[INFO] fetching crate rdg 0.1.0...
[INFO] testing rdg-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rdg 0.1.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate rdg 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdg 0.1.0
[INFO] finished tweaking crates.io crate rdg 0.1.0
[INFO] tweaked toml for crates.io crate rdg 0.1.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate rdg 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b72cd63104b3c33c4c228abf9371b57a59151d86604236f8b2518cd86226b552
[INFO] running `Command { std: "docker" "start" "-a" "b72cd63104b3c33c4c228abf9371b57a59151d86604236f8b2518cd86226b552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b72cd63104b3c33c4c228abf9371b57a59151d86604236f8b2518cd86226b552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72cd63104b3c33c4c228abf9371b57a59151d86604236f8b2518cd86226b552", kill_on_drop: false }`
[INFO] [stdout] b72cd63104b3c33c4c228abf9371b57a59151d86604236f8b2518cd86226b552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ca862d865172ef8a339c96256daa082bf33f6b0d72864de8634a2d6b7cb9a3
[INFO] running `Command { std: "docker" "start" "-a" "f5ca862d865172ef8a339c96256daa082bf33f6b0d72864de8634a2d6b7cb9a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling rdg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.34s
[INFO] running `Command { std: "docker" "inspect" "f5ca862d865172ef8a339c96256daa082bf33f6b0d72864de8634a2d6b7cb9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ca862d865172ef8a339c96256daa082bf33f6b0d72864de8634a2d6b7cb9a3", kill_on_drop: false }`
[INFO] [stdout] f5ca862d865172ef8a339c96256daa082bf33f6b0d72864de8634a2d6b7cb9a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d5e76d46706f6230fe5d40517a2036685c1211b96f9c4b8bd9736b01f82264
[INFO] running `Command { std: "docker" "start" "-a" "39d5e76d46706f6230fe5d40517a2036685c1211b96f9c4b8bd9736b01f82264", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "39d5e76d46706f6230fe5d40517a2036685c1211b96f9c4b8bd9736b01f82264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d5e76d46706f6230fe5d40517a2036685c1211b96f9c4b8bd9736b01f82264", kill_on_drop: false }`
[INFO] [stdout] 39d5e76d46706f6230fe5d40517a2036685c1211b96f9c4b8bd9736b01f82264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1ee922e09289cd783a610ad240a738edf7df0c9141c8560582646a2e14dcbdd
[INFO] running `Command { std: "docker" "start" "-a" "b1ee922e09289cd783a610ad240a738edf7df0c9141c8560582646a2e14dcbdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rdg-737f89d862e09eb2)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test pattern::tests::can_parse_as_brackets_invalid ... ok
[INFO] [stdout] test pattern::tests::can_parse_as_literal_invalid ... ok
[INFO] [stdout] test pattern::tests::can_parse_as_literal_valid ... ok
[INFO] [stdout] test pattern::tests::can_parse_as_parentheses_invalid ... ok
[INFO] [stdout] test pattern::tests::can_parse_as_parentheses_valid ... ok
[INFO] [stdout] test pattern::tests::check_find_parentheses_boundaries_invalid ... ok
[INFO] [stdout] test pattern::tests::check_find_parentheses_boundaries_valid ... ok
[INFO] [stdout] test pattern::tests::check_non_special_characters ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_brackets ... ok
[INFO] [stdout] test pattern::tests::can_parse_as_brackets_valid ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_brackets_with_quantifier_extra_pattern ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_brackets_with_quantifier ... ok
[INFO] [stdout] test pattern::tests::check_pop_quantifier ... ok
[INFO] [stdout] test pattern::tests::check_expand_ranges ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_literal ... ok
[INFO] [stdout] test pattern::tests::check_special_characters ... ok
[INFO] [stdout] test pattern::tests::check_unescape ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_parentheses ... ok
[INFO] [stdout] test pattern::tests::check_seek_to_unescaped ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_parentheses_additional_pattern ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_literal_with_another ... ok
[INFO] [stdout] test pattern::tests::check_split_at_positions ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_parentheses_quantifier ... ok
[INFO] [stdout] test pattern::tests::check_pop_subpattern_invalid ... ok
[INFO] [stdout] test pattern::tests::parse_valid_compound_pattern_detail ... ok
[INFO] [stdout] test pattern::tests::parse_valid_literal_pattern ... ok
[INFO] [stdout] test pattern::tests::parse_invalid_pattern_battery ... ok
[INFO] [stdout] test pattern::tests::parse_valid_parentheses_pattern_with_escape ... ok
[INFO] [stdout] test pattern::tests::parse_valid_parentheses_pattern_with_quantifier ... ok
[INFO] [stdout] test pattern::tests::parse_valid_parentheses_pattern ... ok
[INFO] [stdout] test pattern::tests::parse_valid_compound_pattern_battery ... ok
[INFO] [stdout] test sample::tests::check_random_uniform_bounds ... ok
[INFO] [stdout] test sample::tests::integer_sampling_respects_bounds ... ok
[INFO] [stdout] test sample::tests::string_sample ... ok
[INFO] [stdout] test sample::tests::float_sampling_respects_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1ee922e09289cd783a610ad240a738edf7df0c9141c8560582646a2e14dcbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ee922e09289cd783a610ad240a738edf7df0c9141c8560582646a2e14dcbdd", kill_on_drop: false }`
[INFO] [stdout] b1ee922e09289cd783a610ad240a738edf7df0c9141c8560582646a2e14dcbdd