[INFO] fetching crate maybe_macro 1.0.0...
[INFO] testing maybe_macro-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate maybe_macro 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate maybe_macro 1.0.0 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 maybe_macro 1.0.0
[INFO] finished tweaking crates.io crate maybe_macro 1.0.0
[INFO] tweaked toml for crates.io crate maybe_macro 1.0.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9f950e18c15c03e93415bfd010f11c5697c248764830d53ec1595877b62cde5
[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" "c9f950e18c15c03e93415bfd010f11c5697c248764830d53ec1595877b62cde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f950e18c15c03e93415bfd010f11c5697c248764830d53ec1595877b62cde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f950e18c15c03e93415bfd010f11c5697c248764830d53ec1595877b62cde5", kill_on_drop: false }`
[INFO] [stdout] c9f950e18c15c03e93415bfd010f11c5697c248764830d53ec1595877b62cde5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c38ca3714dbfeeabc01a10d96d390c52fc64d53052c02e2f2d0082f80fd43ed
[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" "1c38ca3714dbfeeabc01a10d96d390c52fc64d53052c02e2f2d0082f80fd43ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maybe_macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "1c38ca3714dbfeeabc01a10d96d390c52fc64d53052c02e2f2d0082f80fd43ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c38ca3714dbfeeabc01a10d96d390c52fc64d53052c02e2f2d0082f80fd43ed", kill_on_drop: false }`
[INFO] [stdout] 1c38ca3714dbfeeabc01a10d96d390c52fc64d53052c02e2f2d0082f80fd43ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ec102e0c0e64246611f6f301c272be6cee4a1cb7cfdb44b85fe6b88e1f39edea
[INFO] running `Command { std: "docker" "start" "-a" "ec102e0c0e64246611f6f301c272be6cee4a1cb7cfdb44b85fe6b88e1f39edea", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let x = maybe!(x if let 1...10 = x);
[INFO] [stdout]    |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lib.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let x = maybe!(x if let 1...10 = x);
[INFO] [stdout]    |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "ec102e0c0e64246611f6f301c272be6cee4a1cb7cfdb44b85fe6b88e1f39edea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec102e0c0e64246611f6f301c272be6cee4a1cb7cfdb44b85fe6b88e1f39edea", kill_on_drop: false }`
[INFO] [stdout] ec102e0c0e64246611f6f301c272be6cee4a1cb7cfdb44b85fe6b88e1f39edea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c16119f4f2936c63b5de36d96799479ac2f95dd50086f3de38e42936cf4ebd5c
[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" "c16119f4f2936c63b5de36d96799479ac2f95dd50086f3de38e42936cf4ebd5c", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lib.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let x = maybe!(x if let 1...10 = x);
[INFO] [stderr]    |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lib.rs:65:34
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let x = maybe!(x if let 1...10 = x);
[INFO] [stderr]    |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_macro-5c72423f7d6b5aa1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::conditional ... ok
[INFO] [stderr]    Doc-tests maybe_macro
[INFO] [stdout] test tests::pattern ... ok
[INFO] [stdout] test tests::destructure ... 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 3 tests
[INFO] [stdout] test src/lib.rs - maybe (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - maybe (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - maybe (line 26) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - maybe (line 19) stdout ----
[INFO] [stdout] error: cannot find macro `maybe` in this scope
[INFO] [stdout]  --> src/lib.rs:21:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | slice.iter().filter_map(|&x| maybe!(x if < 10))
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `slice` in this scope
[INFO] [stdout]  --> src/lib.rs:21:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | slice.iter().filter_map(|&x| maybe!(x if < 10))
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - maybe (line 34) stdout ----
[INFO] [stdout] error: cannot find macro `maybe` in this scope
[INFO] [stdout]  --> src/lib.rs:35:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | slice.iter().filter_map(|x| maybe!(inner if let Ok(inner) = x));
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `slice` in this scope
[INFO] [stdout]  --> src/lib.rs:35:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | slice.iter().filter_map(|x| maybe!(inner if let Ok(inner) = x));
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - maybe (line 26) stdout ----
[INFO] [stdout] error: cannot find macro `maybe` in this scope
[INFO] [stdout]  --> src/lib.rs:28:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | slice.iter().filter_map(|x| maybe!(x if let Ok(_) = x));
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `slice` in this scope
[INFO] [stdout]  --> src/lib.rs:28:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | slice.iter().filter_map(|x| maybe!(x if let Ok(_) = x));
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - maybe (line 19)
[INFO] [stdout]     src/lib.rs - maybe (line 26)
[INFO] [stdout]     src/lib.rs - maybe (line 34)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 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" "c16119f4f2936c63b5de36d96799479ac2f95dd50086f3de38e42936cf4ebd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16119f4f2936c63b5de36d96799479ac2f95dd50086f3de38e42936cf4ebd5c", kill_on_drop: false }`
[INFO] [stdout] c16119f4f2936c63b5de36d96799479ac2f95dd50086f3de38e42936cf4ebd5c