[INFO] fetching crate sigchld 0.2.4...
[INFO] building sigchld-0.2.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sigchld 0.2.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sigchld 0.2.4
[INFO] finished tweaking crates.io crate sigchld 0.2.4
[INFO] tweaked toml for crates.io crate sigchld 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sigchld 0.2.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sigchld 0.2.4 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared_child v1.1.1
[INFO] [stderr]   Downloaded os_pipe v1.2.2
[INFO] [stderr]   Downloaded duct v1.0.0
[INFO] [stderr]   Downloaded sigchld v0.2.3
[INFO] [stderr]   Downloaded shared_thread v0.1.0
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc7b1ffb30d811370a39a3e38c65d0d5440deafb836befacce06f9e33b4900d5
[INFO] running `Command { std: "docker" "start" "-a" "dc7b1ffb30d811370a39a3e38c65d0d5440deafb836befacce06f9e33b4900d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7b1ffb30d811370a39a3e38c65d0d5440deafb836befacce06f9e33b4900d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7b1ffb30d811370a39a3e38c65d0d5440deafb836befacce06f9e33b4900d5", kill_on_drop: false }`
[INFO] [stdout] dc7b1ffb30d811370a39a3e38c65d0d5440deafb836befacce06f9e33b4900d5
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf89ac57e894c1f96db01a7658146ca6411ff3d9e344dd62e096b1a29769bcda
[INFO] running `Command { std: "docker" "start" "-a" "bf89ac57e894c1f96db01a7658146ca6411ff3d9e344dd62e096b1a29769bcda", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling sigchld v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "bf89ac57e894c1f96db01a7658146ca6411ff3d9e344dd62e096b1a29769bcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf89ac57e894c1f96db01a7658146ca6411ff3d9e344dd62e096b1a29769bcda", kill_on_drop: false }`
[INFO] [stdout] bf89ac57e894c1f96db01a7658146ca6411ff3d9e344dd62e096b1a29769bcda
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e0f44f270297906c2092d2f3ba2b8becfa85f91e7a0457165be23441411a62
[INFO] running `Command { std: "docker" "start" "-a" "c0e0f44f270297906c2092d2f3ba2b8becfa85f91e7a0457165be23441411a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_thread v0.1.0
[INFO] [stderr]    Compiling sigchld v0.2.3
[INFO] [stderr]    Compiling shared_child v1.1.1
[INFO] [stderr]    Compiling duct v1.0.0
[INFO] [stderr]    Compiling sigchld v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "c0e0f44f270297906c2092d2f3ba2b8becfa85f91e7a0457165be23441411a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e0f44f270297906c2092d2f3ba2b8becfa85f91e7a0457165be23441411a62", kill_on_drop: false }`
[INFO] [stdout] c0e0f44f270297906c2092d2f3ba2b8becfa85f91e7a0457165be23441411a62