[INFO] cloning repository https://github.com/c0ding/proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c0ding/proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98101bdc37a46937aa8f48dbdcc7206bc2f14707
[INFO] checking c0ding/proof against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c0ding/proof 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] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/c0ding/proof
[INFO] finished tweaking git repo https://github.com/c0ding/proof
[INFO] tweaked toml for git repo https://github.com/c0ding/proof written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/c0ding/proof already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primitive-types v0.7.3
[INFO] [stderr]   Downloaded ref-cast v1.0.3
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded environmental v1.1.2
[INFO] [stderr]   Downloaded libp2p-yamux v0.27.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.5.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.24.1
[INFO] [stderr]   Downloaded libp2p-noise v0.26.0
[INFO] [stderr]   Downloaded libp2p-dns v0.24.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.24.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.24.0
[INFO] [stderr]   Downloaded wat v1.0.28
[INFO] [stderr]   Downloaded async-tls v0.10.0
[INFO] [stderr]   Downloaded poly1305 v0.6.1
[INFO] [stderr]   Downloaded handlebars v3.5.1
[INFO] [stderr]   Downloaded scroll_derive v0.10.4
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded wast v27.0.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.24.0
[INFO] [stderr]   Downloaded libp2p-uds v0.24.0
[INFO] [stderr]   Downloaded data-encoding v2.3.1
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.3
[INFO] [stderr]   Downloaded ring v0.16.16
[INFO] [stderr]   Downloaded async-io v1.2.0
[INFO] [stderr]   Downloaded sha2 v0.9.2
[INFO] [stderr]   Downloaded multistream-select v0.8.5
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.6
[INFO] [stderr]   Downloaded ahash v0.4.6
[INFO] [stderr]   Downloaded const-random-macro v0.1.12
[INFO] [stderr]   Downloaded const-random v0.1.12
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] [stderr]   Downloaded lru_time_cache v0.11.2
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.24.0
[INFO] [stderr]   Downloaded libp2p-identify v0.24.0
[INFO] [stderr]   Downloaded libp2p-kad v0.25.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.24.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.24.0
[INFO] [stderr]   Downloaded libp2p-ping v0.24.0
[INFO] [stderr]   Downloaded salsa20 v0.6.0
[INFO] [stderr]   Downloaded libp2p-pnet v0.19.2
[INFO] [stderr]   Downloaded lru v0.6.1
[INFO] [stderr]   Downloaded minicbor-derive v0.6.0
[INFO] [stderr]   Downloaded minicbor v0.7.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.24.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.24.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.25.0
[INFO] [stderr]   Downloaded libp2p-core v0.24.0
[INFO] [stderr]   Downloaded libp2p v0.30.1
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded async-std v1.7.0
[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" "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] e472bcc56c5d87cdcb1d543691c19d358bfe1a6afe88fbf103a574c1f2a86b71
[INFO] running `Command { std: "docker" "start" "-a" "e472bcc56c5d87cdcb1d543691c19d358bfe1a6afe88fbf103a574c1f2a86b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e472bcc56c5d87cdcb1d543691c19d358bfe1a6afe88fbf103a574c1f2a86b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e472bcc56c5d87cdcb1d543691c19d358bfe1a6afe88fbf103a574c1f2a86b71", kill_on_drop: false }`
[INFO] [stdout] e472bcc56c5d87cdcb1d543691c19d358bfe1a6afe88fbf103a574c1f2a86b71
[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" "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] 9da0b6efecda699eb8a82938898e851d84442a8ec86d1991e046c4cae770dfd3
[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" "9da0b6efecda699eb8a82938898e851d84442a8ec86d1991e046c4cae770dfd3", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "9da0b6efecda699eb8a82938898e851d84442a8ec86d1991e046c4cae770dfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da0b6efecda699eb8a82938898e851d84442a8ec86d1991e046c4cae770dfd3", kill_on_drop: false }`
[INFO] [stdout] 9da0b6efecda699eb8a82938898e851d84442a8ec86d1991e046c4cae770dfd3