[INFO] cloning repository https://github.com/Wadjetz/rust_mindtream_poc_old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wadjetz/rust_mindtream_poc_old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWadjetz%2Frust_mindtream_poc_old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWadjetz%2Frust_mindtream_poc_old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b51ce8a1a9f68332f9c2c4795ef0083227d7c6d
[INFO] checking Wadjetz/rust_mindtream_poc_old against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWadjetz%2Frust_mindtream_poc_old" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wadjetz/rust_mindtream_poc_old on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wadjetz/rust_mindtream_poc_old
[INFO] finished tweaking git repo https://github.com/Wadjetz/rust_mindtream_poc_old
[INFO] tweaked toml for git repo https://github.com/Wadjetz/rust_mindtream_poc_old written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Wadjetz/rust_mindtream_poc_old already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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 crypto-mac v0.5.2
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded hmac v0.5.0
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded string_cache v0.5.2
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded md5 v0.3.7
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.3
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded socket2 v0.3.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded futf v0.1.3
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded bcrypt v0.1.5
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded r2d2-diesel v1.0.0
[INFO] [stderr]   Downloaded syn v0.12.13
[INFO] [stderr]   Downloaded juniper v0.9.2
[INFO] [stderr]   Downloaded migrations_internals v1.1.0
[INFO] [stderr]   Downloaded migrations_macros v1.1.0
[INFO] [stderr]   Downloaded derive-error-chain v0.11.0
[INFO] [stderr]   Downloaded r2d2 v0.8.2
[INFO] [stderr]   Downloaded postgres-derive v0.3.2
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded card-validate v2.1.6
[INFO] [stderr]   Downloaded juniper_rocket v0.1.2
[INFO] [stderr]   Downloaded build_const v0.2.0
[INFO] [stderr]   Downloaded diesel_migrations v1.1.0
[INFO] [stderr]   Downloaded luhnmod10 v1.1.0
[INFO] [stderr]   Downloaded fallible-iterator v0.1.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.6
[INFO] [stderr]   Downloaded feed-rs v0.1.3
[INFO] [stderr]   Downloaded juniper_codegen v0.9.2
[INFO] [stderr]   Downloaded jsonwebtoken v2.0.3
[INFO] [stderr]   Downloaded dotenv v0.11.0
[INFO] [stderr]   Downloaded validator_derive v0.6.1
[INFO] [stderr]   Downloaded markup5ever v0.2.1
[INFO] [stderr]   Downloaded xml5ever v0.7.0
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded remove_dir_all v0.3.0
[INFO] [stderr]   Downloaded tempdir v0.3.6
[INFO] [stderr]   Downloaded hyper v0.11.19
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.26
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded uuid v0.6.0
[INFO] [stderr]   Downloaded diesel v1.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded postgres v0.15.2
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded diesel_derives v1.1.0
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded sha2 v0.7.0
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded postgres-protocol v0.3.2
[INFO] [stderr]   Downloaded postgres-shared v0.4.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.0
[INFO] [stderr]   Downloaded r2d2_postgres v0.14.0
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.1
[INFO] [stderr]   Downloaded schannel v0.1.10
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded if_chain v0.1.2
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded validator v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d1b5c61fb40d7191a24bedb8b4391e39f9d3504e8a11564ac6951e2495abdd4
[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" "7d1b5c61fb40d7191a24bedb8b4391e39f9d3504e8a11564ac6951e2495abdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1b5c61fb40d7191a24bedb8b4391e39f9d3504e8a11564ac6951e2495abdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1b5c61fb40d7191a24bedb8b4391e39f9d3504e8a11564ac6951e2495abdd4", kill_on_drop: false }`
[INFO] [stdout] 7d1b5c61fb40d7191a24bedb8b4391e39f9d3504e8a11564ac6951e2495abdd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0ac280f797d262864f6e57f4a082fb3346ce9100aca2cb99fc1fe41753fd07
[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" "4a0ac280f797d262864f6e57f4a082fb3346ce9100aca2cb99fc1fe41753fd07", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:32
[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 E0554`.
[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" "4a0ac280f797d262864f6e57f4a082fb3346ce9100aca2cb99fc1fe41753fd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0ac280f797d262864f6e57f4a082fb3346ce9100aca2cb99fc1fe41753fd07", kill_on_drop: false }`
[INFO] [stdout] 4a0ac280f797d262864f6e57f4a082fb3346ce9100aca2cb99fc1fe41753fd07
