[INFO] fetching crate fce 0.1.11...
[INFO] checking fce-0.1.11 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate fce 0.1.11 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fce 0.1.11 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fce 0.1.11
[INFO] finished tweaking crates.io crate fce 0.1.11
[INFO] tweaked toml for crates.io crate fce 0.1.11 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccbb13c685fe3548aeb7b709b84e7adbcd16c39eb3a1d43669a070ecfdad7916
[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" "ccbb13c685fe3548aeb7b709b84e7adbcd16c39eb3a1d43669a070ecfdad7916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccbb13c685fe3548aeb7b709b84e7adbcd16c39eb3a1d43669a070ecfdad7916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbb13c685fe3548aeb7b709b84e7adbcd16c39eb3a1d43669a070ecfdad7916", kill_on_drop: false }`
[INFO] [stdout] ccbb13c685fe3548aeb7b709b84e7adbcd16c39eb3a1d43669a070ecfdad7916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4f6b5fa9a2c0b28a2dc010a57ee55383a9efa4a0472e457ab2e49e49eb73eb
[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" "cf4f6b5fa9a2c0b28a2dc010a57ee55383a9efa4a0472e457ab2e49e49eb73eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
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[INFO] [stderr]    Compiling cranelift-entity v0.59.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling raw-cpuid v7.0.3
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]    Compiling walrus-macro v0.17.0
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking walrus v0.17.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking typetag v0.1.6
[INFO] [stderr]     Checking wasmer-interface-types-fl v0.17.17
[INFO] [stderr]     Checking fce-wit-interfaces v0.1.8
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking fce-wit-parser v0.1.10
[INFO] [stderr]     Checking wasmer-wasi-fl v0.17.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]     Checking cranelift-native v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]     Checking wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]     Checking wasmer-runtime-fl v0.17.0
[INFO] [stderr]     Checking fce v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:238:28
[INFO] [stdout]     |
[INFO] [stdout] 238 |         wasi_import_object.extend(wit_import_object);
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |         wasi_import_object.extend(config.raw_imports);
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:240:28
[INFO] [stdout]     |
[INFO] [stdout] 240 |         wasi_import_object.extend(host_closures_import_object.clone());
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:238:28
[INFO] [stdout]     |
[INFO] [stdout] 238 |         wasi_import_object.extend(wit_import_object);
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |         wasi_import_object.extend(config.raw_imports);
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend` found for enum `std::result::Result<ImportObject, std::string::String>` in the current scope
[INFO] [stdout]    --> src/module/fce_module.rs:240:28
[INFO] [stdout]     |
[INFO] [stdout] 240 |         wasi_import_object.extend(host_closures_import_object.clone());
[INFO] [stdout]     |                            ^^^^^^ method not found in `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/module/fce_module.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 |         (wasi_import_object, host_closures_import_object)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^ expected struct `ImportObject`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ImportObject`
[INFO] [stdout]                  found enum `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fce`
[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] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/module/fce_module.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 |         (wasi_import_object, host_closures_import_object)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^ expected struct `ImportObject`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ImportObject`
[INFO] [stdout]                  found enum `std::result::Result<ImportObject, std::string::String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf4f6b5fa9a2c0b28a2dc010a57ee55383a9efa4a0472e457ab2e49e49eb73eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4f6b5fa9a2c0b28a2dc010a57ee55383a9efa4a0472e457ab2e49e49eb73eb", kill_on_drop: false }`
[INFO] [stdout] cf4f6b5fa9a2c0b28a2dc010a57ee55383a9efa4a0472e457ab2e49e49eb73eb