[INFO] fetching crate biblatex 0.4.2...
[INFO] testing biblatex-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate biblatex 0.4.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate biblatex 0.4.2 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 biblatex 0.4.2
[INFO] finished tweaking crates.io crate biblatex 0.4.2
[INFO] tweaked toml for crates.io crate biblatex 0.4.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 32bb010351a00ac7a951b5509561924200f762563990961b596ea3a141e60e86
[INFO] running `Command { std: "docker" "start" "-a" "32bb010351a00ac7a951b5509561924200f762563990961b596ea3a141e60e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32bb010351a00ac7a951b5509561924200f762563990961b596ea3a141e60e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bb010351a00ac7a951b5509561924200f762563990961b596ea3a141e60e86", kill_on_drop: false }`
[INFO] [stdout] 32bb010351a00ac7a951b5509561924200f762563990961b596ea3a141e60e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4111451c757636ba05db0fe74e1e23124117325ebd7e666f59cef4add344ae8a
[INFO] running `Command { std: "docker" "start" "-a" "4111451c757636ba05db0fe74e1e23124117325ebd7e666f59cef4add344ae8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling numerals v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling biblatex v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `PagesRequired`
[INFO] [stdout]    --> src/mechanics.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     PagesRequired,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "4111451c757636ba05db0fe74e1e23124117325ebd7e666f59cef4add344ae8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4111451c757636ba05db0fe74e1e23124117325ebd7e666f59cef4add344ae8a", kill_on_drop: false }`
[INFO] [stdout] 4111451c757636ba05db0fe74e1e23124117325ebd7e666f59cef4add344ae8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4106e7c6f792fd6eadc8e4639a5a3ac173ab0fbc5ad979cfc47f6e2c28edaa14
[INFO] running `Command { std: "docker" "start" "-a" "4106e7c6f792fd6eadc8e4639a5a3ac173ab0fbc5ad979cfc47f6e2c28edaa14", kill_on_drop: false }`
[INFO] [stderr]    Compiling biblatex v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `PagesRequired`
[INFO] [stdout]    --> src/mechanics.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     PagesRequired,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PagesRequired`
[INFO] [stdout]    --> src/mechanics.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     PagesRequired,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "4106e7c6f792fd6eadc8e4639a5a3ac173ab0fbc5ad979cfc47f6e2c28edaa14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4106e7c6f792fd6eadc8e4639a5a3ac173ab0fbc5ad979cfc47f6e2c28edaa14", kill_on_drop: false }`
[INFO] [stdout] 4106e7c6f792fd6eadc8e4639a5a3ac173ab0fbc5ad979cfc47f6e2c28edaa14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 681076405d29de892439530f8453f657f81a274e7fc759ea8d66239fc83000b8
[INFO] running `Command { std: "docker" "start" "-a" "681076405d29de892439530f8453f657f81a274e7fc759ea8d66239fc83000b8", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `PagesRequired`
[INFO] [stderr]    --> src/mechanics.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     PagesRequired,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `biblatex` (lib) generated 1 warning
[INFO] [stderr] warning: `biblatex` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/biblatex-fbefe55c9dd9cf4e)
[INFO] [stdout] running 31 tests
[INFO] [stdout] test resolve::tests::test_process ... ok
[INFO] [stdout] test resolve::tests::test_resolve_commands_and_escape ... ok
[INFO] [stdout] test resolve::tests::test_first_escape ... ok
[INFO] [stdout] test resolve::tests::test_raw_year ... ok
[INFO] [stdout] test raw::tests::test_resolve_string ... ok
[INFO] [stdout] test raw::tests::test_escape ... ok
[INFO] [stdout] test chunk::tests::test_split ... ok
[INFO] [stdout] test chunk::tests::test_split_at_normal_char ... ok
[INFO] [stdout] test raw::tests::test_parse_article ... ok
[INFO] [stdout] test tests::test_alias ... ok
[INFO] [stdout] test tests::test_bibtex_conversion ... ok
[INFO] [stdout] test resolve::tests::test_nested_commands ... ok
[INFO] [stdout] test resolve::tests::test_commands ... ok
[INFO] [stdout] test resolve::tests::test_resolve_strings ... ok
[INFO] [stdout] test chunk::tests::test_chars_iterator ... ok
[INFO] [stdout] test tests::test_crossref ... ok
[INFO] [stdout] test resolve::tests::test_math ... ok
[INFO] [stdout] test types::person::tests::person_with_command ... ok
[INFO] [stdout] test tests::test_verify ... ok
[INFO] [stdout] test types::person::tests::test_person_no_comma ... ok
[INFO] [stdout] test types::date::tests::test_parse_datetime ... ok
[INFO] [stdout] test types::date::tests::test_parse_date ... ok
[INFO] [stdout] test tests::test_rass_report ... ok
[INFO] [stdout] test types::person::tests::test_person_comma ... ok
[INFO] [stdout] test types::tests::test_ranges ... ok
[INFO] [stdout] test types::person::tests::test_person_two_comma ... ok
[INFO] [stdout] test tests::test_ds_report ... ok
[INFO] [stdout] test types::date::tests::test_parse_date_from_three_fields ... ok
[INFO] [stderr]    Doc-tests biblatex
[INFO] [stdout] test tests::test_gral_paper ... ok
[INFO] [stdout] test tests::test_polar_report ... ok
[INFO] [stdout] test tests::test_libra_paper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "681076405d29de892439530f8453f657f81a274e7fc759ea8d66239fc83000b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681076405d29de892439530f8453f657f81a274e7fc759ea8d66239fc83000b8", kill_on_drop: false }`
[INFO] [stdout] 681076405d29de892439530f8453f657f81a274e7fc759ea8d66239fc83000b8