[INFO] fetching crate cxmr-tectonic 0.0.1...
[INFO] testing cxmr-tectonic-0.0.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate cxmr-tectonic 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cxmr-tectonic 0.0.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxmr-tectonic 0.0.1
[INFO] finished tweaking crates.io crate cxmr-tectonic 0.0.1
[INFO] tweaked toml for crates.io crate cxmr-tectonic 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b728cb77e9112e032bc8ae34e89cd0e2b8a684a5bf2b10a948d796374c1641e2
[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" "b728cb77e9112e032bc8ae34e89cd0e2b8a684a5bf2b10a948d796374c1641e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b728cb77e9112e032bc8ae34e89cd0e2b8a684a5bf2b10a948d796374c1641e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b728cb77e9112e032bc8ae34e89cd0e2b8a684a5bf2b10a948d796374c1641e2", kill_on_drop: false }`
[INFO] [stdout] b728cb77e9112e032bc8ae34e89cd0e2b8a684a5bf2b10a948d796374c1641e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdc3f68ef959780b606a82b9591be1727a9520c05ff76ca66eac00208f6b7f0e
[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" "cdc3f68ef959780b606a82b9591be1727a9520c05ff76ca66eac00208f6b7f0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling err-convert-macro v0.0.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cxmr-currency v0.0.1
[INFO] [stderr]    Compiling cxmr-balances v0.0.1
[INFO] [stderr]    Compiling cxmr-exchanges v0.0.1
[INFO] [stderr]    Compiling cxmr-feeds v0.0.1
[INFO] [stderr]    Compiling cxmr-tectonic v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]   --> src/dirs.rs:37:34
[INFO] [stdout]    |
[INFO] [stdout] 36 | / fn is_not_default(path: &Path) -> Result<bool, Error> {
[INFO] [stdout] 37 | |     let symbol = path.file_name()?.to_str()?.split('.').next()?;
[INFO] [stdout]    | |                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] 38 | |     Ok(symbol != "default")
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_- this function returns a `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]   --> src/dirs.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 36 | / fn is_not_default(path: &Path) -> Result<bool, Error> {
[INFO] [stdout] 37 | |     let symbol = path.file_name()?.to_str()?.split('.').next()?;
[INFO] [stdout]    | |                                            ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] 38 | |     Ok(symbol != "default")
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_- this function returns a `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]   --> src/dirs.rs:37:63
[INFO] [stdout]    |
[INFO] [stdout] 36 | / fn is_not_default(path: &Path) -> Result<bool, Error> {
[INFO] [stdout] 37 | |     let symbol = path.file_name()?.to_str()?.split('.').next()?;
[INFO] [stdout]    | |                                                               ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] 38 | |     Ok(symbol != "default")
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_- this function returns a `Result`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/dtf.rs:635:42
[INFO] [stdout]     |
[INFO] [stdout] 634 | / fn split_symbol(symbol: &str) -> Result<Market, Error> {
[INFO] [stdout] 635 | |     let symbol = symbol.split('.').next()?;
[INFO] [stdout]     | |                                          ^ use `.ok_or(...)?` to provide an error compatible with `Result<cxmr_exchanges::Market, Error>`
[INFO] [stdout] 636 | |     let index = symbol.find('_')?;
[INFO] [stdout] 637 | |     let exchange = Exchange::from_str(&symbol[..index])?;
[INFO] [stdout] 638 | |     let pair = CurrencyPair::from_str(&symbol[index + 1..])?;
[INFO] [stdout] 639 | |     Ok(Market::new(exchange, pair))
[INFO] [stdout] 640 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<cxmr_exchanges::Market, Error>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
[INFO] [stdout]    --> src/dtf.rs:636:33
[INFO] [stdout]     |
[INFO] [stdout] 634 | / fn split_symbol(symbol: &str) -> Result<Market, Error> {
[INFO] [stdout] 635 | |     let symbol = symbol.split('.').next()?;
[INFO] [stdout] 636 | |     let index = symbol.find('_')?;
[INFO] [stdout]     | |                                 ^ use `.ok_or(...)?` to provide an error compatible with `Result<cxmr_exchanges::Market, Error>`
[INFO] [stdout] 637 | |     let exchange = Exchange::from_str(&symbol[..index])?;
[INFO] [stdout] 638 | |     let pair = CurrencyPair::from_str(&symbol[index + 1..])?;
[INFO] [stdout] 639 | |     Ok(Market::new(exchange, pair))
[INFO] [stdout] 640 | | }
[INFO] [stdout]     | |_- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<cxmr_exchanges::Market, Error>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `cxmr-tectonic`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cdc3f68ef959780b606a82b9591be1727a9520c05ff76ca66eac00208f6b7f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc3f68ef959780b606a82b9591be1727a9520c05ff76ca66eac00208f6b7f0e", kill_on_drop: false }`
[INFO] [stdout] cdc3f68ef959780b606a82b9591be1727a9520c05ff76ca66eac00208f6b7f0e