[INFO] fetching crate zeta 0.1.6...
[INFO] testing zeta-0.1.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate zeta 0.1.6 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate zeta 0.1.6 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zeta 0.1.6
[INFO] finished tweaking crates.io crate zeta 0.1.6
[INFO] tweaked toml for crates.io crate zeta 0.1.6 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate zeta 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fafb2308b9e3a05e552caf19034a58a39d9e0c2155543cf40a08d407589aab40
[INFO] running `Command { std: "docker" "start" "-a" "fafb2308b9e3a05e552caf19034a58a39d9e0c2155543cf40a08d407589aab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafb2308b9e3a05e552caf19034a58a39d9e0c2155543cf40a08d407589aab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafb2308b9e3a05e552caf19034a58a39d9e0c2155543cf40a08d407589aab40", kill_on_drop: false }`
[INFO] [stdout] fafb2308b9e3a05e552caf19034a58a39d9e0c2155543cf40a08d407589aab40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0a0a1cdd3b5896e9f64e09fdc9ec7e4d399310792de8bbd122d2622e8ece97
[INFO] running `Command { std: "docker" "start" "-a" "9d0a0a1cdd3b5896e9f64e09fdc9ec7e4d399310792de8bbd122d2622e8ece97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling zeta v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/lib/util.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn as_result (self) -> Result<(), std::option::NoneError>;
[INFO] [stdout]    |                                                  ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/lib/util.rs:16:50
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn as_result (self) -> Result<(), std::option::NoneError> {
[INFO] [stdout]    |                                                  ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NoneError` in module `std::option`
[INFO] [stdout]   --> src/lib/util.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |       false => Err(std::option::NoneError)
[INFO] [stdout]    |                                 ^^^^^^^^^ not found in `std::option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zeta` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "9d0a0a1cdd3b5896e9f64e09fdc9ec7e4d399310792de8bbd122d2622e8ece97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0a0a1cdd3b5896e9f64e09fdc9ec7e4d399310792de8bbd122d2622e8ece97", kill_on_drop: false }`
[INFO] [stdout] 9d0a0a1cdd3b5896e9f64e09fdc9ec7e4d399310792de8bbd122d2622e8ece97