[INFO] fetching crate read-write-pipe 0.1.0...
[INFO] building read-write-pipe-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate read-write-pipe 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate read-write-pipe 0.1.0
[INFO] finished tweaking crates.io crate read-write-pipe 0.1.0
[INFO] tweaked toml for crates.io crate read-write-pipe 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-write-pipe 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate read-write-pipe 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b332c8fbb25860fecef7b187220ebde22d749aea8470a5a07a48dca7667d5878
[INFO] running `Command { std: "docker" "start" "-a" "b332c8fbb25860fecef7b187220ebde22d749aea8470a5a07a48dca7667d5878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b332c8fbb25860fecef7b187220ebde22d749aea8470a5a07a48dca7667d5878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b332c8fbb25860fecef7b187220ebde22d749aea8470a5a07a48dca7667d5878", kill_on_drop: false }`
[INFO] [stdout] b332c8fbb25860fecef7b187220ebde22d749aea8470a5a07a48dca7667d5878
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9be41c95af04a013510e5dee317372b1e2dccc307e5e3bdff01c60b6ac99d54
[INFO] running `Command { std: "docker" "start" "-a" "c9be41c95af04a013510e5dee317372b1e2dccc307e5e3bdff01c60b6ac99d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c9be41c95af04a013510e5dee317372b1e2dccc307e5e3bdff01c60b6ac99d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9be41c95af04a013510e5dee317372b1e2dccc307e5e3bdff01c60b6ac99d54", kill_on_drop: false }`
[INFO] [stdout] c9be41c95af04a013510e5dee317372b1e2dccc307e5e3bdff01c60b6ac99d54
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a6eaf50f4cc7eb0c8692172dcb6ec196c1d3ce41bf0182148cb2258d2060d33
[INFO] running `Command { std: "docker" "start" "-a" "1a6eaf50f4cc7eb0c8692172dcb6ec196c1d3ce41bf0182148cb2258d2060d33", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-pipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "1a6eaf50f4cc7eb0c8692172dcb6ec196c1d3ce41bf0182148cb2258d2060d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6eaf50f4cc7eb0c8692172dcb6ec196c1d3ce41bf0182148cb2258d2060d33", kill_on_drop: false }`
[INFO] [stdout] 1a6eaf50f4cc7eb0c8692172dcb6ec196c1d3ce41bf0182148cb2258d2060d33