[INFO] fetching crate str-buf 4.0.0...
[INFO] building str-buf-4.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate str-buf 4.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate str-buf 4.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate str-buf 4.0.0
[INFO] tweaked toml for crates.io crate str-buf 4.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate str-buf 4.0.0 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 str-buf 4.0.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b2190d6e1d1a6268a52d93e6a6728c7ea425622647fc009c380608f3bd541a8
[INFO] running `Command { std: "docker" "start" "-a" "9b2190d6e1d1a6268a52d93e6a6728c7ea425622647fc009c380608f3bd541a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b2190d6e1d1a6268a52d93e6a6728c7ea425622647fc009c380608f3bd541a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2190d6e1d1a6268a52d93e6a6728c7ea425622647fc009c380608f3bd541a8", kill_on_drop: false }`
[INFO] [stdout] 9b2190d6e1d1a6268a52d93e6a6728c7ea425622647fc009c380608f3bd541a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c260d3e5650dc6bf2d067c372c21605d8a9960387a4704297ed5f0fb8551b3b9
[INFO] running `Command { std: "docker" "start" "-a" "c260d3e5650dc6bf2d067c372c21605d8a9960387a4704297ed5f0fb8551b3b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-buf v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c260d3e5650dc6bf2d067c372c21605d8a9960387a4704297ed5f0fb8551b3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c260d3e5650dc6bf2d067c372c21605d8a9960387a4704297ed5f0fb8551b3b9", kill_on_drop: false }`
[INFO] [stdout] c260d3e5650dc6bf2d067c372c21605d8a9960387a4704297ed5f0fb8551b3b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3bde4f79cf1f9d75d29030d8759d3dbbe6b0d39503b268a309ee8a22d3de5425
[INFO] running `Command { std: "docker" "start" "-a" "3bde4f79cf1f9d75d29030d8759d3dbbe6b0d39503b268a309ee8a22d3de5425", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-buf v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3bde4f79cf1f9d75d29030d8759d3dbbe6b0d39503b268a309ee8a22d3de5425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bde4f79cf1f9d75d29030d8759d3dbbe6b0d39503b268a309ee8a22d3de5425", kill_on_drop: false }`
[INFO] [stdout] 3bde4f79cf1f9d75d29030d8759d3dbbe6b0d39503b268a309ee8a22d3de5425