc16da212415af1f2a7ff13b9ea4b0657db3690
