[INFO] updating cached repository https://github.com/mdenchev/langlang
[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] f9caa02da4af1c77ccca047b8bc77e71a553104f
[INFO] testing mdenchev/langlang against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdenchev%2Flanglang" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdenchev/langlang 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/mdenchev/langlang
[INFO] finished tweaking git repo https://github.com/mdenchev/langlang
[INFO] tweaked toml for git repo https://github.com/mdenchev/langlang written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mdenchev/langlang already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b84fea9954e6728679cb0e4d31e8aa45cc7e8c9217d62fc60cc79f846ee74328
[INFO] running `"docker" "start" "-a" "b84fea9954e6728679cb0e4d31e8aa45cc7e8c9217d62fc60cc79f846ee74328"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling langlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "b84fea9954e6728679cb0e4d31e8aa45cc7e8c9217d62fc60cc79f846ee74328"`
[INFO] running `"docker" "rm" "-f" "b84fea9954e6728679cb0e4d31e8aa45cc7e8c9217d62fc60cc79f846ee74328"`
[INFO] [stdout] b84fea9954e6728679cb0e4d31e8aa45cc7e8c9217d62fc60cc79f846ee74328
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 54c79d15cb617f152f0b10ee0683e9f0e7965e54512f820f330a3bb43747e6d9
[INFO] running `"docker" "start" "-a" "54c79d15cb617f152f0b10ee0683e9f0e7965e54512f820f330a3bb43747e6d9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling langlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "54c79d15cb617f152f0b10ee0683e9f0e7965e54512f820f330a3bb43747e6d9"`
[INFO] running `"docker" "rm" "-f" "54c79d15cb617f152f0b10ee0683e9f0e7965e54512f820f330a3bb43747e6d9"`
[INFO] [stdout] 54c79d15cb617f152f0b10ee0683e9f0e7965e54512f820f330a3bb43747e6d9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2ceee22a2f1bb31f78c07314fac9c2511f11b7f964b3e8eff655fa8dd2a0310f
[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" "2ceee22a2f1bb31f78c07314fac9c2511f11b7f964b3e8eff655fa8dd2a0310f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/langlang-0ce6b3f5ab054311
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lexer::test::test_comment ... ok
[INFO] [stdout] test lexer::test::test_numeric ... ok
[INFO] [stdout] test lexer::test::test_eof ... ok
[INFO] [stdout] test lexer::test::test_def ... ok
[INFO] [stdout] test lexer::test::test_ident ... ok
[INFO] [stdout] test lexer::test::test_numeric_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/langlang-40250c6e582365f0
[INFO] [stderr]    Doc-tests langlang
[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] [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" "2ceee22a2f1bb31f78c07314fac9c2511f11b7f964b3e8eff655fa8dd2a0310f"`
[INFO] running `"docker" "rm" "-f" "2ceee22a2f1bb31f78c07314fac9c2511f11b7f964b3e8eff655fa8dd2a0310f"`
[INFO] [stdout] 2ceee22a2f1bb31f78c07314fac9c2511f11b7f964b3e8eff655fa8dd2a0310f