[INFO] fetching crate ligature-test-suite 0.1.0...
[INFO] testing ligature-test-suite-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ligature-test-suite 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ligature-test-suite 0.1.0
[INFO] finished tweaking crates.io crate ligature-test-suite 0.1.0
[INFO] tweaked toml for crates.io crate ligature-test-suite 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ligature-test-suite 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding ligature v0.5.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ligature v0.5.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f3bfa3b45f7ea53123dc72e2d481e8fca80b0993d3de670e69e3f47ca66b18
[INFO] running `Command { std: "docker" "start" "-a" "f0f3bfa3b45f7ea53123dc72e2d481e8fca80b0993d3de670e69e3f47ca66b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f3bfa3b45f7ea53123dc72e2d481e8fca80b0993d3de670e69e3f47ca66b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f3bfa3b45f7ea53123dc72e2d481e8fca80b0993d3de670e69e3f47ca66b18", kill_on_drop: false }`
[INFO] [stdout] f0f3bfa3b45f7ea53123dc72e2d481e8fca80b0993d3de670e69e3f47ca66b18
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e44fcddfd769682bd731a32c34d1f0edec0c228155603f4b1e7f5755f0e7034
[INFO] running `Command { std: "docker" "start" "-a" "8e44fcddfd769682bd731a32c34d1f0edec0c228155603f4b1e7f5755f0e7034", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling ligature v0.5.0
[INFO] [stderr]    Compiling ligature-test-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LigatureTestSuite {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "8e44fcddfd769682bd731a32c34d1f0edec0c228155603f4b1e7f5755f0e7034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e44fcddfd769682bd731a32c34d1f0edec0c228155603f4b1e7f5755f0e7034", kill_on_drop: false }`
[INFO] [stdout] 8e44fcddfd769682bd731a32c34d1f0edec0c228155603f4b1e7f5755f0e7034
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfba5b56e521df93c2838ed35c1c522f46a192679ee93ca932aa86391d198c9c
[INFO] running `Command { std: "docker" "start" "-a" "dfba5b56e521df93c2838ed35c1c522f46a192679ee93ca932aa86391d198c9c", kill_on_drop: false }`
[INFO] [stdout] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LigatureTestSuite {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ligature-test-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LigatureTestSuite {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "dfba5b56e521df93c2838ed35c1c522f46a192679ee93ca932aa86391d198c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfba5b56e521df93c2838ed35c1c522f46a192679ee93ca932aa86391d198c9c", kill_on_drop: false }`
[INFO] [stdout] dfba5b56e521df93c2838ed35c1c522f46a192679ee93ca932aa86391d198c9c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e844b9f5037b06aa18020a14302bcc9d96e78727fd83ce6c58381bfabae347e
[INFO] running `Command { std: "docker" "start" "-a" "7e844b9f5037b06aa18020a14302bcc9d96e78727fd83ce6c58381bfabae347e", kill_on_drop: false }`
[INFO] [stderr] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stderr]  --> src/lib.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct LigatureTestSuite {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ligature-test-suite` (lib) generated 1 warning
[INFO] [stderr] warning: `ligature-test-suite` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ligature_test_suite-40a0c14e8f3ef0fe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ligature_test_suite
[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" "7e844b9f5037b06aa18020a14302bcc9d96e78727fd83ce6c58381bfabae347e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e844b9f5037b06aa18020a14302bcc9d96e78727fd83ce6c58381bfabae347e", kill_on_drop: false }`
[INFO] [stdout] 7e844b9f5037b06aa18020a14302bcc9d96e78727fd83ce6c58381bfabae347e