[INFO] fetching crate mc-exam-randomizer 0.3.7...
[INFO] testing mc-exam-randomizer-0.3.7 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mc-exam-randomizer 0.3.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mc-exam-randomizer 0.3.7
[INFO] finished tweaking crates.io crate mc-exam-randomizer 0.3.7
[INFO] tweaked toml for crates.io crate mc-exam-randomizer 0.3.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc-exam-randomizer 0.3.7 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc-exam-randomizer 0.3.7 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d077a939ca105aa01f0ded1c9ea8abc0aeb0ade0dbc59468ae65693f658f81
[INFO] running `Command { std: "docker" "start" "-a" "70d077a939ca105aa01f0ded1c9ea8abc0aeb0ade0dbc59468ae65693f658f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d077a939ca105aa01f0ded1c9ea8abc0aeb0ade0dbc59468ae65693f658f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d077a939ca105aa01f0ded1c9ea8abc0aeb0ade0dbc59468ae65693f658f81", kill_on_drop: false }`
[INFO] [stdout] 70d077a939ca105aa01f0ded1c9ea8abc0aeb0ade0dbc59468ae65693f658f81
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 53d1ff61414ea58dc1557a2b801246406caad1571a4768afe9dcd73576a33f4e
[INFO] running `Command { std: "docker" "start" "-a" "53d1ff61414ea58dc1557a2b801246406caad1571a4768afe9dcd73576a33f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling mc-exam-randomizer v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `Command { std: "docker" "inspect" "53d1ff61414ea58dc1557a2b801246406caad1571a4768afe9dcd73576a33f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d1ff61414ea58dc1557a2b801246406caad1571a4768afe9dcd73576a33f4e", kill_on_drop: false }`
[INFO] [stdout] 53d1ff61414ea58dc1557a2b801246406caad1571a4768afe9dcd73576a33f4e
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b90338b070225774ab1ee1d989708258633f75d6fb7a3381284dcaf20f2255f1
[INFO] running `Command { std: "docker" "start" "-a" "b90338b070225774ab1ee1d989708258633f75d6fb7a3381284dcaf20f2255f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-exam-randomizer v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "b90338b070225774ab1ee1d989708258633f75d6fb7a3381284dcaf20f2255f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90338b070225774ab1ee1d989708258633f75d6fb7a3381284dcaf20f2255f1", kill_on_drop: false }`
[INFO] [stdout] b90338b070225774ab1ee1d989708258633f75d6fb7a3381284dcaf20f2255f1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f743de7fb4c9a6cf2355b2a870a67420fa319ffd1d328cb959313fdb1a98c9dc
[INFO] running `Command { std: "docker" "start" "-a" "f743de7fb4c9a6cf2355b2a870a67420fa319ffd1d328cb959313fdb1a98c9dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mc_exam_randomizer-7e7d1d011525ff3c)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test examreader::tests::read_from_csv_bad_file ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_bad_file ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_no_end_doc ... ok
[INFO] [stdout] test examreader::tests::read_from_txt_bad_file ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_no_questions ... ok
[INFO] [stdout] test examreader::tests::read_from_csv_first_is_different ... ok
[INFO] [stdout] test examreader::tests::read_from_csv_no_questions ... ok
[INFO] [stdout] test shuffler::question::tests::question_choices ... ok
[INFO] [stdout] test shuffler::question::tests::question_from ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_no_begin_doc ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_number_of_options_is_zero ... ok
[INFO] [stdout] test examreader::tests::read_from_txt_no_questions ... ok
[INFO] [stdout] test examreader::tests::read_from_txt_first_is_different ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_setting_full ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_number_of_qs ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_setting_empty ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_setting_partial ... ok
[INFO] [stdout] test shuffler::question::tests::question_text ... ok
[INFO] [stdout] test shuffler::question::tests::question_oredr ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_preamble ... ok
[INFO] [stdout] test examreader::tests::read_from_tex_number_of_options_is_five ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mc_exam_randomizer-a49e7a6d0e48bf78)
[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" "f743de7fb4c9a6cf2355b2a870a67420fa319ffd1d328cb959313fdb1a98c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f743de7fb4c9a6cf2355b2a870a67420fa319ffd1d328cb959313fdb1a98c9dc", kill_on_drop: false }`
[INFO] [stdout] f743de7fb4c9a6cf2355b2a870a67420fa319ffd1d328cb959313fdb1a98c9dc