[INFO] fetching crate protofish 0.4.0...
[INFO] checking protofish-0.4.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate protofish 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate protofish 0.4.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protofish 0.4.0
[INFO] finished tweaking crates.io crate protofish 0.4.0
[INFO] tweaked toml for crates.io crate protofish 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] cd3e2090ad6a77e32b01a168c53d452a23486c22fb4b4ad8f9a41e5b9bc45e9d
[INFO] running `Command { std: "docker" "start" "-a" "cd3e2090ad6a77e32b01a168c53d452a23486c22fb4b4ad8f9a41e5b9bc45e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3e2090ad6a77e32b01a168c53d452a23486c22fb4b4ad8f9a41e5b9bc45e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3e2090ad6a77e32b01a168c53d452a23486c22fb4b4ad8f9a41e5b9bc45e9d", kill_on_drop: false }`
[INFO] [stdout] cd3e2090ad6a77e32b01a168c53d452a23486c22fb4b4ad8f9a41e5b9bc45e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] e552ebf468252b3e56d95f0e3c00e5ce3141798401aed54841b290e51ce07526
[INFO] running `Command { std: "docker" "start" "-a" "e552ebf468252b3e56d95f0e3c00e5ce3141798401aed54841b290e51ce07526", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking pest v2.1.3
[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 v0.4.0 (/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 15.62s
[INFO] running `Command { std: "docker" "inspect" "e552ebf468252b3e56d95f0e3c00e5ce3141798401aed54841b290e51ce07526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e552ebf468252b3e56d95f0e3c00e5ce3141798401aed54841b290e51ce07526", kill_on_drop: false }`
[INFO] [stdout] e552ebf468252b3e56d95f0e3c00e5ce3141798401aed54841b290e51ce07526