[INFO] cloning repository https://github.com/Syfaro/foxbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syfaro/foxbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Ffoxbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Ffoxbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2942a98916277dc1f3e3ddc04a0c4d6b384b09e9
[INFO] checking Syfaro/foxbot against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyfaro%2Ffoxbot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syfaro/foxbot on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Syfaro/foxbot
[INFO] finished tweaking git repo https://github.com/Syfaro/foxbot
[INFO] tweaked toml for git repo https://github.com/Syfaro/foxbot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Syfaro/foxbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "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] af195ad5b58ceaade2f03cef1da5cda4194570ca1c8d2b9dbe15938a99a21cb6
[INFO] running `Command { std: "docker" "start" "-a" "af195ad5b58ceaade2f03cef1da5cda4194570ca1c8d2b9dbe15938a99a21cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af195ad5b58ceaade2f03cef1da5cda4194570ca1c8d2b9dbe15938a99a21cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af195ad5b58ceaade2f03cef1da5cda4194570ca1c8d2b9dbe15938a99a21cb6", kill_on_drop: false }`
[INFO] [stdout] af195ad5b58ceaade2f03cef1da5cda4194570ca1c8d2b9dbe15938a99a21cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec95f7e3b2d8ca4d4b39ccb1d4926b998e113773514e2d299f7c90466ee5cf54
[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" "ec95f7e3b2d8ca4d4b39ccb1d4926b998e113773514e2d299f7c90466ee5cf54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]    Compiling barrel v0.5.8
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[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/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[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 `lock_api`.
[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" "ec95f7e3b2d8ca4d4b39ccb1d4926b998e113773514e2d299f7c90466ee5cf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec95f7e3b2d8ca4d4b39ccb1d4926b998e113773514e2d299f7c90466ee5cf54", kill_on_drop: false }`
[INFO] [stdout] ec95f7e3b2d8ca4d4b39ccb1d4926b998e113773514e2d299f7c90466ee5cf54
