[INFO] cloning repository https://github.com/flum1025/twistributer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flum1025/twistributer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d96f63663981d451ecbcb3190d9ea7fe4b513653
[INFO] testing flum1025/twistributer against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflum1025%2Ftwistributer" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flum1025/twistributer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flum1025/twistributer
[INFO] finished tweaking git repo https://github.com/flum1025/twistributer
[INFO] tweaked toml for git repo https://github.com/flum1025/twistributer written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/flum1025/twistributer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logger v0.4.0
[INFO] [stderr]   Downloaded openssl v0.10.12
[INFO] [stderr]   Downloaded fern v0.5.6
[INFO] [stderr]   Downloaded cargo_metadata v0.6.0
[INFO] [stderr]   Downloaded reqwest v0.9.1
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.4
[INFO] [stderr]   Downloaded hyper v0.12.10
[INFO] [stderr]   Downloaded rust_info v0.1.15
[INFO] [stderr]   Downloaded run_script v0.1.20
[INFO] [stderr]   Downloaded cargo-make v0.14.0
[INFO] [stderr]   Downloaded ci_info v0.1.19
[INFO] [stderr]   Downloaded shell2batch v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3a9d467643b9cd57519ba863cb2fba2ecc3f7f4628897ada024d4df03aabf89
[INFO] running `Command { std: "docker" "start" "-a" "f3a9d467643b9cd57519ba863cb2fba2ecc3f7f4628897ada024d4df03aabf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a9d467643b9cd57519ba863cb2fba2ecc3f7f4628897ada024d4df03aabf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a9d467643b9cd57519ba863cb2fba2ecc3f7f4628897ada024d4df03aabf89", kill_on_drop: false }`
[INFO] [stdout] f3a9d467643b9cd57519ba863cb2fba2ecc3f7f4628897ada024d4df03aabf89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3d4038f3d71c6b4c0b2a7537204f74356aa28538d96385477c67b2de629f31
[INFO] running `Command { std: "docker" "start" "-a" "aa3d4038f3d71c6b4c0b2a7537204f74356aa28538d96385477c67b2de629f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling rustc_tools_util v0.1.0 (https://github.com/rust-lang-nursery/rust-clippy#c0c770c6)
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling encoding_rs v0.8.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr] error: could not compile `rustc_tools_util`
[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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-clippy-96f6c8ce0bc85cf5/c0c770c/rustc_tools_util/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-clippy-96f6c8ce0bc85cf5/c0c770c/rustc_tools_util/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(tool_lints)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa3d4038f3d71c6b4c0b2a7537204f74356aa28538d96385477c67b2de629f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3d4038f3d71c6b4c0b2a7537204f74356aa28538d96385477c67b2de629f31", kill_on_drop: false }`
[INFO] [stdout] aa3d4038f3d71c6b4c0b2a7537204f74356aa28538d96385477c67b2de629f31
