[INFO] cloning repository https://github.com/dominuskernel/test-nikel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dominuskernel/test-nikel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominuskernel%2Ftest-nikel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominuskernel%2Ftest-nikel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 959cb00e93908eaf5bd2c17cee222d0af54c57ef
[INFO] checking dominuskernel/test-nikel against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominuskernel%2Ftest-nikel" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dominuskernel/test-nikel on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dominuskernel/test-nikel
[INFO] finished tweaking git repo https://github.com/dominuskernel/test-nikel
[INFO] tweaked toml for git repo https://github.com/dominuskernel/test-nikel written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/dominuskernel/test-nikel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded nickel v0.7.3
[INFO] [stderr]   Downloaded gcc v0.3.25
[INFO] [stderr]   Downloaded cookie v0.2.2
[INFO] [stderr]   Downloaded mime v0.2.0
[INFO] [stderr]   Downloaded unicase v1.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.5.1
[INFO] [stderr]   Downloaded openssl v0.7.8
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.8
[INFO] [stderr]   Downloaded openssl-sys v0.7.8
[INFO] [stderr]   Downloaded bufstream v0.1.1
[INFO] [stderr]   Downloaded bson v0.1.5
[INFO] [stderr]   Downloaded chrono v0.2.20
[INFO] [stderr]   Downloaded mustache v0.6.3
[INFO] [stderr]   Downloaded scan_fmt v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.2.5
[INFO] [stderr]   Downloaded memchr v0.1.10
[INFO] [stderr]   Downloaded url v0.5.7
[INFO] [stderr] warning: TOML file found which contains invalid syntax and will soon not parse
[INFO] [stderr] at `/workspace/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-0.5.7/Cargo.toml`.
[INFO] [stderr] 
[INFO] [stderr] The TOML spec requires newlines after table definitions (e.g., `[a] b = 1` is
[INFO] [stderr] invalid), but this file has a table header which does not have a newline after
[INFO] [stderr] it. A newline needs to be added and this warning will soon become a hard error
[INFO] [stderr] in the future.
[INFO] [stderr]   Downloaded rust-crypto v0.2.34
[INFO] [stderr]   Downloaded hyper v0.8.0
[INFO] [stderr]   Downloaded regex v0.1.55
[INFO] [stderr]   Downloaded textnonce v0.1.2
[INFO] [stderr]   Downloaded mongodb v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed9b84bcadeb7c499821d12ce13afc11ac14771a4f444e5ba2801aa71870385b
[INFO] running `Command { std: "docker" "start" "-a" "ed9b84bcadeb7c499821d12ce13afc11ac14771a4f444e5ba2801aa71870385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9b84bcadeb7c499821d12ce13afc11ac14771a4f444e5ba2801aa71870385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9b84bcadeb7c499821d12ce13afc11ac14771a4f444e5ba2801aa71870385b", kill_on_drop: false }`
[INFO] [stdout] ed9b84bcadeb7c499821d12ce13afc11ac14771a4f444e5ba2801aa71870385b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc02b807e2ead463c7f552634248be9f60001e7192ae37a5ec6a8fd8235d952c
[INFO] running `Command { std: "docker" "start" "-a" "cc02b807e2ead463c7f552634248be9f60001e7192ae37a5ec6a8fd8235d952c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: TOML file found which contains invalid syntax and will soon not parse
[INFO] [stderr] at `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-0.5.7/Cargo.toml`.
[INFO] [stderr] 
[INFO] [stderr] The TOML spec requires newlines after table definitions (e.g., `[a] b = 1` is
[INFO] [stderr] invalid), but this file has a table header which does not have a newline after
[INFO] [stderr] it. A newline needs to be added and this warning will soon become a hard error
[INFO] [stderr] in the future.
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking num v0.1.31
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking httparse v1.1.1
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.2.5
[INFO] [stderr]     Checking bufstream v0.1.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc02b807e2ead463c7f552634248be9f60001e7192ae37a5ec6a8fd8235d952c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc02b807e2ead463c7f552634248be9f60001e7192ae37a5ec6a8fd8235d952c", kill_on_drop: false }`
[INFO] [stdout] cc02b807e2ead463c7f552634248be9f60001e7192ae37a5ec6a8fd8235d952c