[INFO] fetching crate vmks-exam-generator 1.3.1...
[INFO] testing vmks-exam-generator-1.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate vmks-exam-generator 1.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vmks-exam-generator 1.3.1
[INFO] finished tweaking crates.io crate vmks-exam-generator 1.3.1
[INFO] tweaked toml for crates.io crate vmks-exam-generator 1.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vmks-exam-generator 1.3.1 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] crate crates.io crate vmks-exam-generator 1.3.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded latex v0.3.1
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded clap v4.4.16
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded clap_builder v4.4.16
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e338bb2178b39158875d7bf633e2d8e70b9bd9064f36eb71d02c3c1bdff590ea
[INFO] running `Command { std: "docker" "start" "-a" "e338bb2178b39158875d7bf633e2d8e70b9bd9064f36eb71d02c3c1bdff590ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e338bb2178b39158875d7bf633e2d8e70b9bd9064f36eb71d02c3c1bdff590ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e338bb2178b39158875d7bf633e2d8e70b9bd9064f36eb71d02c3c1bdff590ea", kill_on_drop: false }`
[INFO] [stdout] e338bb2178b39158875d7bf633e2d8e70b9bd9064f36eb71d02c3c1bdff590ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2280f7cbfe1d0494d2b2977bdd3d16e95eeec1374b86d7eebc1e9677a8fe4fe2
[INFO] running `Command { std: "docker" "start" "-a" "2280f7cbfe1d0494d2b2977bdd3d16e95eeec1374b86d7eebc1e9677a8fe4fe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling clap_builder v4.4.16
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling clap v4.4.16
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling latex v0.3.1
[INFO] [stderr]    Compiling vmks-exam-generator v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "2280f7cbfe1d0494d2b2977bdd3d16e95eeec1374b86d7eebc1e9677a8fe4fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2280f7cbfe1d0494d2b2977bdd3d16e95eeec1374b86d7eebc1e9677a8fe4fe2", kill_on_drop: false }`
[INFO] [stdout] 2280f7cbfe1d0494d2b2977bdd3d16e95eeec1374b86d7eebc1e9677a8fe4fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4e725d0a4545ed2c49987126d638384f927b6274ec5b4428524f6b3681b38485
[INFO] running `Command { std: "docker" "start" "-a" "4e725d0a4545ed2c49987126d638384f927b6274ec5b4428524f6b3681b38485", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmks-exam-generator v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "4e725d0a4545ed2c49987126d638384f927b6274ec5b4428524f6b3681b38485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e725d0a4545ed2c49987126d638384f927b6274ec5b4428524f6b3681b38485", kill_on_drop: false }`
[INFO] [stdout] 4e725d0a4545ed2c49987126d638384f927b6274ec5b4428524f6b3681b38485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 53e2bb2bafb169a56dbc0ed06f98097fd444d66ce642b6c2b6de49d5b9d183dc
[INFO] running `Command { std: "docker" "start" "-a" "53e2bb2bafb169a56dbc0ed06f98097fd444d66ce642b6c2b6de49d5b9d183dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vmks_exam_generator-3b5a9d7b3eb29947)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test helpers::tests::escape_plain ... ok
[INFO] [stdout] test question_bank::tests::invalid_pick_value ... ok
[INFO] [stdout] test question_bank::tests::multiple_choice_question_txt ... ok
[INFO] [stdout] test question_bank::tests::unexpected_tag ... ok
[INFO] [stdout] test question_bank::tests::unexpected_attribute ... ok
[INFO] [stdout] test question_bank::tests::nested_variable_questions ... ok
[INFO] [stdout] test question_bank::tests::pick_too_many ... ok
[INFO] [stdout] test question_bank::tests::multiple_choice_question_latex ... ok
[INFO] [stdout] test question_bank::tests::unexpected_text ... ok
[INFO] [stdout] test question_bank::tests::variable_question_latex ... ok
[INFO] [stdout] test question_bank::tests::variable_question_txt ... ok
[INFO] [stdout] test question_bank::tests::invalid_shuffle_value ... ok
[INFO] [stdout] test question_bank::tests::replacements_latex ... ok
[INFO] [stdout] test question_bank::tests::replacements_txt ... ok
[INFO] [stdout] test helpers::tests::escape_latex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vmks_exam_generator-77c0db987929b0b9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmks_exam_generator
[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" "53e2bb2bafb169a56dbc0ed06f98097fd444d66ce642b6c2b6de49d5b9d183dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e2bb2bafb169a56dbc0ed06f98097fd444d66ce642b6c2b6de49d5b9d183dc", kill_on_drop: false }`
[INFO] [stdout] 53e2bb2bafb169a56dbc0ed06f98097fd444d66ce642b6c2b6de49d5b9d183dc