[INFO] fetching crate twilight-sparkle 0.9.0...
[INFO] testing twilight-sparkle-0.9.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate twilight-sparkle 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate twilight-sparkle 0.9.0
[INFO] finished tweaking crates.io crate twilight-sparkle 0.9.0
[INFO] tweaked toml for crates.io crate twilight-sparkle 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twilight-sparkle 0.9.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twilight-sparkle 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be257ff54401cb6b44358d73a68ce79c9cfc3dac7570c1f9033a0c950ec8cfb9
[INFO] running `Command { std: "docker" "start" "-a" "be257ff54401cb6b44358d73a68ce79c9cfc3dac7570c1f9033a0c950ec8cfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be257ff54401cb6b44358d73a68ce79c9cfc3dac7570c1f9033a0c950ec8cfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be257ff54401cb6b44358d73a68ce79c9cfc3dac7570c1f9033a0c950ec8cfb9", kill_on_drop: false }`
[INFO] [stdout] be257ff54401cb6b44358d73a68ce79c9cfc3dac7570c1f9033a0c950ec8cfb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e318434ecf27453a75ace1894d88b0cc31d89e97e082118ce7b7133d9401cd
[INFO] running `Command { std: "docker" "start" "-a" "15e318434ecf27453a75ace1894d88b0cc31d89e97e082118ce7b7133d9401cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling twilight-sparkle v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Solver` is never used
[INFO] [stdout]   --> src/parsers/lib.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait Solver {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "15e318434ecf27453a75ace1894d88b0cc31d89e97e082118ce7b7133d9401cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e318434ecf27453a75ace1894d88b0cc31d89e97e082118ce7b7133d9401cd", kill_on_drop: false }`
[INFO] [stdout] 15e318434ecf27453a75ace1894d88b0cc31d89e97e082118ce7b7133d9401cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afd88e649845e0eea57f11646f7cac1f95d2d05cbfbd2063b8d25158139c0ad
[INFO] running `Command { std: "docker" "start" "-a" "7afd88e649845e0eea57f11646f7cac1f95d2d05cbfbd2063b8d25158139c0ad", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Solver` is never used
[INFO] [stdout]   --> src/parsers/lib.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait Solver {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling twilight-sparkle v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Solver` is never used
[INFO] [stdout]   --> src/parsers/lib.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait Solver {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7afd88e649845e0eea57f11646f7cac1f95d2d05cbfbd2063b8d25158139c0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd88e649845e0eea57f11646f7cac1f95d2d05cbfbd2063b8d25158139c0ad", kill_on_drop: false }`
[INFO] [stdout] 7afd88e649845e0eea57f11646f7cac1f95d2d05cbfbd2063b8d25158139c0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 803c9ec58e0f9c25ac3794b5b06574d57f10b2bfef95bb7e5c610df9dc67c432
[INFO] running `Command { std: "docker" "start" "-a" "803c9ec58e0f9c25ac3794b5b06574d57f10b2bfef95bb7e5c610df9dc67c432", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Solver` is never used
[INFO] [stderr]   --> src/parsers/lib.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 | trait Solver {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `twilight-sparkle` (lib) generated 1 warning
[INFO] [stderr] warning: `twilight-sparkle` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/parsers/lib.rs (/opt/rustwide/target/debug/deps/parsers-6c8efc47e3dcd09f)
[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] [stderr]      Running unittests src/bin/tws.rs (/opt/rustwide/target/debug/deps/tws-d604428d6bdb1194)
[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] [stderr]    Doc-tests parsers
[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" "803c9ec58e0f9c25ac3794b5b06574d57f10b2bfef95bb7e5c610df9dc67c432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803c9ec58e0f9c25ac3794b5b06574d57f10b2bfef95bb7e5c610df9dc67c432", kill_on_drop: false }`
[INFO] [stdout] 803c9ec58e0f9c25ac3794b5b06574d57f10b2bfef95bb7e5c610df9dc67c432