[INFO] cloning repository https://github.com/snewcomer/lang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snewcomer/lang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd89f0bb4aeb1cd129b0da346b6ec60c41c577c8
[INFO] testing snewcomer/lang-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snewcomer/lang-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snewcomer/lang-rs
[INFO] finished tweaking git repo https://github.com/snewcomer/lang-rs
[INFO] tweaked toml for git repo https://github.com/snewcomer/lang-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/snewcomer/lang-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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-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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e9fa45dd473b2b4da37044135d8799405ff7feafc2a3eaa57a95dd3f0cd9da
[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" "49e9fa45dd473b2b4da37044135d8799405ff7feafc2a3eaa57a95dd3f0cd9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e9fa45dd473b2b4da37044135d8799405ff7feafc2a3eaa57a95dd3f0cd9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e9fa45dd473b2b4da37044135d8799405ff7feafc2a3eaa57a95dd3f0cd9da", kill_on_drop: false }`
[INFO] [stdout] 49e9fa45dd473b2b4da37044135d8799405ff7feafc2a3eaa57a95dd3f0cd9da
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8531965caa1974cea9462b6d30e76072f47748a9be71981f92809df0ae5fb05f
[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" "8531965caa1974cea9462b6d30e76072f47748a9be71981f92809df0ae5fb05f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.10.0
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling expect-test v1.1.0
[INFO] [stderr]    Compiling triomphe v0.1.2
[INFO] [stderr]    Compiling rowan v0.10.5
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling lang-rs-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.96s
[INFO] running `Command { std: "docker" "inspect" "8531965caa1974cea9462b6d30e76072f47748a9be71981f92809df0ae5fb05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8531965caa1974cea9462b6d30e76072f47748a9be71981f92809df0ae5fb05f", kill_on_drop: false }`
[INFO] [stdout] 8531965caa1974cea9462b6d30e76072f47748a9be71981f92809df0ae5fb05f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213c2bbdd0b5cd573c696a04068d1baf3ed6ac3e7857a2a49e736d504309e1a8
[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" "213c2bbdd0b5cd573c696a04068d1baf3ed6ac3e7857a2a49e736d504309e1a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang-rs-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "213c2bbdd0b5cd573c696a04068d1baf3ed6ac3e7857a2a49e736d504309e1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213c2bbdd0b5cd573c696a04068d1baf3ed6ac3e7857a2a49e736d504309e1a8", kill_on_drop: false }`
[INFO] [stdout] 213c2bbdd0b5cd573c696a04068d1baf3ed6ac3e7857a2a49e736d504309e1a8
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5faab26d1b1408dfb2e71dde5ec05d34488c6c61e9db7f6bc66488ee8e49b7be
[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" "5faab26d1b1408dfb2e71dde5ec05d34488c6c61e9db7f6bc66488ee8e49b7be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang_rs_2-afaab2b2c525abcb)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test lexer::tests::lex_alphanumeric_identifier ... ok
[INFO] [stdout] test lexer::tests::lex_comment ... ok
[INFO] [stdout] test lexer::tests::lex_alphabetic_identifier ... ok
[INFO] [stdout] test lexer::tests::lex_left_brace ... ok
[INFO] [stdout] test lexer::tests::lex_right_brace ... ok
[INFO] [stdout] test lexer::tests::lex_right_paren ... ok
[INFO] [stdout] test lexer::tests::lex_single_char_identifier ... ok
[INFO] [stdout] test lexer::tests::lex_slash ... ok
[INFO] [stdout] test lexer::tests::lex_plus ... ok
[INFO] [stdout] test lexer::tests::lex_number ... ok
[INFO] [stdout] test lexer::tests::lex_minus ... ok
[INFO] [stdout] test lexer::tests::lex_let_keyword ... ok
[INFO] [stdout] test parser::expr::tests::parse_left_associative_binary_expression ... ok
[INFO] [stdout] test parser::expr::tests::parse_negation ... ok
[INFO] [stdout] test lexer::tests::lex_fn_keyword ... ok
[INFO] [stdout] test parser::expr::tests::parse_nested_parentheses ... ok
[INFO] [stdout] test lexer::tests::lex_equals ... ok
[INFO] [stdout] test parser::expr::tests::parse_number ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_followed_by_whitespace ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_surrounded_by_whitespace ... ok
[INFO] [stdout] test parser::expr::tests::parse_binary_expression_with_whitespace ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_preceded_by_whitespace ... ok
[INFO] [stdout] test parser::expr::tests::parse_simple_binary_expression ... ok
[INFO] [stdout] test parser::expr::tests::parse_variable_ref ... ok
[INFO] [stdout] test parser::tests::parse_comment ... ok
[INFO] [stdout] test parser::tests::parse_nothing ... ok
[INFO] [stdout] test parser::tests::parse_whitespace ... ok
[INFO] [stdout] test lexer::tests::lex_star ... ok
[INFO] [stdout] test lexer::tests::lex_mixed_case_identifier ... ok
[INFO] [stdout] test lexer::tests::lex_spaces ... ok
[INFO] [stdout] test lexer::tests::lex_spaces_and_newlines ... ok
[INFO] [stdout] test parser::expr::tests::negation_has_higher_binding_power_than_infix_operators ... ok
[INFO] [stdout] test parser::expr::tests::parse_binary_expression_interspersed_with_comments ... ok
[INFO] [stdout] test parser::expr::tests::parse_binary_expression_with_mixed_binding_power ... ok
[INFO] [stdout] test lexer::tests::lex_left_paren ... ok
[INFO] [stdout] test parser::expr::tests::parentheses_affect_precedence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang_rs_2-2a9b0063d3adbbf5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lang-rs-2
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5faab26d1b1408dfb2e71dde5ec05d34488c6c61e9db7f6bc66488ee8e49b7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faab26d1b1408dfb2e71dde5ec05d34488c6c61e9db7f6bc66488ee8e49b7be", kill_on_drop: false }`
[INFO] [stdout] 5faab26d1b1408dfb2e71dde5ec05d34488c6c61e9db7f6bc66488ee8e49b7be