[INFO] fetching crate lfsr 0.3.0...
[INFO] testing lfsr-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lfsr 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lfsr 0.3.0 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 lfsr 0.3.0
[INFO] finished tweaking crates.io crate lfsr 0.3.0
[INFO] tweaked toml for crates.io crate lfsr 0.3.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0abcb61108fff3be41f4396f388323177ca41618a3463cc4657c45f3acaf1699
[INFO] running `Command { std: "docker" "start" "-a" "0abcb61108fff3be41f4396f388323177ca41618a3463cc4657c45f3acaf1699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0abcb61108fff3be41f4396f388323177ca41618a3463cc4657c45f3acaf1699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abcb61108fff3be41f4396f388323177ca41618a3463cc4657c45f3acaf1699", kill_on_drop: false }`
[INFO] [stdout] 0abcb61108fff3be41f4396f388323177ca41618a3463cc4657c45f3acaf1699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 06862b3e26fa4698149a2aac946a44cd3fdf606dd5bc4eb764fcb9a57a07fa70
[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" "06862b3e26fa4698149a2aac946a44cd3fdf606dd5bc4eb764fcb9a57a07fa70", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr-base v0.3.0
[INFO] [stderr]    Compiling lfsr-macro-generate v0.3.0
[INFO] [stderr]    Compiling lfsr-instances v0.3.0
[INFO] [stderr]    Compiling lfsr-macro-lookup v0.3.0
[INFO] [stderr]    Compiling lfsr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "06862b3e26fa4698149a2aac946a44cd3fdf606dd5bc4eb764fcb9a57a07fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06862b3e26fa4698149a2aac946a44cd3fdf606dd5bc4eb764fcb9a57a07fa70", kill_on_drop: false }`
[INFO] [stdout] 06862b3e26fa4698149a2aac946a44cd3fdf606dd5bc4eb764fcb9a57a07fa70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d43db000d6d8a315ac004dd088ad3cc251e4602a5b642e10c9badef442c908f5
[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" "d43db000d6d8a315ac004dd088ad3cc251e4602a5b642e10c9badef442c908f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "d43db000d6d8a315ac004dd088ad3cc251e4602a5b642e10c9badef442c908f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43db000d6d8a315ac004dd088ad3cc251e4602a5b642e10c9badef442c908f5", kill_on_drop: false }`
[INFO] [stdout] d43db000d6d8a315ac004dd088ad3cc251e4602a5b642e10c9badef442c908f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2592496f2ee4fb235eb8642c6c13bddef2e7e38960ae296887aa5babd68c295c
[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" "2592496f2ee4fb235eb8642c6c13bddef2e7e38960ae296887aa5babd68c295c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lfsr-fd454d065b11f01a
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::lookup_out_of_range ... ok
[INFO] [stdout] test tests::galois32_first_states ... ok
[INFO] [stdout] test tests::lookup_inside_range ... ok
[INFO] [stdout] test tests::lookup_direct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfsr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `lfsr::lfsr_lookup`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lfsr::lfsr_lookup;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `lfsr_lookup` in the root
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `searching_lfsr_lookup` in this scope
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | searching_lfsr_lookup!(galois32_lookup, galois::Galois32, 10, 20, 5);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing one of these items:
[INFO] [stdout]           lfsr::searching_lfsr_lookup
[INFO] [stdout]           lfsr_macro_lookup::searching_lfsr_lookup
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `searching_lfsr_lookup` in this scope
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | searching_lfsr_lookup!(galois32_lookup_big, galois::Galois32, 99_999_000, 100_001_000, 100);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing one of these items:
[INFO] [stdout]           lfsr::searching_lfsr_lookup
[INFO] [stdout]           lfsr_macro_lookup::searching_lfsr_lookup
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `direct_lfsr_lookup` in this scope
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | direct_lfsr_lookup!(galois16_direct_lookup, galois::Galois16);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing one of these items:
[INFO] [stdout]           lfsr::direct_lfsr_lookup
[INFO] [stdout]           lfsr_macro_lookup::direct_lfsr_lookup
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois32_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(galois32_lookup(&lfsr), None);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois32_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     assert_eq!(galois32_lookup(&lfsr), None);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois32_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert_eq!(galois32_lookup(&lfsr), Some(10));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois32_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!(galois32_lookup(&lfsr), Some(17));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois32_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     assert_eq!(galois32_lookup(&lfsr), None);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois16_direct_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     assert_eq!(galois16_direct_lookup(&lfsr), 0);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois16_direct_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |     assert_eq!(galois16_direct_lookup(&lfsr), 10);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois16_direct_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     assert_eq!(galois16_direct_lookup(&lfsr), 11);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois16_direct_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     assert_eq!(galois16_direct_lookup(&lfsr), 65534);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `galois16_direct_lookup` in this scope
[INFO] [stdout]   --> src/lib.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     assert_eq!(galois16_direct_lookup(&lfsr), 0);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 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" "2592496f2ee4fb235eb8642c6c13bddef2e7e38960ae296887aa5babd68c295c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2592496f2ee4fb235eb8642c6c13bddef2e7e38960ae296887aa5babd68c295c", kill_on_drop: false }`
[INFO] [stdout] 2592496f2ee4fb235eb8642c6c13bddef2e7e38960ae296887aa5babd68c295c