[INFO] fetching crate prometheus-parser 0.4.0...
[INFO] testing prometheus-parser-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate prometheus-parser 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prometheus-parser 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-parser 0.4.0
[INFO] finished tweaking crates.io crate prometheus-parser 0.4.0
[INFO] tweaked toml for crates.io crate prometheus-parser 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate prometheus-parser 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 579d7c02be1ad913e296efe54fe9d975a0997adc294aa8ecbcfcdd33fe6537a8
[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" "579d7c02be1ad913e296efe54fe9d975a0997adc294aa8ecbcfcdd33fe6537a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579d7c02be1ad913e296efe54fe9d975a0997adc294aa8ecbcfcdd33fe6537a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579d7c02be1ad913e296efe54fe9d975a0997adc294aa8ecbcfcdd33fe6537a8", kill_on_drop: false }`
[INFO] [stdout] 579d7c02be1ad913e296efe54fe9d975a0997adc294aa8ecbcfcdd33fe6537a8
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844d642c36f75f8ce6a90a2badddc2c371256f6a48f463f32287a68e1af4c8ca
[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" "844d642c36f75f8ce6a90a2badddc2c371256f6a48f463f32287a68e1af4c8ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling enquote v1.0.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_consume_macros v1.0.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pest_consume v1.0.3
[INFO] [stderr]    Compiling prometheus-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.05s
[INFO] running `Command { std: "docker" "inspect" "844d642c36f75f8ce6a90a2badddc2c371256f6a48f463f32287a68e1af4c8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844d642c36f75f8ce6a90a2badddc2c371256f6a48f463f32287a68e1af4c8ca", kill_on_drop: false }`
[INFO] [stdout] 844d642c36f75f8ce6a90a2badddc2c371256f6a48f463f32287a68e1af4c8ca
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 944c740b5d21333b40d7ac9d2735046f3f74995d56fce845e947c31ac9f9bc0a
[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" "944c740b5d21333b40d7ac9d2735046f3f74995d56fce845e947c31ac9f9bc0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "944c740b5d21333b40d7ac9d2735046f3f74995d56fce845e947c31ac9f9bc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944c740b5d21333b40d7ac9d2735046f3f74995d56fce845e947c31ac9f9bc0a", kill_on_drop: false }`
[INFO] [stdout] 944c740b5d21333b40d7ac9d2735046f3f74995d56fce845e947c31ac9f9bc0a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf3935c9c9eda41fdaee8bd25a3bffefc08949d727104b6598cfb62485d65b61
[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" "cf3935c9c9eda41fdaee8bd25a3bffefc08949d727104b6598cfb62485d65b61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prometheus_parser-07158d7939eb7aef
[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]      Running /opt/rustwide/target/debug/deps/label_passthrough-6f9aea6fd1c6f6ac
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-b93c72223bf7c918
[INFO] [stdout] test passthrough_trivial_empty ... ok
[INFO] [stdout] test passthrough_trivial_both ... ok
[INFO] [stdout] test passthrough_matching ... ok
[INFO] [stdout] test passthrough_grouping_operator ... ok
[INFO] [stdout] test passthrough_grouping ... ok
[INFO] [stdout] test passthrough_special ... ok
[INFO] [stdout] test passthrough_trivial_label ... ok
[INFO] [stdout] test passthrough_trivial_user ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test parse_missing_quotation ... ok
[INFO] [stdout] test parse_missing_rhs ... ok
[INFO] [stdout] test parse_modulo ... ok
[INFO] [stdout] test parse_less_than ... ok
[INFO] [stdout] test parse_divide ... ok
[INFO] [stdout] test parse_parentheses ... ok
[INFO] [stdout] test parse_multiply ... ok
[INFO] [stdout] test parse_colon ... ok
[INFO] [stdout] test parse_equal ... ok
[INFO] [stdout] test parse_power ... ok
[INFO] [stdout] test parse_not_equal ... ok
[INFO] [stdout] test parse_weird_floats ... ok
[INFO] [stdout] test parse_greater_than_equal ... ok
[INFO] [stdout] test parse_trailing_comma ... ok
[INFO] [stdout] test parse_greater_than ... ok
[INFO] [stdout] test parse_less_than_equal ... ok
[INFO] [stdout] test parse_whitespace ... ok
[INFO] [stdout] test parse_and ... ok
[INFO] [stdout] test parse_comment ... ok
[INFO] [stdout] test parse_unless ... ok
[INFO] [stdout] test parse_or ... ok
[INFO] [stdout] test parse_subtract ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subquery-c9eb09e7c68ae3d8
[INFO] [stdout] test parse_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parse_selector_subquery ... ok
[INFO] [stdout] test parse_function_subquery ... ok
[INFO] [stdout] test parse_group_subquery ... ok
[INFO] [stdout] test return_value_subquery ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_parser
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/parser.rs - parser::parse_expr (line 440) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf3935c9c9eda41fdaee8bd25a3bffefc08949d727104b6598cfb62485d65b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3935c9c9eda41fdaee8bd25a3bffefc08949d727104b6598cfb62485d65b61", kill_on_drop: false }`
[INFO] [stdout] cf3935c9c9eda41fdaee8bd25a3bffefc08949d727104b6598cfb62485d65b61