[INFO] updating cached repository https://github.com/haumea-lang/haumea-rs
[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] b50ebe11ad0ec2e2b702016790b48c09c3950761
[INFO] testing haumea-lang/haumea-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaumea-lang%2Fhaumea-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haumea-lang/haumea-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haumea-lang/haumea-rs
[INFO] finished tweaking git repo https://github.com/haumea-lang/haumea-rs
[INFO] tweaked toml for git repo https://github.com/haumea-lang/haumea-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/haumea-lang/haumea-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e23a5661f390dc2e798784f71c64eb38358e5af0cc8d95ba7577c3195a00e7c0
[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" "e23a5661f390dc2e798784f71c64eb38358e5af0cc8d95ba7577c3195a00e7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e23a5661f390dc2e798784f71c64eb38358e5af0cc8d95ba7577c3195a00e7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23a5661f390dc2e798784f71c64eb38358e5af0cc8d95ba7577c3195a00e7c0", kill_on_drop: false }`
[INFO] [stdout] e23a5661f390dc2e798784f71c64eb38358e5af0cc8d95ba7577c3195a00e7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb70cdadb8a2425eb3d68def3ad72e24238a58248466efc3dd7d8a5af2078f1
[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" "ccb70cdadb8a2425eb3d68def3ad72e24238a58248466efc3dd7d8a5af2078f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling haumea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stdout]     |                ----^^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:339:18
[INFO] [stdout]     |
[INFO] [stdout] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stdout]     |                  ----^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "ccb70cdadb8a2425eb3d68def3ad72e24238a58248466efc3dd7d8a5af2078f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb70cdadb8a2425eb3d68def3ad72e24238a58248466efc3dd7d8a5af2078f1", kill_on_drop: false }`
[INFO] [stdout] ccb70cdadb8a2425eb3d68def3ad72e24238a58248466efc3dd7d8a5af2078f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 8029d1f51c9447274a24dfc055287db1d0eea52f0c241ddff81afe5815a898ca
[INFO] running `Command { std: "docker" "start" "-a" "8029d1f51c9447274a24dfc055287db1d0eea52f0c241ddff81afe5815a898ca", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stdout]     |                ----^^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling haumea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:339:18
[INFO] [stdout]     |
[INFO] [stdout] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stdout]     |                  ----^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stdout]     |                ----^^^^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:339:18
[INFO] [stdout]     |
[INFO] [stdout] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stdout]     |                  ----^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "8029d1f51c9447274a24dfc055287db1d0eea52f0c241ddff81afe5815a898ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8029d1f51c9447274a24dfc055287db1d0eea52f0c241ddff81afe5815a898ca", kill_on_drop: false }`
[INFO] [stdout] 8029d1f51c9447274a24dfc055287db1d0eea52f0c241ddff81afe5815a898ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d4f0b1a37a1b48e6427617b25712d2c9f6172d322a529cad8484cd26366a4da
[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" "1d4f0b1a37a1b48e6427617b25712d2c9f6172d322a529cad8484cd26366a4da", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/parser.rs:179:16
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stdout] 
[INFO] [stderr]     |                ----^^^^^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:339:18
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stderr]     |                  ----^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:179:16
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stderr]     |                ----^^^^^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:339:18
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stderr]     |                  ----^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/haumea-72a126d45eff25a2
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/haumea-16972174552176c5
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_codegen-17741337f025a161
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_parser-12beeea18de0e3d3
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_scanner-c5c9328a8445b323
[INFO] [stdout] test test_display_addition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests haumea
[INFO] [stdout] test test_keywords ... ok
[INFO] [stdout] test test_scanner_simple ... ok
[INFO] [stdout] test test_comments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/scanner.rs - scanner::Scanner::next (line 325) ... FAILED
[INFO] [stdout] test src/scanner.rs - scanner::Scanner::new (line 126) ... ok
[INFO] [stdout] test src/scanner.rs - scanner::Scanner::next_token (line 156) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/scanner.rs - scanner::Scanner::next (line 325) stdout ----
[INFO] [stdout] error[E0596]: cannot borrow `s` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/scanner.rs:328:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |  let s = Scanner::new("1 + 1");
[INFO] [stdout]   |      - help: consider changing this to be mutable: `mut s`
[INFO] [stdout] 6 |  assert_eq!(s.next(), Some(Token::Number(1, ScanState::empty())));
[INFO] [stdout]   |             ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `s` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/scanner.rs:329:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |  let s = Scanner::new("1 + 1");
[INFO] [stdout]   |      - help: consider changing this to be mutable: `mut s`
[INFO] [stdout] 6 |  assert_eq!(s.next(), Some(Token::Number(1, ScanState::empty())));
[INFO] [stdout] 7 |  assert_eq!(s.next(), Some(Token::Operator("+".to_string(), ScanState::empty())));
[INFO] [stdout]   |             ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `s` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/scanner.rs:330:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |  let s = Scanner::new("1 + 1");
[INFO] [stdout]   |      - help: consider changing this to be mutable: `mut s`
[INFO] [stdout] ...
[INFO] [stdout] 8 |  assert_eq!(s.next(), Some(Token::Number(1, ScanState::empty())));
[INFO] [stdout]   |             ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `s` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/scanner.rs:331:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |  let s = Scanner::new("1 + 1");
[INFO] [stdout]   |      - help: consider changing this to be mutable: `mut s`
[INFO] [stdout] ...
[INFO] [stdout] 9 |  assert_eq!(s.next(), None);
[INFO] [stdout]   |             ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/scanner.rs - scanner::Scanner::next (line 325)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1d4f0b1a37a1b48e6427617b25712d2c9f6172d322a529cad8484cd26366a4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4f0b1a37a1b48e6427617b25712d2c9f6172d322a529cad8484cd26366a4da", kill_on_drop: false }`
[INFO] [stdout] 1d4f0b1a37a1b48e6427617b25712d2c9f6172d322a529cad8484cd26366a4da