[INFO] fetching crate thrussh-keys 0.17.3...
[INFO] checking thrussh-keys-0.17.3 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate thrussh-keys 0.17.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate thrussh-keys 0.17.3 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate thrussh-keys 0.17.3
[INFO] finished tweaking crates.io crate thrussh-keys 0.17.3
[INFO] tweaked toml for crates.io crate thrussh-keys 0.17.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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-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" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 71ce1c075aaa13677dbfe8f84beb18ca226b4c8926bd3500b3b88c66f2b08666
[INFO] running `"docker" "start" "-a" "71ce1c075aaa13677dbfe8f84beb18ca226b4c8926bd3500b3b88c66f2b08666"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling vcpkg v0.2.8
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking termcolor v1.1.0
[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]     Checking humantime v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking cryptovec v0.5.0
[INFO] [stderr]    Compiling thrussh-libsodium v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking thrussh-keys v0.17.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]    --> src/lib.rs:697:28
[INFO] [stderr]     |
[INFO] [stderr] 697 |             let (_, buf) = client.sign_request(&public, buf).await?;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `(agent::client::AgentClient<tokio::net::unix::stream::UnixStream>, std::result::Result<cryptovec::CryptoVec, anyhow::Error>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Try` is not implemented for `(agent::client::AgentClient<tokio::net::unix::stream::UnixStream>, std::result::Result<cryptovec::CryptoVec, anyhow::Error>)`
[INFO] [stderr]     = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]    --> src/lib.rs:761:28
[INFO] [stderr]     |
[INFO] [stderr] 761 |             let (_, buf) = client.sign_request(&public, buf).await?;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `(agent::client::AgentClient<tokio::net::unix::stream::UnixStream>, std::result::Result<cryptovec::CryptoVec, anyhow::Error>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Try` is not implemented for `(agent::client::AgentClient<tokio::net::unix::stream::UnixStream>, std::result::Result<cryptovec::CryptoVec, anyhow::Error>)`
[INFO] [stderr]     = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `thrussh-keys`.
[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: build failed
[INFO] running `"docker" "inspect" "71ce1c075aaa13677dbfe8f84beb18ca226b4c8926bd3500b3b88c66f2b08666"`
[INFO] running `"docker" "rm" "-f" "71ce1c075aaa13677dbfe8f84beb18ca226b4c8926bd3500b3b88c66f2b08666"`
[INFO] [stdout] 71ce1c075aaa13677dbfe8f84beb18ca226b4c8926bd3500b3b88c66f2b08666