[INFO] cloning repository https://github.com/Rantanen/protofish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rantanen/protofish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRantanen%2Fprotofish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRantanen%2Fprotofish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fbca21b6e64ffe31cef1240084647d1cb2e31fe
[INFO] checking Rantanen/protofish against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRantanen%2Fprotofish" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rantanen/protofish on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rantanen/protofish
[INFO] finished tweaking git repo https://github.com/Rantanen/protofish
[INFO] tweaked toml for git repo https://github.com/Rantanen/protofish written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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 generic-array v0.12.4
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba885ce66815253137da65feda5081f7730f9352fd8dd1669d70bfb4bd82e1c
[INFO] running `Command { std: "docker" "start" "-a" "7ba885ce66815253137da65feda5081f7730f9352fd8dd1669d70bfb4bd82e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba885ce66815253137da65feda5081f7730f9352fd8dd1669d70bfb4bd82e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba885ce66815253137da65feda5081f7730f9352fd8dd1669d70bfb4bd82e1c", kill_on_drop: false }`
[INFO] [stdout] 7ba885ce66815253137da65feda5081f7730f9352fd8dd1669d70bfb4bd82e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0580d8f8bf901e9c2cb64cd67efe102888d3748d244d6e869496d1914f8b72e3
[INFO] running `Command { std: "docker" "start" "-a" "0580d8f8bf901e9c2cb64cd67efe102888d3748d244d6e869496d1914f8b72e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking protofish v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::BufMut`
[INFO] [stdout]  --> tests/encode-message.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use bytes::BufMut;
[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 23.08s
[INFO] running `Command { std: "docker" "inspect" "0580d8f8bf901e9c2cb64cd67efe102888d3748d244d6e869496d1914f8b72e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0580d8f8bf901e9c2cb64cd67efe102888d3748d244d6e869496d1914f8b72e3", kill_on_drop: false }`
[INFO] [stdout] 0580d8f8bf901e9c2cb64cd67efe102888d3748d244d6e869496d1914f8b72e3