[INFO] cloning repository https://github.com/sporto/test-gen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sporto/test-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Ftest-gen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Ftest-gen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 95ed2671aa070285c50af852337e6f5e410f3f1e [INFO] checking sporto/test-gen against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Ftest-gen" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sporto/test-gen on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sporto/test-gen [INFO] finished tweaking git repo https://github.com/sporto/test-gen [INFO] tweaked toml for git repo https://github.com/sporto/test-gen written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/sporto/test-gen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.67 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.67 [INFO] [stderr] Downloaded mime_guess v2.0.3 [INFO] [stderr] Downloaded hyper-tls v0.4.3 [INFO] [stderr] Downloaded tokio-tls v0.3.1 [INFO] [stderr] Downloaded either v1.6.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.67 [INFO] [stderr] Downloaded pest v2.1.3 [INFO] [stderr] Downloaded pest_meta v2.1.3 [INFO] [stderr] Downloaded tracing-core v0.1.15 [INFO] [stderr] Downloaded reqwest v0.10.8 [INFO] [stderr] Downloaded abnf_to_pest v0.5.0 [INFO] [stderr] Downloaded pretty v0.5.2 [INFO] [stderr] Downloaded abnf v0.6.1 [INFO] [stderr] Downloaded pest_derive v2.1.0 [INFO] [stderr] Downloaded pest_consume_macros v1.0.5 [INFO] [stderr] Downloaded annotate-snippets v0.7.0 [INFO] [stderr] Downloaded openssl v0.10.30 [INFO] [stderr] Downloaded serde_urlencoded v0.6.1 [INFO] [stderr] Downloaded cc v1.0.59 [INFO] [stderr] Downloaded pest_consume v1.0.5 [INFO] [stderr] Downloaded dhall_proc_macros v0.5.0 [INFO] [stderr] Downloaded lexical-core v0.7.4 [INFO] [stderr] Downloaded encoding_rs v0.8.24 [INFO] [stderr] Downloaded libc v0.2.76 [INFO] [stderr] Downloaded doc-comment v0.3.3 [INFO] [stderr] Downloaded native-tls v0.2.4 [INFO] [stderr] Downloaded ucd-trie v0.1.3 [INFO] [stderr] Downloaded serde v1.0.115 [INFO] [stderr] Downloaded web-sys v0.3.44 [INFO] [stderr] Downloaded serde_cbor v0.9.0 [INFO] [stderr] Downloaded dhall v0.6.0 [INFO] [stderr] Downloaded serde_dhall v0.6.0 [INFO] [stderr] Downloaded js-sys v0.3.44 [INFO] [stderr] Downloaded pest_generator v2.1.3 [INFO] [stderr] Downloaded winreg v0.7.0 [INFO] [stderr] Downloaded syn v1.0.40 [INFO] [stderr] Downloaded proc-macro2 v1.0.20 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.17 [INFO] [stderr] Downloaded dtoa v0.4.6 [INFO] [stderr] Downloaded openssl-sys v0.9.58 [INFO] [stderr] Downloaded security-framework v0.4.4 [INFO] [stderr] Downloaded security-framework-sys v0.4.3 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.67 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Downloaded serde_derive v1.0.115 [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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 969d7b54d653ee459b9a1f7b260d36d69fd77ea5f8a86b598b91b41b136ceac5 [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" "969d7b54d653ee459b9a1f7b260d36d69fd77ea5f8a86b598b91b41b136ceac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "969d7b54d653ee459b9a1f7b260d36d69fd77ea5f8a86b598b91b41b136ceac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "969d7b54d653ee459b9a1f7b260d36d69fd77ea5f8a86b598b91b41b136ceac5", kill_on_drop: false }` [INFO] [stdout] 969d7b54d653ee459b9a1f7b260d36d69fd77ea5f8a86b598b91b41b136ceac5 [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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ce63fc89695c8da5bc281126c04b546eab71485db4fbb8043e453d1f8c07ca5 [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" "8ce63fc89695c8da5bc281126c04b546eab71485db4fbb8043e453d1f8c07ca5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking hashbrown v0.9.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking tinyvec v0.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling typed-arena v1.7.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking annotate-snippets v0.7.0 [INFO] [stderr] Checking tracing-core v0.1.15 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling pretty v0.5.2 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking encoding_rs v0.8.24 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking sha2 v0.9.1 [INFO] [stderr] Compiling abnf v0.6.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling abnf_to_pest v0.5.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling pest_consume_macros v1.0.5 [INFO] [stderr] Compiling dhall v0.6.0 [INFO] [stderr] Compiling dhall_proc_macros v0.5.0 [INFO] [stderr] Checking pest_consume v1.0.5 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_cbor v0.9.0 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.8 [INFO] [stderr] Checking serde_dhall v0.6.0 [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_dhall-0.6.0/src/value.rs:246:45 [INFO] [stdout] | [INFO] [stdout] 246 | ... .map(|v| Ok(Self::from_nir(v)?)) [INFO] [stdout] | -------^^^^^^^^^^^^^^^^^^- [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a closure that returns `std::result::Result` [INFO] [stdout] | this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::result::Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_dhall-0.6.0/src/value.rs:245:29 [INFO] [stdout] | [INFO] [stdout] 242 | .map(|(k, v)| { [INFO] [stdout] | __________________________- [INFO] [stdout] 243 | | Some(( [INFO] [stdout] 244 | | k.into(), [INFO] [stdout] 245 | | v.as_ref() [INFO] [stdout] | |_____________________________^ [INFO] [stdout] 246 | || .map(|v| Ok(Self::from_nir(v)?)) [INFO] [stdout] 247 | || .transpose()?, [INFO] [stdout] | ||_____________________________________________^ cannot use the `?` operator in a closure that returns `std::option::Option<(_, std::option::Option)>` [INFO] [stdout] 248 | | )) [INFO] [stdout] 249 | | }) [INFO] [stdout] | |_____________________- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `std::option::Option<(_, std::option::Option)>` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_dhall` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "8ce63fc89695c8da5bc281126c04b546eab71485db4fbb8043e453d1f8c07ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce63fc89695c8da5bc281126c04b546eab71485db4fbb8043e453d1f8c07ca5", kill_on_drop: false }` [INFO] [stdout] 8ce63fc89695c8da5bc281126c04b546eab71485db4fbb8043e453d1f8c07ca5