[INFO] cloning repository https://github.com/ken-matsui/mat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ken-matsui/mat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fken-matsui%2Fmat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fken-matsui%2Fmat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c519ee31e5072ea0e0ca2b32fd926347ee8a9ab
[INFO] testing ken-matsui/mat against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fken-matsui%2Fmat" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ken-matsui/mat on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ken-matsui/mat
[INFO] finished tweaking git repo https://github.com/ken-matsui/mat
[INFO] tweaked toml for git repo https://github.com/ken-matsui/mat written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ken-matsui/mat 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" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded internment v0.7.0
[INFO] [stderr]   Downloaded chumsky v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d06acfb2d4b8bc5b78cddd8e87507b21df22b5e71c432d7e2dbdf67a2855f5
[INFO] running `Command { std: "docker" "start" "-a" "e1d06acfb2d4b8bc5b78cddd8e87507b21df22b5e71c432d7e2dbdf67a2855f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d06acfb2d4b8bc5b78cddd8e87507b21df22b5e71c432d7e2dbdf67a2855f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d06acfb2d4b8bc5b78cddd8e87507b21df22b5e71c432d7e2dbdf67a2855f5", kill_on_drop: false }`
[INFO] [stdout] e1d06acfb2d4b8bc5b78cddd8e87507b21df22b5e71c432d7e2dbdf67a2855f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea81b4741d2e041713dd273f21222dfa2cf557db2f886734c40315d68bfb74d6
[INFO] running `Command { std: "docker" "start" "-a" "ea81b4741d2e041713dd273f21222dfa2cf557db2f886734c40315d68bfb74d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling anstyle-parse v0.1.1
[INFO] [stderr]    Compiling concolor-override v1.0.0
[INFO] [stderr]    Compiling anstyle v0.3.5
[INFO] [stderr]    Compiling concolor-query v0.3.3
[INFO] [stderr]    Compiling ariadne v0.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v2.0.12
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling chumsky v0.9.2
[INFO] [stderr]    Compiling internment v0.7.0
[INFO] [stderr]    Compiling is-terminal v0.4.6
[INFO] [stderr]    Compiling anstream v0.2.6
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling clap_builder v4.2.1
[INFO] [stderr]    Compiling matc_span v0.1.0 (/opt/rustwide/workdir/matc_span)
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling matc_ast v0.1.0 (/opt/rustwide/workdir/matc_ast)
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]    Compiling matc_parser v0.1.0 (/opt/rustwide/workdir/matc_parser)
[INFO] [stderr]    Compiling clap v4.2.1
[INFO] [stderr]    Compiling matc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `imports` is never read
[INFO] [stdout]   --> src/hir.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) struct Hir {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] 11 |     pub(crate) imports: Vec<Spanned<Stmt>>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hir` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_table` is never read
[INFO] [stdout]  --> src/sema/dereference_checker.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct DereferenceChecker<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 9 |     type_table: &'a TypeTable,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "ea81b4741d2e041713dd273f21222dfa2cf557db2f886734c40315d68bfb74d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea81b4741d2e041713dd273f21222dfa2cf557db2f886734c40315d68bfb74d6", kill_on_drop: false }`
[INFO] [stdout] ea81b4741d2e041713dd273f21222dfa2cf557db2f886734c40315d68bfb74d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d51b6488e1eeeaabb138f40774a4c331c579756b4e0a4b630e94b147aeac40
[INFO] running `Command { std: "docker" "start" "-a" "03d51b6488e1eeeaabb138f40774a4c331c579756b4e0a4b630e94b147aeac40", kill_on_drop: false }`
[INFO] [stderr]    Compiling matc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `imports` is never read
[INFO] [stdout]   --> src/hir.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) struct Hir {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] 11 |     pub(crate) imports: Vec<Spanned<Stmt>>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hir` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_table` is never read
[INFO] [stdout]  --> src/sema/dereference_checker.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct DereferenceChecker<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 9 |     type_table: &'a TypeTable,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "03d51b6488e1eeeaabb138f40774a4c331c579756b4e0a4b630e94b147aeac40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d51b6488e1eeeaabb138f40774a4c331c579756b4e0a4b630e94b147aeac40", kill_on_drop: false }`
[INFO] [stdout] 03d51b6488e1eeeaabb138f40774a4c331c579756b4e0a4b630e94b147aeac40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab35e9305941973dd5bf480b0c3d864e07a6da4ac1e4369cbac571791c2abc4c
[INFO] running `Command { std: "docker" "start" "-a" "ab35e9305941973dd5bf480b0c3d864e07a6da4ac1e4369cbac571791c2abc4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field `imports` is never read
[INFO] [stderr]   --> src/hir.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub(crate) struct Hir {
[INFO] [stderr]    |                   --- field in this struct
[INFO] [stderr] 11 |     pub(crate) imports: Vec<Spanned<Stmt>>,
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hir` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `type_table` is never read
[INFO] [stderr]  --> src/sema/dereference_checker.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub(crate) struct DereferenceChecker<'a> {
[INFO] [stderr]   |                   ------------------ field in this struct
[INFO] [stderr] 9 |     type_table: &'a TypeTable,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `matc` (bin "matc" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matc-b918a4185ca089e4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test sema::local_resolver::tests::test_visit_block ... ok
[INFO] [stdout] test sema::local_resolver::tests::test_define_entities ... ok
[INFO] [stdout] test sema::type_table::tests::test_check_recursive_definition_ok ... ok
[INFO] [stdout] test sema::type_table::tests::test_check_recursive_definition_err ... ok
[INFO] [stdout] test sema::local_resolver::tests::test_visit_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab35e9305941973dd5bf480b0c3d864e07a6da4ac1e4369cbac571791c2abc4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab35e9305941973dd5bf480b0c3d864e07a6da4ac1e4369cbac571791c2abc4c", kill_on_drop: false }`
[INFO] [stdout] ab35e9305941973dd5bf480b0c3d864e07a6da4ac1e4369cbac571791c2abc4c