[INFO] fetching crate thrustin 1.0.1...
[INFO] checking thrustin-1.0.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate thrustin 1.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate thrustin 1.0.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thrustin 1.0.1
[INFO] finished tweaking crates.io crate thrustin 1.0.1
[INFO] tweaked toml for crates.io crate thrustin 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded bson v0.13.0
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded md-5 v0.7.0
[INFO] [stderr]   Downloaded sha-1 v0.7.0
[INFO] [stderr]   Downloaded scan_fmt v0.1.3
[INFO] [stderr]   Downloaded mongodb v0.3.12
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded textnonce v0.6.5
[INFO] [stderr]   Downloaded ws v0.8.1
[INFO] [stderr]   Downloaded rust-argon2 v0.4.0
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791aac779d919bfd01a4353c0411082de9bfc5f9abfcac6a52894e68e0e1e97b
[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" "791aac779d919bfd01a4353c0411082de9bfc5f9abfcac6a52894e68e0e1e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791aac779d919bfd01a4353c0411082de9bfc5f9abfcac6a52894e68e0e1e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791aac779d919bfd01a4353c0411082de9bfc5f9abfcac6a52894e68e0e1e97b", kill_on_drop: false }`
[INFO] [stdout] 791aac779d919bfd01a4353c0411082de9bfc5f9abfcac6a52894e68e0e1e97b
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8498845634caa5c295bc3eda15ed9400b72c3ede00b0ca2110e3928183d0bac0
[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" "8498845634caa5c295bc3eda15ed9400b72c3ede00b0ca2110e3928183d0bac0", 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]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[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 unicode-bidi v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.7
[INFO] [stderr]    Compiling rocket v0.4.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sha2 v0.9.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]    Compiling cookie v0.11.4
[INFO] [stderr]     Checking rust-argon2 v0.4.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking ws v0.8.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]     Checking rocket_http v0.4.7
[INFO] [stderr]     Checking thrustin v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_remove_item)] // for remove item in vector
[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 `thrustin`
[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[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_remove_item)] // for remove item in vector
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "8498845634caa5c295bc3eda15ed9400b72c3ede00b0ca2110e3928183d0bac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8498845634caa5c295bc3eda15ed9400b72c3ede00b0ca2110e3928183d0bac0", kill_on_drop: false }`
[INFO] [stdout] 8498845634caa5c295bc3eda15ed9400b72c3ede00b0ca2110e3928183d0bac0