[INFO] cloning repository https://github.com/jeremyandrews/neighbor2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremyandrews/neighbor2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyandrews%2Fneighbor2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyandrews%2Fneighbor2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20cebcc32446b22d6791b45969ff8e97b047e330
[INFO] checking jeremyandrews/neighbor2 against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyandrews%2Fneighbor2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyandrews/neighbor2 on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremyandrews/neighbor2
[INFO] finished tweaking git repo https://github.com/jeremyandrews/neighbor2
[INFO] tweaked toml for git repo https://github.com/jeremyandrews/neighbor2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyandrews/neighbor2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded httpdate v1.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.43
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded tokio-util v0.6.8
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded axum v0.2.3
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded flate2 v1.0.21
[INFO] [stderr]   Downloaded tokio v1.11.0
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded http v0.2.4
[INFO] [stderr]   Downloaded serde_json v1.0.67
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded hyper v0.14.12
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded futures-util v0.3.17
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded futures-channel v0.3.17
[INFO] [stderr]   Downloaded socket2 v0.4.1
[INFO] [stderr]   Downloaded percent-encoding v2.1.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.0
[INFO] [stderr]   Downloaded tower-http v0.1.1
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded futures-sink v0.3.17
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded form_urlencoded v1.0.1
[INFO] [stderr]   Downloaded sync_wrapper v0.1.1
[INFO] [stderr]   Downloaded http-body v0.4.3
[INFO] [stderr]   Downloaded indexmap v1.7.0
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded httparse v1.5.1
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded matches v0.1.9
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded slab v0.4.4
[INFO] [stderr]   Downloaded futures-core v0.3.17
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded tower-service v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.76
[INFO] [stderr]   Downloaded tracing v0.1.26
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a3c3c31844b4eefb79b670cb46ad3e7421439e92e365d4834f657366adefe1
[INFO] running `Command { std: "docker" "start" "-a" "42a3c3c31844b4eefb79b670cb46ad3e7421439e92e365d4834f657366adefe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a3c3c31844b4eefb79b670cb46ad3e7421439e92e365d4834f657366adefe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a3c3c31844b4eefb79b670cb46ad3e7421439e92e365d4834f657366adefe1", kill_on_drop: false }`
[INFO] [stdout] 42a3c3c31844b4eefb79b670cb46ad3e7421439e92e365d4834f657366adefe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bce4064f67b7a8f2e175299e6e2ea27bf1953278b212fbf391b4402e2cdc96b
[INFO] running `Command { std: "docker" "start" "-a" "6bce4064f67b7a8f2e175299e6e2ea27bf1953278b212fbf391b4402e2cdc96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking flate2 v1.0.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking axum v0.2.3
[INFO] [stderr]     Checking neighbor2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hdrhistogram v6.3.4, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6bce4064f67b7a8f2e175299e6e2ea27bf1953278b212fbf391b4402e2cdc96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bce4064f67b7a8f2e175299e6e2ea27bf1953278b212fbf391b4402e2cdc96b", kill_on_drop: false }`
[INFO] [stdout] 6bce4064f67b7a8f2e175299e6e2ea27bf1953278b212fbf391b4402e2cdc96b