[INFO] fetching crate tree-cache 0.1.0...
[INFO] building tree-cache-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tree-cache 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate tree-cache 0.1.0
[INFO] finished tweaking crates.io crate tree-cache 0.1.0
[INFO] tweaked toml for crates.io crate tree-cache 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-cache 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c232f300a3e545bbf9619707f6593869c618ecf2538138d8417d17d3a4f9e76
[INFO] running `Command { std: "docker" "start" "-a" "3c232f300a3e545bbf9619707f6593869c618ecf2538138d8417d17d3a4f9e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c232f300a3e545bbf9619707f6593869c618ecf2538138d8417d17d3a4f9e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c232f300a3e545bbf9619707f6593869c618ecf2538138d8417d17d3a4f9e76", kill_on_drop: false }`
[INFO] [stdout] 3c232f300a3e545bbf9619707f6593869c618ecf2538138d8417d17d3a4f9e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7a5dafbcc26793243f8ee5c3216781244c3c0d59a0c3bb440be4ffe5bd18ec
[INFO] running `Command { std: "docker" "start" "-a" "6c7a5dafbcc26793243f8ee5c3216781244c3c0d59a0c3bb440be4ffe5bd18ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "6c7a5dafbcc26793243f8ee5c3216781244c3c0d59a0c3bb440be4ffe5bd18ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7a5dafbcc26793243f8ee5c3216781244c3c0d59a0c3bb440be4ffe5bd18ec", kill_on_drop: false }`
[INFO] [stdout] 6c7a5dafbcc26793243f8ee5c3216781244c3c0d59a0c3bb440be4ffe5bd18ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df07a313860291ec570e60b64c86804e4dbb3e9c9175b69a09f10aa5022f7ac
[INFO] running `Command { std: "docker" "start" "-a" "9df07a313860291ec570e60b64c86804e4dbb3e9c9175b69a09f10aa5022f7ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9df07a313860291ec570e60b64c86804e4dbb3e9c9175b69a09f10aa5022f7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df07a313860291ec570e60b64c86804e4dbb3e9c9175b69a09f10aa5022f7ac", kill_on_drop: false }`
[INFO] [stdout] 9df07a313860291ec570e60b64c86804e4dbb3e9c9175b69a09f10aa5022f7ac