[INFO] updating cached repository https://github.com/syusui-s/rrr
[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] 26a146124809abc26695729ceebfb240ade0c842
[INFO] testing syusui-s/rrr against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyusui-s%2Frrr" "/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/syusui-s/rrr 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/syusui-s/rrr
[INFO] finished tweaking git repo https://github.com/syusui-s/rrr
[INFO] tweaked toml for git repo https://github.com/syusui-s/rrr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/syusui-s/rrr 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] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stdout] 2c9587c2409d12f9c12b9ae6ba141811cbc947d1daaa784dcacb795d7652dbd1
[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" "2c9587c2409d12f9c12b9ae6ba141811cbc947d1daaa784dcacb795d7652dbd1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rrr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Fixnum`
[INFO] [stderr]  --> src/ast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fixnum(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinOpTree`
[INFO] [stderr]   --> src/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     BinOpTree(Box<BinOpTree>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_utf8`
[INFO] [stderr]   --> src/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn from_utf8(ary: &[u8]) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn from_str(input: &str) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_literal`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_literal(lit: &Literal) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_term`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_term(term: &Term) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_optree`
[INFO] [stderr]   --> src/parser.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_optree<'a>(tree: &'a BinOpTree) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "2c9587c2409d12f9c12b9ae6ba141811cbc947d1daaa784dcacb795d7652dbd1"`
[INFO] running `"docker" "rm" "-f" "2c9587c2409d12f9c12b9ae6ba141811cbc947d1daaa784dcacb795d7652dbd1"`
[INFO] [stdout] 2c9587c2409d12f9c12b9ae6ba141811cbc947d1daaa784dcacb795d7652dbd1
[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] [stdout] 5016318cc7c8017189b96a871076a9cf162db2d14956f5a24dbfb44bfb2ec830
[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" "5016318cc7c8017189b96a871076a9cf162db2d14956f5a24dbfb44bfb2ec830"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rrr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Fixnum`
[INFO] [stderr]  --> src/ast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fixnum(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinOpTree`
[INFO] [stderr]   --> src/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     BinOpTree(Box<BinOpTree>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_utf8`
[INFO] [stderr]   --> src/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn from_utf8(ary: &[u8]) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn from_str(input: &str) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_literal`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_literal(lit: &Literal) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_term`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_term(term: &Term) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_optree`
[INFO] [stderr]   --> src/parser.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_optree<'a>(tree: &'a BinOpTree) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_literal`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_literal(lit: &Literal) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_term`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_term(term: &Term) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_optree`
[INFO] [stderr]   --> src/parser.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_optree<'a>(tree: &'a BinOpTree) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "5016318cc7c8017189b96a871076a9cf162db2d14956f5a24dbfb44bfb2ec830"`
[INFO] running `"docker" "rm" "-f" "5016318cc7c8017189b96a871076a9cf162db2d14956f5a24dbfb44bfb2ec830"`
[INFO] [stdout] 5016318cc7c8017189b96a871076a9cf162db2d14956f5a24dbfb44bfb2ec830
[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] 0f93fbdb8535414e2a9c1a22ba5fd493ef0c9f9909759c4ef361223261504e01
[INFO] running `"docker" "start" "-a" "0f93fbdb8535414e2a9c1a22ba5fd493ef0c9f9909759c4ef361223261504e01"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variant is never constructed: `Fixnum`
[INFO] [stderr]  --> src/ast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fixnum(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinOpTree`
[INFO] [stderr]   --> src/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     BinOpTree(Box<BinOpTree>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_utf8`
[INFO] [stderr]   --> src/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn from_utf8(ary: &[u8]) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn from_str(input: &str) -> Result<Self, &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_literal`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_literal(lit: &Literal) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_term`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_term(term: &Term) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_optree`
[INFO] [stderr]   --> src/parser.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_optree<'a>(tree: &'a BinOpTree) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_literal`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_literal(lit: &Literal) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_term`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_term(term: &Term) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_optree`
[INFO] [stderr]   --> src/parser.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_optree<'a>(tree: &'a BinOpTree) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rrr-7e2b94726f81880c
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test parser::test::bin_digit_matches_binary_value ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_hex_value_max ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_octet_value_prefixed_upcase ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_hex_value ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_one ... ok
[INFO] [stdout] test parser::test::lit_fixnum_not_matches_hex_value_invalid ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_octet_value_prefixed ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_zero ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_octet_value ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_negative_value ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_integer_value ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_hex_value_prefixed_upcase ... ok
[INFO] [stdout] test ast::tests::binop_type_from_utf8 ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_binary_value ... ok
[INFO] [stdout] test parser::test::binop_tree_matches_addition ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_hex_value_negative ... ok
[INFO] [stdout] test parser::test::lit_fixnum_matches_binary_value_prefixed_upcase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rrr-a8f14960e5087845
[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 rrr
[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" "0f93fbdb8535414e2a9c1a22ba5fd493ef0c9f9909759c4ef361223261504e01"`
[INFO] running `"docker" "rm" "-f" "0f93fbdb8535414e2a9c1a22ba5fd493ef0c9f9909759c4ef361223261504e01"`
[INFO] [stdout] 0f93fbdb8535414e2a9c1a22ba5fd493ef0c9f9909759c4ef361223261504e01