[INFO] fetching crate wstr 0.2.0...
[INFO] testing wstr-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wstr 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wstr 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wstr 0.2.0
[INFO] finished tweaking crates.io crate wstr 0.2.0
[INFO] tweaked toml for crates.io crate wstr 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98156e77983dae90bb6db09c63a5341d3f2faefbe78b07d7548dded9879ea0e
[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" "e98156e77983dae90bb6db09c63a5341d3f2faefbe78b07d7548dded9879ea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98156e77983dae90bb6db09c63a5341d3f2faefbe78b07d7548dded9879ea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98156e77983dae90bb6db09c63a5341d3f2faefbe78b07d7548dded9879ea0e", kill_on_drop: false }`
[INFO] [stdout] e98156e77983dae90bb6db09c63a5341d3f2faefbe78b07d7548dded9879ea0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f98059a830932ad37354609704f9a781f5ef050f3b86f6eed6a808a2101ed9
[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" "78f98059a830932ad37354609704f9a781f5ef050f3b86f6eed6a808a2101ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.3.3
[INFO] [stderr]    Compiling wstr_impl v0.2.0
[INFO] [stderr]    Compiling wstr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "78f98059a830932ad37354609704f9a781f5ef050f3b86f6eed6a808a2101ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f98059a830932ad37354609704f9a781f5ef050f3b86f6eed6a808a2101ed9", kill_on_drop: false }`
[INFO] [stdout] 78f98059a830932ad37354609704f9a781f5ef050f3b86f6eed6a808a2101ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794d120a6f392227664b407f2de5aa90abb401de224c748e294e1b9037f8295b
[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" "794d120a6f392227664b407f2de5aa90abb401de224c748e294e1b9037f8295b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wstr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> tests/test.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assert_eq!(wstr!("abcd"), &[0x61u16, 0x62, 0x63, 0x64]);
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]   = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(wstr!("가나다"), &[0xAC00u16, 0xB098, 0xB2E4]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/test.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!(wstr!("\u{1F007}\u{1F010}\u{1F019}"), &[0xD83Cu16, 0xDC07, 0xD83C, 0xDC10, 0xD83C, 0xDC19]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/test.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     assert_eq!(wstrz!("abcd"), &[0x61u16, 0x62, 0x63, 0x64, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/test.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assert_eq!(wstrz!("가나다"), &[0xAC00u16, 0xB098, 0xB2E4, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/test.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(wstrz!("\u{1F007}\u{1F010}\u{1F019}"), &[0xD83Cu16, 0xDC07, 0xD83C, 0xDC10, 0xD83C, 0xDC19, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/test.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(wstrz!("\u{1F007}\u{1F010}\u{1F019}"), &[0xD83Cu16, 0xDC07, 0xD83C, 0xDC10, 0xD83C, 0xDC19, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/test.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assert_eq!(wstrz!("가나다"), &[0xAC00u16, 0xB098, 0xB2E4, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/test.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     assert_eq!(wstrz!("abcd"), &[0x61u16, 0x62, 0x63, 0x64, 0x00]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wstrz` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/test.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_eq!(wstr!("\u{1F007}\u{1F010}\u{1F019}"), &[0xD83Cu16, 0xDC07, 0xD83C, 0xDC10, 0xD83C, 0xDC19]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> tests/test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     assert_eq!(wstr!("가나다"), &[0xAC00u16, 0xB098, 0xB2E4]);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]  --> tests/test.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assert_eq!(wstr!("abcd"), &[0x61u16, 0x62, 0x63, 0x64]);
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `wstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wstr` due to 13 previous errors
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "794d120a6f392227664b407f2de5aa90abb401de224c748e294e1b9037f8295b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794d120a6f392227664b407f2de5aa90abb401de224c748e294e1b9037f8295b", kill_on_drop: false }`
[INFO] [stdout] 794d120a6f392227664b407f2de5aa90abb401de224c748e294e1b9037f8295b