[INFO] cloning repository https://github.com/doctorn/cluster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doctorn/cluster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoctorn%2Fcluster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoctorn%2Fcluster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac3985530354664c7143fe2404a29f8d04f1dcca
[INFO] checking doctorn/cluster against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoctorn%2Fcluster" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doctorn/cluster on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doctorn/cluster
[INFO] finished tweaking git repo https://github.com/doctorn/cluster
[INFO] tweaked toml for git repo https://github.com/doctorn/cluster written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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 gethostname v0.2.1
[INFO] [stderr]   Downloaded mustache v0.9.0
[INFO] [stderr]   Downloaded git2 v0.9.2
[INFO] [stderr]   Downloaded nickel v0.11.0
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded tiny_http v0.6.4
[INFO] [stderr]   Downloaded libgit2-sys v0.8.2
[INFO] [stderr]   Downloaded tar v0.4.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] d99bec080c4d14d7b434bb064da3a81efed9b9431f585e998ceddfbcc4edff1c
[INFO] running `Command { std: "docker" "start" "-a" "d99bec080c4d14d7b434bb064da3a81efed9b9431f585e998ceddfbcc4edff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99bec080c4d14d7b434bb064da3a81efed9b9431f585e998ceddfbcc4edff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99bec080c4d14d7b434bb064da3a81efed9b9431f585e998ceddfbcc4edff1c", kill_on_drop: false }`
[INFO] [stdout] d99bec080c4d14d7b434bb064da3a81efed9b9431f585e998ceddfbcc4edff1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d995635ca01685a810c0ee65010207b7d65b5f61d8cf3d1fc4bfef9a7ee10f
[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" "05d995635ca01685a810c0ee65010207b7d65b5f61d8cf3d1fc4bfef9a7ee10f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   cookie v0.11.4 (as host dependency): aes-gcm, base64, hkdf, hmac, key-expansion, private, rand, secure, sha2, signed
[INFO] [stderr]   rocket_http v0.4.10 (as host dependency): private-cookies
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling semver v0.9.0
[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 unicase v1.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking cookie v0.11.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]    Compiling rocket_http v0.4.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking tiny_http v0.6.4
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking rocket_contrib v0.4.10
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking cluster v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/server/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/client/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 23s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling cookie v0.11.4
[INFO] [stderr]    Compiling rocket_http v0.4.10
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]     Checking rocket v0.4.10
[INFO] [stderr]     Checking rocket_contrib v0.4.10
[INFO] [stderr]     Checking cluster v0.2.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.59s
[INFO] running `Command { std: "docker" "inspect" "05d995635ca01685a810c0ee65010207b7d65b5f61d8cf3d1fc4bfef9a7ee10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d995635ca01685a810c0ee65010207b7d65b5f61d8cf3d1fc4bfef9a7ee10f", kill_on_drop: false }`
[INFO] [stdout] 05d995635ca01685a810c0ee65010207b7d65b5f61d8cf3d1fc4bfef9a7ee10f