[INFO] fetching crate wstr 0.2.0...
[INFO] testing wstr-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate wstr 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wstr 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] cd16932e6f3597d6fca5ccd3845f7ff6e269708562d951de6191fc347866f8a7
[INFO] running `Command { std: "docker" "start" "-a" "cd16932e6f3597d6fca5ccd3845f7ff6e269708562d951de6191fc347866f8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd16932e6f3597d6fca5ccd3845f7ff6e269708562d951de6191fc347866f8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd16932e6f3597d6fca5ccd3845f7ff6e269708562d951de6191fc347866f8a7", kill_on_drop: false }`
[INFO] [stdout] cd16932e6f3597d6fca5ccd3845f7ff6e269708562d951de6191fc347866f8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 02a80b823d6a8955d2113d83bd68153e1c3b5b87c1edc4d30a02c8e01c13d87b
[INFO] running `Command { std: "docker" "start" "-a" "02a80b823d6a8955d2113d83bd68153e1c3b5b87c1edc4d30a02c8e01c13d87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[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 4.82s
[INFO] running `Command { std: "docker" "inspect" "02a80b823d6a8955d2113d83bd68153e1c3b5b87c1edc4d30a02c8e01c13d87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a80b823d6a8955d2113d83bd68153e1c3b5b87c1edc4d30a02c8e01c13d87b", kill_on_drop: false }`
[INFO] [stdout] 02a80b823d6a8955d2113d83bd68153e1c3b5b87c1edc4d30a02c8e01c13d87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fee702ea4756fa674f438048c4f51e6b6c65b0317087201833161a77c5149a69
[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" "fee702ea4756fa674f438048c4f51e6b6c65b0317087201833161a77c5149a69", 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] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wstr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fee702ea4756fa674f438048c4f51e6b6c65b0317087201833161a77c5149a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee702ea4756fa674f438048c4f51e6b6c65b0317087201833161a77c5149a69", kill_on_drop: false }`
[INFO] [stdout] fee702ea4756fa674f438048c4f51e6b6c65b0317087201833161a77c5149a69