[INFO] fetching crate fasteval 0.2.4...
[INFO] testing fasteval-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fasteval 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fasteval 0.2.4 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 fasteval 0.2.4
[INFO] finished tweaking crates.io crate fasteval 0.2.4
[INFO] tweaked toml for crates.io crate fasteval 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate fasteval 0.2.4 already has a lockfile, it will not be regenerated
[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-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" "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] d4724b16395d438149dc85bc79a2dd81c14f51f223e45867f7b73e43dd1ab6a9
[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" "d4724b16395d438149dc85bc79a2dd81c14f51f223e45867f7b73e43dd1ab6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4724b16395d438149dc85bc79a2dd81c14f51f223e45867f7b73e43dd1ab6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4724b16395d438149dc85bc79a2dd81c14f51f223e45867f7b73e43dd1ab6a9", kill_on_drop: false }`
[INFO] [stdout] d4724b16395d438149dc85bc79a2dd81c14f51f223e45867f7b73e43dd1ab6a9
[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" "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] ffd62409ec7aa9b25b6a3f4521e61e15c07c8d8ba3e92288aa903f88e5a31208
[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" "ffd62409ec7aa9b25b6a3f4521e61e15c07c8d8ba3e92288aa903f88e5a31208", kill_on_drop: false }`
[INFO] [stderr]    Compiling fasteval v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "ffd62409ec7aa9b25b6a3f4521e61e15c07c8d8ba3e92288aa903f88e5a31208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd62409ec7aa9b25b6a3f4521e61e15c07c8d8ba3e92288aa903f88e5a31208", kill_on_drop: false }`
[INFO] [stdout] ffd62409ec7aa9b25b6a3f4521e61e15c07c8d8ba3e92288aa903f88e5a31208
[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" "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] f512601780753025f83bd80ac3cd366285ca66e5ee458bae1be4c00847b7fe5f
[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" "f512601780753025f83bd80ac3cd366285ca66e5ee458bae1be4c00847b7fe5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fasteval v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.78s
[INFO] running `Command { std: "docker" "inspect" "f512601780753025f83bd80ac3cd366285ca66e5ee458bae1be4c00847b7fe5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f512601780753025f83bd80ac3cd366285ca66e5ee458bae1be4c00847b7fe5f", kill_on_drop: false }`
[INFO] [stdout] f512601780753025f83bd80ac3cd366285ca66e5ee458bae1be4c00847b7fe5f
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38a2ff5e7e69912e28b030de66cb7bd266e4c56f6cdccfdedc1d0772c38f7278
[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" "38a2ff5e7e69912e28b030de66cb7bd266e4c56f6cdccfdedc1d0772c38f7278", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fasteval-8fc5441ab202b972
[INFO] [stdout] test parser::internal_tests::priv_tests ... ok
[INFO] [stdout] test parser::internal_tests::rem_no_panic ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compile-ea3738cf24fea1c9
[INFO] [stdout] test parser::internal_tests::util ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basics ... ok
[INFO] [stdout] test eval_macro ... ok
[INFO] [stdout] test custom_func ... ok
[INFO] [stdout] test slab_overflow ... ok
[INFO] [stdout] test all_instrs ... ok
[INFO] [stdout] test double_neg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eval-4a7b067c1e62c32b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test aaa_basics ... ok
[INFO] [stdout] test aaa_aab_single ... ok
[INFO] [stdout] test aaa_util ... ok
[INFO] [stdout] test aaa_aaa_sizes ... ok
[INFO] [stdout] test evalns_cb_ownership ... ok
[INFO] [stdout] test custom_func ... ok
[INFO] [stdout] test corners ... ok
[INFO] [stdout] test eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/evalns-9e50440c17c37182
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cached_cb ... ok
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test custom_vector_funcs ... ok
[INFO] [stdout] test cb ... ok
[INFO] [stdout] test layered_str_to_f64 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ez-3f3d81fdbc9c3334
[INFO] [stdout] test str_to_f64 ... ok
[INFO] [stdout] test str_to_cb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_3rd-c701d0d1c25abf74
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ez ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_go-039c6202ea2a470c
[INFO] [stdout] test overflow_stack ... ok
[INFO] [stdout] test meval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test aaa_test_b2 ... ok
[INFO] [stdout] test aaa_test_b1 ... ok
[INFO] [stdout] test aaa_test_b0 ... ok
[INFO] [stdout] test aaa_test_c0 ... ok
[INFO] [stdout] test aaa_test_a ... ok
[INFO] [stdout] test aaa_test_d0 ... ok
[INFO] [stdout] test aaa_test_c1 ... ok
[INFO] [stdout] test aaa_test_d1 ... ok
[INFO] [stdout] test aaa_test_g ... ok
[INFO] [stdout] test aaa_test_f ... ok
[INFO] [stdout] test aaa_test_e ... ok
[INFO] [stdout] test aaa_test_j ... ok
[INFO] [stdout] test aaa_test_k ... ok
[INFO] [stdout] test aaa_test_h ... ok
[INFO] [stdout] test aaa_test_i ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parse-8854c2d63e29fcd3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests fasteval
[INFO] [stdout] test basics ... ok
[INFO] [stdout] test consts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 300) ... FAILED
[INFO] [stdout] test src/evalns.rs - evalns (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 335) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 143) ... ok
[INFO] [stdout] test src/slab.rs - slab::ParseSlab (line 164) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/slab.rs - slab (line 34) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 270) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 36) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 227) ... ok
[INFO] [stdout] test src/lib.rs - (line 161) ... ok
[INFO] [stdout] test src/lib.rs - (line 139) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 114) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 98) ... ok
[INFO] [stdout] test src/evalns.rs - evalns (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 300) stdout ----
[INFO] [stdout] error[E0599]: no method named `add_unsafe_var` found for struct `ParseSlab` in the current scope
[INFO] [stdout]   --> src/lib.rs:314:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unsafe { slab.ps.add_unsafe_var("deg".to_string(), &deg); } // `add_unsafe_var()` only exists if the `unsafe-vars` feature is enabled...
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ method not found in `ParseSlab`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/slab.rs - slab::ParseSlab (line 164) stdout ----
[INFO] [stdout] error[E0599]: no method named `add_unsafe_var` found for struct `ParseSlab` in the current scope
[INFO] [stdout]   --> src/slab.rs:173:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     unsafe { slab_mut.ps.add_unsafe_var("bad".to_string(), &bad); }  // `add_unsafe_var()` only exists if the `unsafe-vars` feature is en...
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ method not found in `ParseSlab`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `add_unsafe_var` found for struct `ParseSlab` in the current scope
[INFO] [stdout]   --> src/slab.rs:189:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     unsafe { slab.ps.add_unsafe_var("deg".to_string(), &deg); }  // `add_unsafe_var()` only exists if the `unsafe-vars` feature is enable...
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ method not found in `ParseSlab`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 300)
[INFO] [stdout]     src/slab.rs - slab::ParseSlab (line 164)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "38a2ff5e7e69912e28b030de66cb7bd266e4c56f6cdccfdedc1d0772c38f7278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a2ff5e7e69912e28b030de66cb7bd266e4c56f6cdccfdedc1d0772c38f7278", kill_on_drop: false }`
[INFO] [stdout] 38a2ff5e7e69912e28b030de66cb7bd266e4c56f6cdccfdedc1d0772c38f7278