[INFO] cloning repository https://github.com/CircuitCoder/stammer [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/stammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d3a1d5dc7ad3e2cc6aa56b6c2bf524a62bd488ed [INFO] checking CircuitCoder/stammer against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CircuitCoder/stammer on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CircuitCoder/stammer [INFO] disabled cargo feature 'default-run' from git repo https://github.com/CircuitCoder/stammer [INFO] finished tweaking git repo https://github.com/CircuitCoder/stammer [INFO] tweaked toml for git repo https://github.com/CircuitCoder/stammer written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/CircuitCoder/stammer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 4e3d085bac19aa51c312ec9bf55a3462fe1c550111af6e274762ba0c814931b7 [INFO] running `"docker" "start" "-a" "4e3d085bac19aa51c312ec9bf55a3462fe1c550111af6e274762ba0c814931b7"` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking pinyin v0.5.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking clap v2.33.0 [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 v0.3.15 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling syn v0.15.31 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling jieba-rs v0.2.6 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Checking hashbrown v0.2.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking stammer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/bin/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(custom_attribute)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/bin/trainer.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(custom_attribute)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/bin/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(custom_attribute)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/bin/trainer.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(custom_attribute)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde::Deserialize` [INFO] [stderr] --> src/bin/trainer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use serde::Deserialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde::Deserialize` [INFO] [stderr] --> src/bin/trainer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use serde::Deserialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 1 warning emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not compile `stammer`. [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: aborting due to previous error; 1 warning emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not compile `stammer`. [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: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not compile `stammer`. [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: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not compile `stammer`. [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" "4e3d085bac19aa51c312ec9bf55a3462fe1c550111af6e274762ba0c814931b7"` [INFO] running `"docker" "rm" "-f" "4e3d085bac19aa51c312ec9bf55a3462fe1c550111af6e274762ba0c814931b7"` [INFO] [stdout] 4e3d085bac19aa51c312ec9bf55a3462fe1c550111af6e274762ba0c814931b7