[INFO] fetching crate zeta 0.1.6...
[INFO] testing zeta-0.1.6 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate zeta 0.1.6 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate zeta 0.1.6 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac5f49169c4ef2caabf3bed465e82d039ca1cb16abf235168c2216c0c684df6
[INFO] running `Command { std: "docker" "start" "-a" "5ac5f49169c4ef2caabf3bed465e82d039ca1cb16abf235168c2216c0c684df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac5f49169c4ef2caabf3bed465e82d039ca1cb16abf235168c2216c0c684df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac5f49169c4ef2caabf3bed465e82d039ca1cb16abf235168c2216c0c684df6", kill_on_drop: false }`
[INFO] [stdout] 5ac5f49169c4ef2caabf3bed465e82d039ca1cb16abf235168c2216c0c684df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ca143d25df6998c2d780228db91f07537e7750bbb8a3612c0498405f1613da7
[INFO] running `Command { std: "docker" "start" "-a" "2ca143d25df6998c2d780228db91f07537e7750bbb8a3612c0498405f1613da7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling num v0.2.0
[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" "2ca143d25df6998c2d780228db91f07537e7750bbb8a3612c0498405f1613da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca143d25df6998c2d780228db91f07537e7750bbb8a3612c0498405f1613da7", kill_on_drop: false }`
[INFO] [stdout] 2ca143d25df6998c2d780228db91f07537e7750bbb8a3612c0498405f1613da7