[INFO] cloning repository https://github.com/Scetch/uWindsorCourseSearchBot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Scetch/uWindsorCourseSearchBot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d2a34fa592fc9d6963eaec35d649fd9df9acfae
[INFO] testing Scetch/uWindsorCourseSearchBot against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Scetch/uWindsorCourseSearchBot 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 git repo https://github.com/Scetch/uWindsorCourseSearchBot
[INFO] finished tweaking git repo https://github.com/Scetch/uWindsorCourseSearchBot
[INFO] tweaked toml for git repo https://github.com/Scetch/uWindsorCourseSearchBot written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/Scetch/uWindsorCourseSearchBot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 3162923a46dc8360b22a95577b0e94c44ca37fd7d90a35d5f9b7d9f27318fc16
[INFO] running `Command { std: "docker" "start" "-a" "3162923a46dc8360b22a95577b0e94c44ca37fd7d90a35d5f9b7d9f27318fc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3162923a46dc8360b22a95577b0e94c44ca37fd7d90a35d5f9b7d9f27318fc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3162923a46dc8360b22a95577b0e94c44ca37fd7d90a35d5f9b7d9f27318fc16", kill_on_drop: false }`
[INFO] [stdout] 3162923a46dc8360b22a95577b0e94c44ca37fd7d90a35d5f9b7d9f27318fc16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] ca97b3229e6ceaf49d565605cc3c43cf8e1e12f20da4efecd0fb50ff70e27eb1
[INFO] running `Command { std: "docker" "start" "-a" "ca97b3229e6ceaf49d565605cc3c43cf8e1e12f20da4efecd0fb50ff70e27eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling futures v0.1.22
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling utf-8 v0.7.2
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling downcast v0.9.2
[INFO] [stderr]    Compiling census v0.1.1
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling rust-stemmers v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=89541d375a76d956 -C extra-filename=-89541d375a76d956 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca97b3229e6ceaf49d565605cc3c43cf8e1e12f20da4efecd0fb50ff70e27eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca97b3229e6ceaf49d565605cc3c43cf8e1e12f20da4efecd0fb50ff70e27eb1", kill_on_drop: false }`
[INFO] [stdout] ca97b3229e6ceaf49d565605cc3c43cf8e1e12f20da4efecd0fb50ff70e27eb1