Dec 13 09:52:39.975 INFO testing mrozycki/rust-fst against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 09:52:39.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 09:52:40.179 INFO [stdout] 7ae2da7ac31436aa90232d44e4e826771ab3a15eab01a5bdbc8c9ae4c0163bb1
Dec 13 09:52:40.181 INFO running `"docker" "start" "-a" "7ae2da7ac31436aa90232d44e4e826771ab3a15eab01a5bdbc8c9ae4c0163bb1"`
Dec 13 09:52:40.740 INFO [stderr] usermod: no changes
Dec 13 09:52:40.772 INFO [stderr]    Compiling rust-fst v0.1.0 (/source)
Dec 13 09:52:41.106 INFO [stderr] warning: method is never used: `empty`
Dec 13 09:52:41.106 INFO [stderr]   --> src/fst.rs:36:5
Dec 13 09:52:41.106 INFO [stderr]    |
Dec 13 09:52:41.106 INFO [stderr] 36 |     pub fn empty() -> Self {
Dec 13 09:52:41.106 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.106 INFO [stderr]    |
Dec 13 09:52:41.106 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:52:41.106 INFO [stderr] 
Dec 13 09:52:41.106 INFO [stderr] warning: method is never used: `string`
Dec 13 09:52:41.106 INFO [stderr]   --> src/fst.rs:60:5
Dec 13 09:52:41.106 INFO [stderr]    |
Dec 13 09:52:41.106 INFO [stderr] 60 |     pub fn string(s: &str) -> Self {
Dec 13 09:52:41.106 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.106 INFO [stderr] 
Dec 13 09:52:41.106 INFO [stderr] warning: method is never used: `and`
Dec 13 09:52:41.106 INFO [stderr]   --> src/fst.rs:83:5
Dec 13 09:52:41.106 INFO [stderr]    |
Dec 13 09:52:41.106 INFO [stderr] 83 |     pub fn and(m1: Self, m2: Self) -> Self {
Dec 13 09:52:41.106 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.106 INFO [stderr] 
Dec 13 09:52:41.106 INFO [stderr] warning: method is never used: `and_optionally`
Dec 13 09:52:41.107 INFO [stderr]   --> src/fst.rs:97:5
Dec 13 09:52:41.107 INFO [stderr]    |
Dec 13 09:52:41.107 INFO [stderr] 97 |     pub fn and_optionally(m1: Self, m2: Self) -> Self {
Dec 13 09:52:41.107 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.107 INFO [stderr] 
Dec 13 09:52:41.111 INFO [stderr] warning: method is never used: `repeated`
Dec 13 09:52:41.111 INFO [stderr]    --> src/fst.rs:159:5
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr] 159 |     pub fn repeated(mut m: Self) -> Self {
Dec 13 09:52:41.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.111 INFO [stderr] 
Dec 13 09:52:41.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:41.111 INFO [stderr]    --> src/fst.rs:217:9
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr] 217 |         writeln!(f, "{} {}", self.state_count, self.transitions.len());
Dec 13 09:52:41.111 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 09:52:41.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:41.111 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:41.111 INFO [stderr] 
Dec 13 09:52:41.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:41.111 INFO [stderr]    --> src/fst.rs:219:13
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr] 219 |             writeln!(f, "{}\t{}\t{}\t{}", t.from, t.to, t.on.unwrap_or('`'), t.with.unwrap_or_default());
Dec 13 09:52:41.111 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:41.111 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:41.111 INFO [stderr] 
Dec 13 09:52:41.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:41.111 INFO [stderr]    --> src/fst.rs:223:13
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr] 223 |             write!(f, "{} ", state);
Dec 13 09:52:41.111 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:41.111 INFO [stderr]     |
Dec 13 09:52:41.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:41.111 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:41.111 INFO [stderr] 
Dec 13 09:52:41.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 13 09:52:41.904 INFO [stderr] su: No module specific data is present
Dec 13 09:52:42.219 INFO running `"docker" "inspect" "7ae2da7ac31436aa90232d44e4e826771ab3a15eab01a5bdbc8c9ae4c0163bb1"`
Dec 13 09:52:42.310 INFO running `"docker" "rm" "-f" "7ae2da7ac31436aa90232d44e4e826771ab3a15eab01a5bdbc8c9ae4c0163bb1"`
Dec 13 09:52:42.422 INFO [stdout] 7ae2da7ac31436aa90232d44e4e826771ab3a15eab01a5bdbc8c9ae4c0163bb1
Dec 13 09:52:42.423 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 09:52:42.647 INFO [stdout] d3377fe2d6b096e44afdb8e57ea5c3c6cd8bd814ab44f67f028b9fb51cc7d164
Dec 13 09:52:42.653 INFO running `"docker" "start" "-a" "d3377fe2d6b096e44afdb8e57ea5c3c6cd8bd814ab44f67f028b9fb51cc7d164"`
Dec 13 09:52:43.119 INFO [stderr] usermod: no changes
Dec 13 09:52:43.150 INFO [stderr]    Compiling rust-fst v0.1.0 (/source)
Dec 13 09:52:43.449 INFO [stderr] warning: method is never used: `empty`
Dec 13 09:52:43.449 INFO [stderr]   --> src/fst.rs:36:5
Dec 13 09:52:43.449 INFO [stderr]    |
Dec 13 09:52:43.449 INFO [stderr] 36 |     pub fn empty() -> Self {
Dec 13 09:52:43.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.449 INFO [stderr]    |
Dec 13 09:52:43.449 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:52:43.449 INFO [stderr] 
Dec 13 09:52:43.449 INFO [stderr] warning: method is never used: `string`
Dec 13 09:52:43.449 INFO [stderr]   --> src/fst.rs:60:5
Dec 13 09:52:43.449 INFO [stderr]    |
Dec 13 09:52:43.449 INFO [stderr] 60 |     pub fn string(s: &str) -> Self {
Dec 13 09:52:43.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.449 INFO [stderr] 
Dec 13 09:52:43.449 INFO [stderr] warning: method is never used: `and`
Dec 13 09:52:43.449 INFO [stderr]   --> src/fst.rs:83:5
Dec 13 09:52:43.449 INFO [stderr]    |
Dec 13 09:52:43.449 INFO [stderr] 83 |     pub fn and(m1: Self, m2: Self) -> Self {
Dec 13 09:52:43.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.449 INFO [stderr] 
Dec 13 09:52:43.449 INFO [stderr] warning: method is never used: `and_optionally`
Dec 13 09:52:43.449 INFO [stderr]   --> src/fst.rs:97:5
Dec 13 09:52:43.449 INFO [stderr]    |
Dec 13 09:52:43.449 INFO [stderr] 97 |     pub fn and_optionally(m1: Self, m2: Self) -> Self {
Dec 13 09:52:43.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.449 INFO [stderr] 
Dec 13 09:52:43.449 INFO [stderr] warning: method is never used: `repeated`
Dec 13 09:52:43.449 INFO [stderr]    --> src/fst.rs:159:5
Dec 13 09:52:43.449 INFO [stderr]     |
Dec 13 09:52:43.449 INFO [stderr] 159 |     pub fn repeated(mut m: Self) -> Self {
Dec 13 09:52:43.449 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.449 INFO [stderr] 
Dec 13 09:52:43.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:43.458 INFO [stderr]    --> src/fst.rs:217:9
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr] 217 |         writeln!(f, "{} {}", self.state_count, self.transitions.len());
Dec 13 09:52:43.458 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 09:52:43.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:43.458 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:43.458 INFO [stderr] 
Dec 13 09:52:43.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:43.458 INFO [stderr]    --> src/fst.rs:219:13
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr] 219 |             writeln!(f, "{}\t{}\t{}\t{}", t.from, t.to, t.on.unwrap_or('`'), t.with.unwrap_or_default());
Dec 13 09:52:43.458 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:43.458 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:43.458 INFO [stderr] 
Dec 13 09:52:43.458 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:52:43.458 INFO [stderr]    --> src/fst.rs:223:13
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr] 223 |             write!(f, "{} ", state);
Dec 13 09:52:43.458 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:52:43.458 INFO [stderr]     |
Dec 13 09:52:43.458 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:52:43.458 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 13 09:52:43.458 INFO [stderr] 
Dec 13 09:52:43.689 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 13 09:52:43.691 INFO [stderr] su: No module specific data is present
Dec 13 09:52:44.048 INFO running `"docker" "inspect" "d3377fe2d6b096e44afdb8e57ea5c3c6cd8bd814ab44f67f028b9fb51cc7d164"`
Dec 13 09:52:44.158 INFO running `"docker" "rm" "-f" "d3377fe2d6b096e44afdb8e57ea5c3c6cd8bd814ab44f67f028b9fb51cc7d164"`
Dec 13 09:52:44.302 INFO [stdout] d3377fe2d6b096e44afdb8e57ea5c3c6cd8bd814ab44f67f028b9fb51cc7d164
Dec 13 09:52:44.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 09:52:44.608 INFO [stdout] 72cc234e5fe4dcd40461a0a806855a86a8775e3e2fe49b529967106262b569e7
Dec 13 09:52:44.610 INFO running `"docker" "start" "-a" "72cc234e5fe4dcd40461a0a806855a86a8775e3e2fe49b529967106262b569e7"`
Dec 13 09:52:45.655 INFO [stderr] usermod: no changes
Dec 13 09:52:45.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 09:52:45.716 INFO [stderr]      Running /target/debug/deps/rust_fst-3a21af93d2de3fa6
Dec 13 09:52:45.720 INFO [stdout] 
Dec 13 09:52:45.720 INFO [stdout] running 0 tests
Dec 13 09:52:45.720 INFO [stdout] 
Dec 13 09:52:45.720 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 09:52:45.720 INFO [stdout] 
Dec 13 09:52:45.722 INFO [stderr] su: No module specific data is present
Dec 13 09:52:46.448 INFO running `"docker" "inspect" "72cc234e5fe4dcd40461a0a806855a86a8775e3e2fe49b529967106262b569e7"`
Dec 13 09:52:46.717 INFO running `"docker" "rm" "-f" "72cc234e5fe4dcd40461a0a806855a86a8775e3e2fe49b529967106262b569e7"`
Dec 13 09:52:47.042 INFO [stdout] 72cc234e5fe4dcd40461a0a806855a86a8775e3e2fe49b529967106262b569e7