[INFO] fetching crate vero 0.0.0...
[INFO] building vero-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate vero 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vero 0.0.0
[INFO] finished tweaking crates.io crate vero 0.0.0
[INFO] tweaked toml for crates.io crate vero 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vero 0.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vero 0.0.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2ccc4c698d89dc93b22120a62c1f1f2d9d61fe4cfa3781bb2aa61bf70ed453e
[INFO] running `Command { std: "docker" "start" "-a" "b2ccc4c698d89dc93b22120a62c1f1f2d9d61fe4cfa3781bb2aa61bf70ed453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2ccc4c698d89dc93b22120a62c1f1f2d9d61fe4cfa3781bb2aa61bf70ed453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ccc4c698d89dc93b22120a62c1f1f2d9d61fe4cfa3781bb2aa61bf70ed453e", kill_on_drop: false }`
[INFO] [stdout] b2ccc4c698d89dc93b22120a62c1f1f2d9d61fe4cfa3781bb2aa61bf70ed453e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847a1934bb4cfb38d651fb21fcacb6fbe3fcacadb860101c443a34e1ef8f2f06
[INFO] running `Command { std: "docker" "start" "-a" "847a1934bb4cfb38d651fb21fcacb6fbe3fcacadb860101c443a34e1ef8f2f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling vero v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "847a1934bb4cfb38d651fb21fcacb6fbe3fcacadb860101c443a34e1ef8f2f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847a1934bb4cfb38d651fb21fcacb6fbe3fcacadb860101c443a34e1ef8f2f06", kill_on_drop: false }`
[INFO] [stdout] 847a1934bb4cfb38d651fb21fcacb6fbe3fcacadb860101c443a34e1ef8f2f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a05b709e258676c1c52f4b0b2409b617fe9aaf596835e90afebd33630ccaa316
[INFO] running `Command { std: "docker" "start" "-a" "a05b709e258676c1c52f4b0b2409b617fe9aaf596835e90afebd33630ccaa316", kill_on_drop: false }`
[INFO] [stderr]    Compiling vero v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "a05b709e258676c1c52f4b0b2409b617fe9aaf596835e90afebd33630ccaa316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05b709e258676c1c52f4b0b2409b617fe9aaf596835e90afebd33630ccaa316", kill_on_drop: false }`
[INFO] [stdout] a05b709e258676c1c52f4b0b2409b617fe9aaf596835e90afebd33630ccaa316