[INFO] updating cached repository https://github.com/alan20210202/particle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55df2311ee8ab4565a0051711f26ba4890a52341
[INFO] testing alan20210202/particle against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan20210202%2Fparticle" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alan20210202/particle on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alan20210202/particle
[INFO] finished tweaking git repo https://github.com/alan20210202/particle
[INFO] tweaked toml for git repo https://github.com/alan20210202/particle written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eef22b8ac3406e96fbeaa0555c31931b5ff6f6830b24bd8feee8f14e52c95a39
[INFO] running `"docker" "start" "-a" "eef22b8ac3406e96fbeaa0555c31931b5ff6f6830b24bd8feee8f14e52c95a39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling particle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Err(msg) => {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `"docker" "inspect" "eef22b8ac3406e96fbeaa0555c31931b5ff6f6830b24bd8feee8f14e52c95a39"`
[INFO] running `"docker" "rm" "-f" "eef22b8ac3406e96fbeaa0555c31931b5ff6f6830b24bd8feee8f14e52c95a39"`
[INFO] [stdout] eef22b8ac3406e96fbeaa0555c31931b5ff6f6830b24bd8feee8f14e52c95a39
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 11bcd38f929dce48ee703bd8c7a8f7bdf99ac9b38d624b66ed896764ca5003ae
[INFO] running `"docker" "start" "-a" "11bcd38f929dce48ee703bd8c7a8f7bdf99ac9b38d624b66ed896764ca5003ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling criterion v0.1.2
[INFO] [stderr]    Compiling particle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Err(msg) => {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 51.21s
[INFO] running `"docker" "inspect" "11bcd38f929dce48ee703bd8c7a8f7bdf99ac9b38d624b66ed896764ca5003ae"`
[INFO] running `"docker" "rm" "-f" "11bcd38f929dce48ee703bd8c7a8f7bdf99ac9b38d624b66ed896764ca5003ae"`
[INFO] [stdout] 11bcd38f929dce48ee703bd8c7a8f7bdf99ac9b38d624b66ed896764ca5003ae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 562f580e00b4a56886e705a8df17f232da196c4a92bb4a852915a0611e7dfbfd
[INFO] running `"docker" "start" "-a" "562f580e00b4a56886e705a8df17f232da196c4a92bb4a852915a0611e7dfbfd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Err(msg) => {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/particle-a224249f2c15dba9
[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] [stderr]      Running /opt/rustwide/target/debug/deps/particle-0a23000f8ab48a35
[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] [stderr]    Doc-tests particle
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 101) ... FAILED
[INFO] [stdout] test src/automatons.rs - automatons (line 5) ... FAILED
[INFO] [stdout] test src/automatons.rs - automatons (line 30) ... FAILED
[INFO] [stdout] test src/automatons.rs - automatons (line 26) ... FAILED
[INFO] [stdout] test src/automatons.rs - automatons (line 9) ... ok
[INFO] [stdout] test src/regex.rs - regex (line 13) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 101) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `Str`
[INFO] [stdout]  --> src/lib.rs:103:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | Punctuation("{")
[INFO] [stdout]   |                 - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 4 | Str("\"age\"")
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/automatons.rs - automatons (line 5) stdout ----
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/automatons.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   |             ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/automatons.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   |                             ^
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `.`
[INFO] [stdout]  --> src/automatons.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   |              ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `+`
[INFO] [stdout]  --> src/automatons.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   |                              ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `)`
[INFO] [stdout]  --> src/automatons.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 3 | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   |                                              ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/automatons.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | [1-9][0-9]*(\.[0-9]+)?([eE](\+|-)?[1-9][0-9]*)?
[INFO] [stdout]   | |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/automatons.rs - automatons (line 30) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `dfa` in this scope
[INFO] [stdout]  --> src/automatons.rs:31:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let dfa = dfa.minimize();
[INFO] [stdout]   |           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/automatons.rs - automatons (line 26) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `DFA`
[INFO] [stdout]  --> src/automatons.rs:27:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let dfa = DFA::from(nfa);
[INFO] [stdout]   |           ^^^ use of undeclared type or module `DFA`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `nfa` in this scope
[INFO] [stdout]  --> src/automatons.rs:27:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | let dfa = DFA::from(nfa);
[INFO] [stdout]   |                     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/automatons.rs - automatons (line 26)
[INFO] [stdout]     src/automatons.rs - automatons (line 30)
[INFO] [stdout]     src/automatons.rs - automatons (line 5)
[INFO] [stdout]     src/lib.rs -  (line 101)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "562f580e00b4a56886e705a8df17f232da196c4a92bb4a852915a0611e7dfbfd"`
[INFO] running `"docker" "rm" "-f" "562f580e00b4a56886e705a8df17f232da196c4a92bb4a852915a0611e7dfbfd"`
[INFO] [stdout] 562f580e00b4a56886e705a8df17f232da196c4a92bb4a852915a0611e7dfbfd