[INFO] fetching crate ela 0.1.0...
[INFO] checking ela-0.1.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate ela 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ela 0.1.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ela 0.1.0
[INFO] finished tweaking crates.io crate ela 0.1.0
[INFO] tweaked toml for crates.io crate ela 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e5668ea4cd36c40eba8390c6ec20c02ac1304fb008da919448ac35b92472bd8
[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" "1e5668ea4cd36c40eba8390c6ec20c02ac1304fb008da919448ac35b92472bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5668ea4cd36c40eba8390c6ec20c02ac1304fb008da919448ac35b92472bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5668ea4cd36c40eba8390c6ec20c02ac1304fb008da919448ac35b92472bd8", kill_on_drop: false }`
[INFO] [stdout] 1e5668ea4cd36c40eba8390c6ec20c02ac1304fb008da919448ac35b92472bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 172bf1bdcfb680ab537e19a448aeb3a82f445e80e39173f0620c0c6191aca9f4
[INFO] running `Command { std: "docker" "start" "-a" "172bf1bdcfb680ab537e19a448aeb3a82f445e80e39173f0620c0c6191aca9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.55
[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 rand_chacha v0.2.2
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.9
[INFO] [stderr]     Checking ela v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "172bf1bdcfb680ab537e19a448aeb3a82f445e80e39173f0620c0c6191aca9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172bf1bdcfb680ab537e19a448aeb3a82f445e80e39173f0620c0c6191aca9f4", kill_on_drop: false }`
[INFO] [stdout] 172bf1bdcfb680ab537e19a448aeb3a82f445e80e39173f0620c0c6191aca9f4