[INFO] fetching crate flatzinc 0.3.17...
[INFO] testing flatzinc-0.3.17 against beta-2021-05-23 for beta-1.52-2
[INFO] extracting crate flatzinc 0.3.17 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flatzinc 0.3.17 on toolchain beta-2021-05-23
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatzinc 0.3.17
[INFO] finished tweaking crates.io crate flatzinc 0.3.17
[INFO] tweaked toml for crates.io crate flatzinc 0.3.17 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate flatzinc 0.3.17 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a88a356146e80c649bf13ac479ecf78c149f937801d77dd361a775f721212b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02a88a356146e80c649bf13ac479ecf78c149f937801d77dd361a775f721212b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a88a356146e80c649bf13ac479ecf78c149f937801d77dd361a775f721212b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a88a356146e80c649bf13ac479ecf78c149f937801d77dd361a775f721212b", kill_on_drop: false }`
[INFO] [stdout] 02a88a356146e80c649bf13ac479ecf78c149f937801d77dd361a775f721212b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdbfbf041ae4a38c8674dbf7d87e5a9a346a0e4a9700356ccd40a7f994cd1ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ecdbfbf041ae4a38c8674dbf7d87e5a9a346a0e4a9700356ccd40a7f994cd1ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling stderrlog v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling flatzinc v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.40s
[INFO] running `Command { std: "docker" "inspect" "ecdbfbf041ae4a38c8674dbf7d87e5a9a346a0e4a9700356ccd40a7f994cd1ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdbfbf041ae4a38c8674dbf7d87e5a9a346a0e4a9700356ccd40a7f994cd1ac", kill_on_drop: false }`
[INFO] [stdout] ecdbfbf041ae4a38c8674dbf7d87e5a9a346a0e4a9700356ccd40a7f994cd1ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5ed3e6ce102dc506001c821647a94281c3599e7e3ccaf198ac638473c24b4e2
[INFO] running `Command { std: "docker" "start" "-a" "e5ed3e6ce102dc506001c821647a94281c3599e7e3ccaf198ac638473c24b4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatzinc v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "e5ed3e6ce102dc506001c821647a94281c3599e7e3ccaf198ac638473c24b4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ed3e6ce102dc506001c821647a94281c3599e7e3ccaf198ac638473c24b4e2", kill_on_drop: false }`
[INFO] [stdout] e5ed3e6ce102dc506001c821647a94281c3599e7e3ccaf198ac638473c24b4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a6173f24a3139e53689f207d884b50643e4fe23783edbb701de43fb570eb51d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a6173f24a3139e53689f207d884b50643e4fe23783edbb701de43fb570eb51d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 28 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flatzinc-4d232007e596588c)
[INFO] [stdout] test pred_par_type_2 ... ok
[INFO] [stdout] test test_basic_pred_par_type ... ok
[INFO] [stdout] test test_constraint_item_2 ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_constraint_item_4 ... ok
[INFO] [stdout] test test_oct ... ok
[INFO] [stdout] test test_constraint_item ... ok
[INFO] [stdout] test test_constraint_item_3 ... ok
[INFO] [stdout] test test_comment ... ok
[INFO] [stdout] test test_hex ... ok
[INFO] [stdout] test test_expr ... ok
[INFO] [stdout] test test_par_decl_item_3 ... ok
[INFO] [stdout] test test_par_decl_item_1 ... ok
[INFO] [stdout] test test_var_decl_item_5 ... ok
[INFO] [stdout] test test_var_decl_item_3 ... ok
[INFO] [stdout] test test_var_decl_item_2 ... ok
[INFO] [stdout] test test_par_type ... ok
[INFO] [stdout] test test_pred_par_type_ident_pair ... ok
[INFO] [stdout] test test_pred_par_type ... ok
[INFO] [stdout] test test_pred_par_type_3 ... ok
[INFO] [stdout] test test_var_decl_item_1 ... ok
[INFO] [stdout] test test_string_lit ... ok
[INFO] [stdout] test test_pred_par_type_2 ... ok
[INFO] [stdout] test test_var_decl_item_4 ... ok
[INFO] [stdout] test test_solve_item ... ok
[INFO] [stdout] test test_predicate_item ... ok
[INFO] [stdout] test test_predicate_item_2 ... ok
[INFO] [stdout] test test_par_decl_item_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatzinc
[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" "7a6173f24a3139e53689f207d884b50643e4fe23783edbb701de43fb570eb51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6173f24a3139e53689f207d884b50643e4fe23783edbb701de43fb570eb51d", kill_on_drop: false }`
[INFO] [stdout] 7a6173f24a3139e53689f207d884b50643e4fe23783edbb701de43fb570eb51d