[INFO] fetching crate try_clone_derive 0.1.1...
[INFO] testing try_clone_derive-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate try_clone_derive 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate try_clone_derive 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try_clone_derive 0.1.1
[INFO] finished tweaking crates.io crate try_clone_derive 0.1.1
[INFO] tweaked toml for crates.io crate try_clone_derive 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a44424373423dbd57e14e7c6b9890d4811a29646367624dfe63f8f707a5bcdf
[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" "4a44424373423dbd57e14e7c6b9890d4811a29646367624dfe63f8f707a5bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a44424373423dbd57e14e7c6b9890d4811a29646367624dfe63f8f707a5bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a44424373423dbd57e14e7c6b9890d4811a29646367624dfe63f8f707a5bcdf", kill_on_drop: false }`
[INFO] [stdout] 4a44424373423dbd57e14e7c6b9890d4811a29646367624dfe63f8f707a5bcdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359aa5a16a420fcd393fbb214d0d6d54ed935c895c5cb7944d98c3aef6003ee6
[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" "359aa5a16a420fcd393fbb214d0d6d54ed935c895c5cb7944d98c3aef6003ee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling fallible_collections v0.1.3
[INFO] [stderr]    Compiling try_clone_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "359aa5a16a420fcd393fbb214d0d6d54ed935c895c5cb7944d98c3aef6003ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359aa5a16a420fcd393fbb214d0d6d54ed935c895c5cb7944d98c3aef6003ee6", kill_on_drop: false }`
[INFO] [stdout] 359aa5a16a420fcd393fbb214d0d6d54ed935c895c5cb7944d98c3aef6003ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48628c5aeea92180e769ea42a8388dd3595c401da6ed39676eb8e58da6e3ab76
[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" "48628c5aeea92180e769ea42a8388dd3595c401da6ed39676eb8e58da6e3ab76", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_clone_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/test.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_reserve)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_reserve` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/test.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_reserve)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_clone_derive` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48628c5aeea92180e769ea42a8388dd3595c401da6ed39676eb8e58da6e3ab76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48628c5aeea92180e769ea42a8388dd3595c401da6ed39676eb8e58da6e3ab76", kill_on_drop: false }`
[INFO] [stdout] 48628c5aeea92180e769ea42a8388dd3595c401da6ed39676eb8e58da6e3ab76