[INFO] cloning repository https://github.com/mob-rs/mob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mob-rs/mob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmob-rs%2Fmob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmob-rs%2Fmob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9d10af4ffbe514c542f8964747b24f9c7089a16
[INFO] checking mob-rs/mob against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmob-rs%2Fmob" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mob-rs/mob on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mob-rs/mob
[INFO] finished tweaking git repo https://github.com/mob-rs/mob
[INFO] tweaked toml for git repo https://github.com/mob-rs/mob written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mob-rs/mob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.3
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded schannel v0.1.8
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.4
[INFO] [stderr]   Downloaded libflate v0.1.11
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded native-tls v0.1.4
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded openssl v0.9.19
[INFO] [stderr]   Downloaded diesel_infer_schema v0.12.0
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded ordermap v0.2.12
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded mob_server v0.4.3
[INFO] [stderr]   Downloaded reqwest v0.5.2
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.4.3
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded diesel v0.12.1
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded cookie v0.9.1
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.19
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded diesel_codegen v0.12.0
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c2e29aabd0ff8ef97a200d8bf3a5644fc4dc0d0f1d89c77855990ce5cf1588
[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" "67c2e29aabd0ff8ef97a200d8bf3a5644fc4dc0d0f1d89c77855990ce5cf1588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c2e29aabd0ff8ef97a200d8bf3a5644fc4dc0d0f1d89c77855990ce5cf1588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c2e29aabd0ff8ef97a200d8bf3a5644fc4dc0d0f1d89c77855990ce5cf1588", kill_on_drop: false }`
[INFO] [stdout] 67c2e29aabd0ff8ef97a200d8bf3a5644fc4dc0d0f1d89c77855990ce5cf1588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 00c85762ba12c8b98f642a72495ea342ba1a668e6c7cd8dd71c10c3c2c316dd1
[INFO] running `Command { std: "docker" "start" "-a" "00c85762ba12c8b98f642a72495ea342ba1a668e6c7cd8dd71c10c3c2c316dd1", kill_on_drop: false }`
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#mob_server:0.4.1
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi`
[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 `Command { std: "docker" "inspect" "00c85762ba12c8b98f642a72495ea342ba1a668e6c7cd8dd71c10c3c2c316dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c85762ba12c8b98f642a72495ea342ba1a668e6c7cd8dd71c10c3c2c316dd1", kill_on_drop: false }`
[INFO] [stdout] 00c85762ba12c8b98f642a72495ea342ba1a668e6c7cd8dd71c10c3c2c316dd1