[INFO] cloning repository https://github.com/fanyanjun/learn-proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanyanjun/learn-proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanyanjun%2Flearn-proof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanyanjun%2Flearn-proof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1e9fb4181d4d633cc374eb87a74843258b9de5
[INFO] checking fanyanjun/learn-proof against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanyanjun%2Flearn-proof" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fanyanjun/learn-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] started tweaking git repo https://github.com/fanyanjun/learn-proof
[INFO] finished tweaking git repo https://github.com/fanyanjun/learn-proof
[INFO] tweaked toml for git repo https://github.com/fanyanjun/learn-proof written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/fanyanjun/learn-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-identify v0.20.0
[INFO] [stderr]   Downloaded libflate v1.0.2
[INFO] [stderr]   Downloaded substrate-wasmtime v0.19.0
[INFO] [stderr]   Downloaded tracing-core v0.1.11
[INFO] [stderr]   Downloaded sysinfo v0.14.15
[INFO] [stderr]   Downloaded libp2p-tcp v0.20.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.20.0
[INFO] [stderr]   Downloaded tracing v0.1.17
[INFO] [stderr]   Downloaded libp2p-core v0.20.1
[INFO] [stderr]   Downloaded libp2p-ping v0.20.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.1
[INFO] [stderr]   Downloaded libp2p-mdns v0.20.0
[INFO] [stderr]   Downloaded libp2p-noise v0.21.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.9.0
[INFO] [stderr]   Downloaded libp2p-kad v0.21.0
[INFO] [stderr]   Downloaded protobuf v2.16.2
[INFO] [stderr]   Downloaded libp2p-dns v0.20.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.20.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.20.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.20.1
[INFO] [stderr]   Downloaded libp2p v0.22.0
[INFO] [stderr]   Downloaded yamux v0.4.7
[INFO] [stderr]   Downloaded libp2p-websocket v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] [stdout] 23fb3b7ce5bba89cdc9c3f759b3b54ad7146d1f54e35eadd2a579f6a52f22158
[INFO] running `Command { std: "docker" "start" "-a" "23fb3b7ce5bba89cdc9c3f759b3b54ad7146d1f54e35eadd2a579f6a52f22158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fb3b7ce5bba89cdc9c3f759b3b54ad7146d1f54e35eadd2a579f6a52f22158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fb3b7ce5bba89cdc9c3f759b3b54ad7146d1f54e35eadd2a579f6a52f22158", kill_on_drop: false }`
[INFO] [stdout] 23fb3b7ce5bba89cdc9c3f759b3b54ad7146d1f54e35eadd2a579f6a52f22158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] bc71981b5c274e07602eba2e726b30b92325c424b02680c72f482874f514aa23
[INFO] running `Command { std: "docker" "start" "-a" "bc71981b5c274e07602eba2e726b30b92325c424b02680c72f482874f514aa23", 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" "bc71981b5c274e07602eba2e726b30b92325c424b02680c72f482874f514aa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc71981b5c274e07602eba2e726b30b92325c424b02680c72f482874f514aa23", kill_on_drop: false }`
[INFO] [stdout] bc71981b5c274e07602eba2e726b30b92325c424b02680c72f482874f514aa23