[INFO] fetching crate flatzinc 0.3.14...
[INFO] testing flatzinc-0.3.14 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate flatzinc 0.3.14 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flatzinc 0.3.14 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatzinc 0.3.14
[INFO] finished tweaking crates.io crate flatzinc 0.3.14
[INFO] tweaked toml for crates.io crate flatzinc 0.3.14 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate flatzinc 0.3.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 383c2fed71f8b7dd8939d1731f55dc2f97c39714416ddf44bd0cf4f7a3959424
[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" "383c2fed71f8b7dd8939d1731f55dc2f97c39714416ddf44bd0cf4f7a3959424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383c2fed71f8b7dd8939d1731f55dc2f97c39714416ddf44bd0cf4f7a3959424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383c2fed71f8b7dd8939d1731f55dc2f97c39714416ddf44bd0cf4f7a3959424", kill_on_drop: false }`
[INFO] [stdout] 383c2fed71f8b7dd8939d1731f55dc2f97c39714416ddf44bd0cf4f7a3959424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 3e35f77d8b86fa917ae916c70d5b0f58318b4a429d3d39f3c1f24c3abdfa83a4
[INFO] running `Command { std: "docker" "start" "-a" "3e35f77d8b86fa917ae916c70d5b0f58318b4a429d3d39f3c1f24c3abdfa83a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling flatzinc v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.85s
[INFO] running `Command { std: "docker" "inspect" "3e35f77d8b86fa917ae916c70d5b0f58318b4a429d3d39f3c1f24c3abdfa83a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e35f77d8b86fa917ae916c70d5b0f58318b4a429d3d39f3c1f24c3abdfa83a4", kill_on_drop: false }`
[INFO] [stdout] 3e35f77d8b86fa917ae916c70d5b0f58318b4a429d3d39f3c1f24c3abdfa83a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3be3e7643f28ba492aa85d402a6cca3ee6fad8542ee22c6625ab79bb8a615c
[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" "ca3be3e7643f28ba492aa85d402a6cca3ee6fad8542ee22c6625ab79bb8a615c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flatzinc v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "ca3be3e7643f28ba492aa85d402a6cca3ee6fad8542ee22c6625ab79bb8a615c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3be3e7643f28ba492aa85d402a6cca3ee6fad8542ee22c6625ab79bb8a615c", kill_on_drop: false }`
[INFO] [stdout] ca3be3e7643f28ba492aa85d402a6cca3ee6fad8542ee22c6625ab79bb8a615c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 485ec5418f265922f19b6eb7d94c80a19ff4845ed9e9090ee7c1c8c071e4a08e
[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" "485ec5418f265922f19b6eb7d94c80a19ff4845ed9e9090ee7c1c8c071e4a08e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flatzinc-d43bc4780a9b2010
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test_comment ... ok
[INFO] [stdout] test test_oct ... ok
[INFO] [stdout] test test_basic_pred_par_type ... ok
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] test test_constraint_item_4 ... ok
[INFO] [stdout] test test_constraint_item_2 ... ok
[INFO] [stdout] test test_pred_par_type_3 ... ok
[INFO] [stdout] test test_par_type ... ok
[INFO] [stdout] test test_constraint_item_3 ... ok
[INFO] [stdout] test test_var_decl_item_1 ... ok
[INFO] [stdout] test test_constraint_item ... ok
[INFO] [stdout] test pred_par_type_2 ... ok
[INFO] [stdout] test test_expr ... ok
[INFO] [stdout] test test_solve_item ... ok
[INFO] [stdout] test test_hex ... ok
[INFO] [stdout] test test_predicate_item ... ok
[INFO] [stdout] test test_pred_par_type_2 ... ok
[INFO] [stdout] test test_string_lit ... ok
[INFO] [stdout] test test_par_decl_item_1 ... ok
[INFO] [stdout] test test_var_decl_item_2 ... ok
[INFO] [stdout] test test_pred_par_type ... ok
[INFO] [stdout] test test_pred_par_type_ident_pair ... ok
[INFO] [stdout] test test_var_decl_item_3 ... ok
[INFO] [stdout] test test_var_decl_item_4 ... ok
[INFO] [stdout] test test_par_decl_item_2 ... ok
[INFO] [stdout] test test_predicate_item_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "485ec5418f265922f19b6eb7d94c80a19ff4845ed9e9090ee7c1c8c071e4a08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485ec5418f265922f19b6eb7d94c80a19ff4845ed9e9090ee7c1c8c071e4a08e", kill_on_drop: false }`
[INFO] [stdout] 485ec5418f265922f19b6eb7d94c80a19ff4845ed9e9090ee7c1c8c071e4a08e