[INFO] fetching crate lightql 0.2.0...
[INFO] checking lightql-0.2.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate lightql 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lightql 0.2.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightql 0.2.0
[INFO] finished tweaking crates.io crate lightql 0.2.0
[INFO] tweaked toml for crates.io crate lightql 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded mio_httpc v0.7.0
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", 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] 9846b50417800233296cd69c58a166fd5ffb428234f9cb3f2fb73aa8cdc6ce21
[INFO] running `Command { std: "docker" "start" "-a" "9846b50417800233296cd69c58a166fd5ffb428234f9cb3f2fb73aa8cdc6ce21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9846b50417800233296cd69c58a166fd5ffb428234f9cb3f2fb73aa8cdc6ce21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9846b50417800233296cd69c58a166fd5ffb428234f9cb3f2fb73aa8cdc6ce21", kill_on_drop: false }`
[INFO] [stdout] 9846b50417800233296cd69c58a166fd5ffb428234f9cb3f2fb73aa8cdc6ce21
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] cf17870fef0730a131ab368f4b31b8a775df84eae8e41aeb16041c72304f0c5f
[INFO] running `Command { std: "docker" "start" "-a" "cf17870fef0730a131ab368f4b31b8a775df84eae8e41aeb16041c72304f0c5f", kill_on_drop: false }`
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling mio_httpc v0.7.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking lightql v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | #![feature(custom_attribute)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | #![feature(custom_attribute)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:387:30
[INFO] [stdout]     |
[INFO] [stdout] 387 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:387:30
[INFO] [stdout]     |
[INFO] [stdout] 387 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightql`
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf17870fef0730a131ab368f4b31b8a775df84eae8e41aeb16041c72304f0c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf17870fef0730a131ab368f4b31b8a775df84eae8e41aeb16041c72304f0c5f", kill_on_drop: false }`
[INFO] [stdout] cf17870fef0730a131ab368f4b31b8a775df84eae8e41aeb16041c72304f0c5f