[INFO] cloning repository https://github.com/Fi3/shrd_sec_lib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fi3/shrd_sec_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fshrd_sec_lib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fshrd_sec_lib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e145b54c2c10a109fa48e7e06220891b70f3046 [INFO] checking Fi3/shrd_sec_lib against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fshrd_sec_lib" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Fi3/shrd_sec_lib 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/Fi3/shrd_sec_lib [INFO] finished tweaking git repo https://github.com/Fi3/shrd_sec_lib [INFO] tweaked toml for git repo https://github.com/Fi3/shrd_sec_lib written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Fi3/shrd_sec_lib 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] Downloading crates ... [INFO] [stderr] Downloaded ofb v0.1.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 342432aaa2172f9a7029ba20530d5e55a87b7cc5dfec5526bd3bb11dad5c68eb [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" "342432aaa2172f9a7029ba20530d5e55a87b7cc5dfec5526bd3bb11dad5c68eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "342432aaa2172f9a7029ba20530d5e55a87b7cc5dfec5526bd3bb11dad5c68eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "342432aaa2172f9a7029ba20530d5e55a87b7cc5dfec5526bd3bb11dad5c68eb", kill_on_drop: false }` [INFO] [stdout] 342432aaa2172f9a7029ba20530d5e55a87b7cc5dfec5526bd3bb11dad5c68eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e85d16864c3b007cf0e81ab6a2a2c35105e3f166a71e2d7edae25c7dbe2b0a7 [INFO] running `Command { std: "docker" "start" "-a" "7e85d16864c3b007cf0e81ab6a2a2c35105e3f166a71e2d7edae25c7dbe2b0a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Compiling memsec v0.5.7 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking hex_fmt v0.3.0 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking secrecy v0.6.0 [INFO] [stderr] Checking tiny-keccak v1.5.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace-sys v0.1.33 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking errno v0.2.4 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking block-cipher-trait v0.6.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking stream-cipher v0.3.2 [INFO] [stderr] Checking aes-soft v0.3.3 [INFO] [stderr] Checking ofb v0.1.1 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking rand04 v0.1.1 [INFO] [stderr] Checking pairing v0.14.2 [INFO] [stderr] Checking aes v0.3.2 [INFO] [stderr] Checking rand04_compat v0.1.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.11 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking thiserror v1.0.11 [INFO] [stderr] Checking threshold_crypto v0.3.2 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking shrd_sec_lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the `?` operator can only be used in a method that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/root/root.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 143 | / fn get_seed(&self, members: &Vec) -> Result>, Error> { [INFO] [stdout] 144 | | let members = self.decrypt_secrets(members)?; [INFO] [stdout] 145 | | let ciphertext: Ciphertext = bincode::deserialize(&self.encrypted_seed[..]).unwrap(); [INFO] [stdout] 146 | | let mut shares = BTreeMap::new(); [INFO] [stdout] ... | [INFO] [stdout] 151 | | let dec_share = secret_key_share.decrypt_share(&ciphertext)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a method that returns `Result>, root::root::Error>` [INFO] [stdout] ... | [INFO] [stdout] 161 | | Ok(Secret::new(seed)) [INFO] [stdout] 162 | | } [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result>, root::root::Error>` [INFO] [stdout] = note: required by `from_residual` [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 E0277`. [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a method that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/root/root.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 143 | / fn get_seed(&self, members: &Vec) -> Result>, Error> { [INFO] [stdout] 144 | | let members = self.decrypt_secrets(members)?; [INFO] [stdout] 145 | | let ciphertext: Ciphertext = bincode::deserialize(&self.encrypted_seed[..]).unwrap(); [INFO] [stdout] 146 | | let mut shares = BTreeMap::new(); [INFO] [stdout] ... | [INFO] [stdout] 151 | | let dec_share = secret_key_share.decrypt_share(&ciphertext)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a method that returns `Result>, root::root::Error>` [INFO] [stdout] ... | [INFO] [stdout] 161 | | Ok(Secret::new(seed)) [INFO] [stdout] 162 | | } [INFO] [stdout] | |_____- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result>, root::root::Error>` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `shrd_sec_lib` [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: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7e85d16864c3b007cf0e81ab6a2a2c35105e3f166a71e2d7edae25c7dbe2b0a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e85d16864c3b007cf0e81ab6a2a2c35105e3f166a71e2d7edae25c7dbe2b0a7", kill_on_drop: false }` [INFO] [stdout] 7e85d16864c3b007cf0e81ab6a2a2c35105e3f166a71e2d7edae25c7dbe2b0a7