[INFO] fetching crate modular-bitfield-impl 0.6.0...
[INFO] testing modular-bitfield-impl-0.6.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate modular-bitfield-impl 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate modular-bitfield-impl 0.6.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate modular-bitfield-impl 0.6.0
[INFO] finished tweaking crates.io crate modular-bitfield-impl 0.6.0
[INFO] tweaked toml for crates.io crate modular-bitfield-impl 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1a9e698e9ec9ca4c42b9e8427322b03fa64860b85d600aed95d24344705db90
[INFO] running `"docker" "start" "-a" "c1a9e698e9ec9ca4c42b9e8427322b03fa64860b85d600aed95d24344705db90"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling modular-bitfield-impl v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.40s
[INFO] running `"docker" "inspect" "c1a9e698e9ec9ca4c42b9e8427322b03fa64860b85d600aed95d24344705db90"`
[INFO] running `"docker" "rm" "-f" "c1a9e698e9ec9ca4c42b9e8427322b03fa64860b85d600aed95d24344705db90"`
[INFO] [stdout] c1a9e698e9ec9ca4c42b9e8427322b03fa64860b85d600aed95d24344705db90
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec893ccda06064fad3b5080eb85de8af3dae82c359a2a286ec83b2c1376c60dc
[INFO] running `"docker" "start" "-a" "ec893ccda06064fad3b5080eb85de8af3dae82c359a2a286ec83b2c1376c60dc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling modular-bitfield-impl v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "ec893ccda06064fad3b5080eb85de8af3dae82c359a2a286ec83b2c1376c60dc"`
[INFO] running `"docker" "rm" "-f" "ec893ccda06064fad3b5080eb85de8af3dae82c359a2a286ec83b2c1376c60dc"`
[INFO] [stdout] ec893ccda06064fad3b5080eb85de8af3dae82c359a2a286ec83b2c1376c60dc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 65c0118f4bebba68d06fee45b3cd9257a6cf9f7367d85152d10efa74eca6da33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "65c0118f4bebba68d06fee45b3cd9257a6cf9f7367d85152d10efa74eca6da33"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/modular_bitfield_impl-8a48dd03b03c25e3
[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] [stderr]    Doc-tests modular-bitfield-impl
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - bitfield (line 32) ... FAILED
[INFO] [stdout] test src/lib.rs - bitfield_specifier (line 68) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - bitfield (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `modular_bitfield`
[INFO] [stdout]  --> src/lib.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use modular_bitfield::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared type or module `modular_bitfield`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `bitfield` in this scope
[INFO] [stdout]  --> src/lib.rs:35:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[bitfield]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `bits` in this scope
[INFO] [stdout]  --> src/lib.rs:38:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[bits = 7] // Optional, just asserts that B7 uses exactly 7 bits.
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B1` in this scope
[INFO] [stdout]  --> src/lib.rs:37:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     a: B1,  // Uses 1 bit
[INFO] [stdout]   |        ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B7` in this scope
[INFO] [stdout]  --> src/lib.rs:39:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     b: B7,  // Uses 7 bits
[INFO] [stdout]   |        ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B24` in this scope
[INFO] [stdout]  --> src/lib.rs:40:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     c: B24, // Uses 24 bits
[INFO] [stdout]   |        ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Example` in the current scope
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct Example {
[INFO] [stdout]    | -------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 13 |     let mut example = Example::new();
[INFO] [stdout]    |                                ^^^ function or associated item not found in `Example`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `proc_macro::bridge::server::TokenStream`
[INFO] [stdout]            candidate #2: `proc_macro::bridge::server::TokenStreamBuilder`
[INFO] [stdout]            candidate #3: `proc_macro::bridge::server::Group`
[INFO] [stdout]            candidate #4: `proc_macro::bridge::server::Punct`
[INFO] [stdout]            candidate #5: `proc_macro::bridge::server::Ident`
[INFO] [stdout]            candidate #6: `proc_macro::bridge::server::MultiSpan`
[INFO] [stdout]            candidate #7: `proc_macro::bridge::server::Diagnostic`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - bitfield_specifier (line 68) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `modular_bitfield`
[INFO] [stdout]  --> src/lib.rs:69:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use modular_bitfield::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of undeclared type or module `modular_bitfield`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `bitfield` in this scope
[INFO] [stdout]  --> src/lib.rs:71:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[bitfield]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `BitfieldSpecifier` in this scope
[INFO] [stdout]   --> src/lib.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B5` in this scope
[INFO] [stdout]  --> src/lib.rs:75:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     c: B5,   // Uses 5 bits
[INFO] [stdout]   |        ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B24` in this scope
[INFO] [stdout]  --> src/lib.rs:76:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     d: B24,  // Uses 24 bits
[INFO] [stdout]   |        ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Example` in the current scope
[INFO] [stdout]   --> src/lib.rs:88:32
[INFO] [stdout]    |
[INFO] [stdout] 5  | struct Example {
[INFO] [stdout]    | -------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let mut example = Example::new();
[INFO] [stdout]    |                                ^^^ function or associated item not found in `Example`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `proc_macro::bridge::server::TokenStream`
[INFO] [stdout]            candidate #2: `proc_macro::bridge::server::TokenStreamBuilder`
[INFO] [stdout]            candidate #3: `proc_macro::bridge::server::Group`
[INFO] [stdout]            candidate #4: `proc_macro::bridge::server::Punct`
[INFO] [stdout]            candidate #5: `proc_macro::bridge::server::Ident`
[INFO] [stdout]            candidate #6: `proc_macro::bridge::server::MultiSpan`
[INFO] [stdout]            candidate #7: `proc_macro::bridge::server::Diagnostic`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - bitfield (line 32)
[INFO] [stdout]     src/lib.rs - bitfield_specifier (line 68)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "65c0118f4bebba68d06fee45b3cd9257a6cf9f7367d85152d10efa74eca6da33"`
[INFO] running `"docker" "rm" "-f" "65c0118f4bebba68d06fee45b3cd9257a6cf9f7367d85152d10efa74eca6da33"`
[INFO] [stdout] 65c0118f4bebba68d06fee45b3cd9257a6cf9f7367d85152d10efa74eca6da33