[INFO] updating cached repository https://github.com/peterdelevoryas/state-machine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae06bdc900a4ed380a5b5b67dc4b72865adf70eb
[INFO] checking peterdelevoryas/state-machine against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Fstate-machine" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterdelevoryas/state-machine on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/peterdelevoryas/state-machine
[INFO] finished tweaking git repo https://github.com/peterdelevoryas/state-machine
[INFO] tweaked toml for git repo https://github.com/peterdelevoryas/state-machine written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/peterdelevoryas/state-machine already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34c7c4a0e7d4a90659709713ddefb5e8197060dd138ccabc6038cc94ce41690e
[INFO] running `"docker" "start" "-a" "34c7c4a0e7d4a90659709713ddefb5e8197060dd138ccabc6038cc94ce41690e"`
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rayon-core v1.0.2
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]     Checking protobuf v1.2.2
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling ring v0.9.7
[INFO] [stderr]     Checking kinetic-protobuf v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking state-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: found removed `do catch` syntax
[INFO] [stderr]    --> src/main.rs:253:25
[INFO] [stderr]     |
[INFO] [stderr] 253 |     let r: Result<()> = do catch {
[INFO] [stderr]     |                         ^^^^^^^^ help: replace with the new syntax: `try`
[INFO] [stderr]     |
[INFO] [stderr]     = note: following RFC #2388, the new non-placeholder syntax is `try`
[INFO] [stderr] 
[INFO] [stderr] error: found removed `do catch` syntax
[INFO] [stderr]    --> src/main.rs:253:25
[INFO] [stderr]     |
[INFO] [stderr] 253 |     let r: Result<()> = do catch {
[INFO] [stderr]     |                         ^^^^^^^^ help: replace with the new syntax: `try`
[INFO] [stderr]     |
[INFO] [stderr]     = note: following RFC #2388, the new non-placeholder syntax is `try`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `try` expression is experimental
[INFO] [stderr]    --> src/main.rs:253:25
[INFO] [stderr]     |
[INFO] [stderr] 253 |       let r: Result<()> = do catch {
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 254 | |         let path = env::args().nth(1).ok_or("expected kinetic message path as first argument".into())
[INFO] [stderr] 255 | |                        .and_then(|s| Path::canonicalize(s.as_ref())
[INFO] [stderr] 256 | |                        .chain_err(|| "kinetic message path does not exist"))?;
[INFO] [stderr] ...   |
[INFO] [stderr] 271 | |         Ok(())
[INFO] [stderr] 272 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stderr]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     use bytes::BytesMut;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `kinetic_protobuf::Message`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     use kinetic_protobuf::Message;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::decoder::Decoder`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use frame::decoder::Decoder;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::authenticator::Authenticator`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use frame::authenticator::Authenticator;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::decoder::Component`
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use frame::decoder::Component;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     use errors::*;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/main.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |     use std::str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::authenticator::Authenticator`
[INFO] [stderr]    --> src/main.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     use frame::authenticator::Authenticator;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: `try` expression is experimental
[INFO] [stderr]    --> src/main.rs:253:25
[INFO] [stderr]     |
[INFO] [stderr] 253 |       let r: Result<()> = do catch {
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 254 | |         let path = env::args().nth(1).ok_or("expected kinetic message path as first argument".into())
[INFO] [stderr] 255 | |                        .and_then(|s| Path::canonicalize(s.as_ref())
[INFO] [stderr] 256 | |                        .chain_err(|| "kinetic message path does not exist"))?;
[INFO] [stderr] ...   |
[INFO] [stderr] 271 | |         Ok(())
[INFO] [stderr] 272 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stderr]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     use bytes::BytesMut;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `kinetic_protobuf::Message`
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     use kinetic_protobuf::Message;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::decoder::Decoder`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use frame::decoder::Decoder;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::authenticator::Authenticator`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use frame::authenticator::Authenticator;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::decoder::Component`
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use frame::decoder::Component;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     use errors::*;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/main.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |     use std::str;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `frame::authenticator::Authenticator`
[INFO] [stderr]    --> src/main.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     use frame::authenticator::Authenticator;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<std::result::Result<(), errors::Error> as std::ops::Try>::Ok == std::result::Result<(), _>`
[INFO] [stderr]    --> src/main.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         Ok(())
[INFO] [stderr]     |         ^^^^^^ expected `()`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `()`
[INFO] [stderr]                found enum `std::result::Result<(), _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `state-machine`.
[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] [stderr] error[E0271]: type mismatch resolving `<std::result::Result<(), errors::Error> as std::ops::Try>::Ok == std::result::Result<(), _>`
[INFO] [stderr]    --> src/main.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         Ok(())
[INFO] [stderr]     |         ^^^^^^ expected `()`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `()`
[INFO] [stderr]                found enum `std::result::Result<(), _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `state-machine`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "34c7c4a0e7d4a90659709713ddefb5e8197060dd138ccabc6038cc94ce41690e"`
[INFO] running `"docker" "rm" "-f" "34c7c4a0e7d4a90659709713ddefb5e8197060dd138ccabc6038cc94ce41690e"`
[INFO] [stdout] 34c7c4a0e7d4a90659709713ddefb5e8197060dd138ccabc6038cc94ce41690e
