[INFO] updating cached repository https://github.com/verath/loxrust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4236eba33ccc948e2c987a507a7c3cbc13db13f2
[INFO] testing verath/loxrust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverath%2Floxrust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/verath/loxrust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/verath/loxrust
[INFO] finished tweaking git repo https://github.com/verath/loxrust
[INFO] tweaked toml for git repo https://github.com/verath/loxrust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/verath/loxrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 201935aae46161fd0839965dcf75b6563754eb980c321a226f70b2deca34a1a8
[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" "201935aae46161fd0839965dcf75b6563754eb980c321a226f70b2deca34a1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "201935aae46161fd0839965dcf75b6563754eb980c321a226f70b2deca34a1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201935aae46161fd0839965dcf75b6563754eb980c321a226f70b2deca34a1a8", kill_on_drop: false }`
[INFO] [stdout] 201935aae46161fd0839965dcf75b6563754eb980c321a226f70b2deca34a1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b21890936ccddef6f88b7df125aa4fe2c6dbf9409e7a1795283fc0cb6b384a
[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" "09b21890936ccddef6f88b7df125aa4fe2c6dbf9409e7a1795283fc0cb6b384a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loxrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type ErrorCallback = Fn(u64, &str) -> ();
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, &str) -> ()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "09b21890936ccddef6f88b7df125aa4fe2c6dbf9409e7a1795283fc0cb6b384a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b21890936ccddef6f88b7df125aa4fe2c6dbf9409e7a1795283fc0cb6b384a", kill_on_drop: false }`
[INFO] [stdout] 09b21890936ccddef6f88b7df125aa4fe2c6dbf9409e7a1795283fc0cb6b384a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] ecfa06dc1c6221d5882adfc92c01f5b85d9db5bfc23dccff82e19cba1ea71961
[INFO] running `Command { std: "docker" "start" "-a" "ecfa06dc1c6221d5882adfc92c01f5b85d9db5bfc23dccff82e19cba1ea71961", kill_on_drop: false }`
[INFO] [stderr]    Compiling loxrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type ErrorCallback = Fn(u64, &str) -> ();
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, &str) -> ()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type ErrorCallback = Fn(u64, &str) -> ();
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, &str) -> ()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "ecfa06dc1c6221d5882adfc92c01f5b85d9db5bfc23dccff82e19cba1ea71961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfa06dc1c6221d5882adfc92c01f5b85d9db5bfc23dccff82e19cba1ea71961", kill_on_drop: false }`
[INFO] [stdout] ecfa06dc1c6221d5882adfc92c01f5b85d9db5bfc23dccff82e19cba1ea71961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f07a872f7dc4fd9220d80421e7d4551893d8a6560f1d74e2b51d5d9f06d57ed4
[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" "f07a872f7dc4fd9220d80421e7d4551893d8a6560f1d74e2b51d5d9f06d57ed4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type ErrorCallback = Fn(u64, &str) -> ();
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, &str) -> ()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type ErrorCallback = Fn(u64, &str) -> ();
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64, &str) -> ()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loxrust-ec7bbfc9add5ed9a
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test print::tests::test_print ... ok
[INFO] [stdout] test print::tests::test_visit_binary_expr ... ok
[INFO] [stdout] test print::tests::test_visit_unary_expr ... ok
[INFO] [stdout] test scanner::tests::test_scan_identifer ... ok
[INFO] [stdout] test scanner::tests::test_scan_keyword ... ok
[INFO] [stdout] test scanner::tests::test_scan_number ... ok
[INFO] [stdout] test print::tests::test_visit_literal_expr ... ok
[INFO] [stdout] test scanner::tests::test_scan_string ... ok
[INFO] [stdout] test scanner::tests::test_scan_tokens_twice ... ok
[INFO] [stdout] test scanner::tests::test_scan_tokens_appends_eof ... ok
[INFO] [stdout] test print::tests::test_visit_grouping_expr ... ok
[INFO] [stdout] test scanner::tests::test_had_error_failed_scan ... ok
[INFO] [stdout] test scanner::tests::test_scan_simple_tokens ... ok
[INFO] [stdout] test scanner::tests::test_had_error_ok_scan ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loxrust-0ba7c2406d1355ba
[INFO] [stdout] test scanner::tests::test_scan_tokens_unexpected_token ... ok
[INFO] [stdout] test scanner::tests::test_scan_tokens_unterminated_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 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] [stderr]    Doc-tests loxrust
[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 `Command { std: "docker" "inspect" "f07a872f7dc4fd9220d80421e7d4551893d8a6560f1d74e2b51d5d9f06d57ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07a872f7dc4fd9220d80421e7d4551893d8a6560f1d74e2b51d5d9f06d57ed4", kill_on_drop: false }`
[INFO] [stdout] f07a872f7dc4fd9220d80421e7d4551893d8a6560f1d74e2b51d5d9f06d57ed4