[INFO] fetching crate v_eval 0.6.0...
[INFO] testing v_eval-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate v_eval 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate v_eval 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v_eval 0.6.0
[INFO] finished tweaking crates.io crate v_eval 0.6.0
[INFO] tweaked toml for crates.io crate v_eval 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 641bdd46132db2d0585b1cd08901db04176bca87625503f4cae03d469ae0fb9c
[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" "641bdd46132db2d0585b1cd08901db04176bca87625503f4cae03d469ae0fb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641bdd46132db2d0585b1cd08901db04176bca87625503f4cae03d469ae0fb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641bdd46132db2d0585b1cd08901db04176bca87625503f4cae03d469ae0fb9c", kill_on_drop: false }`
[INFO] [stdout] 641bdd46132db2d0585b1cd08901db04176bca87625503f4cae03d469ae0fb9c
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c91d151f7344600d5736834dc45313268c9ad88b1afe7a0dc196f0515add25cc
[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" "c91d151f7344600d5736834dc45313268c9ad88b1afe7a0dc196f0515add25cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_eval v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "c91d151f7344600d5736834dc45313268c9ad88b1afe7a0dc196f0515add25cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91d151f7344600d5736834dc45313268c9ad88b1afe7a0dc196f0515add25cc", kill_on_drop: false }`
[INFO] [stdout] c91d151f7344600d5736834dc45313268c9ad88b1afe7a0dc196f0515add25cc
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac3c27dcc35be11c04e5cab0407b30aaa2749cbe95642e4d34ef70cae917fc4
[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" "7ac3c27dcc35be11c04e5cab0407b30aaa2749cbe95642e4d34ef70cae917fc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling v_eval v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "7ac3c27dcc35be11c04e5cab0407b30aaa2749cbe95642e4d34ef70cae917fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac3c27dcc35be11c04e5cab0407b30aaa2749cbe95642e4d34ef70cae917fc4", kill_on_drop: false }`
[INFO] [stdout] 7ac3c27dcc35be11c04e5cab0407b30aaa2749cbe95642e4d34ef70cae917fc4
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3adecc26f1b0a34cc98264f1f03150118a06e2a3e25f307a7572af9d80ae4a2
[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" "f3adecc26f1b0a34cc98264f1f03150118a06e2a3e25f307a7572af9d80ae4a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/v_eval-3d2b64332c01e682
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test operator::test::test_op_preference ... ok
[INFO] [stdout] test reflect::test::test_evaluate_div ... ok
[INFO] [stdout] test reflect::test::test_evaluate_eq ... ok
[INFO] [stdout] test reflect::test::test_eval_one ... ok
[INFO] [stdout] test reflect::test::test_eval_literal ... ok
[INFO] [stdout] test reflect::test::test_evaluate_sub ... ok
[INFO] [stdout] test reflect::test::test_evaluate_le ... ok
[INFO] [stdout] test reflect::test::test_evaluate_mul ... ok
[INFO] [stdout] test reflect::test::test_evaluate_lt ... ok
[INFO] [stdout] test reflect::test::test_evaluate_gt ... ok
[INFO] [stdout] test reflect::test::test_evaluate_ge ... ok
[INFO] [stdout] test reflect::test::test_evaluate_add ... ok
[INFO] [stdout] test reflect::test::test_eval ... ok
[INFO] [stdout] test reflect::test::test_evaluate_rem ... ok
[INFO] [stdout] test test::test_opt ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests v_eval
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/lib.rs - (line 120) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 136) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 268) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 285) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 320) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 152) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 335) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 216) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 235) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 168) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 251) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 302) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 184) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 200) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 350) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 397) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 487) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 382) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 442) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 412) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 518) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 472) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 457) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 366) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 427) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 67) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 503) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 588) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name v_eval -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-62e055e6c3a1f4aa.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0231ffb3efe109ce.rlib --extern v_eval=/opt/rustwide/target/debug/deps/libv_eval-071b94205a726014.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f3adecc26f1b0a34cc98264f1f03150118a06e2a3e25f307a7572af9d80ae4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3adecc26f1b0a34cc98264f1f03150118a06e2a3e25f307a7572af9d80ae4a2", kill_on_drop: false }`
[INFO] [stdout] f3adecc26f1b0a34cc98264f1f03150118a06e2a3e25f307a7572af9d80ae4a2