[INFO] fetching crate spawn-ptrace 0.1.2...
[INFO] building spawn-ptrace-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate spawn-ptrace 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate spawn-ptrace 0.1.2
[INFO] finished tweaking crates.io crate spawn-ptrace 0.1.2
[INFO] tweaked toml for crates.io crate spawn-ptrace 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spawn-ptrace 0.1.2 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 spawn-ptrace 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 601a51f6834ed8827beffe7de6f7f91f42c74d051ba1ff93d281f042c1e040ec
[INFO] running `Command { std: "docker" "start" "-a" "601a51f6834ed8827beffe7de6f7f91f42c74d051ba1ff93d281f042c1e040ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601a51f6834ed8827beffe7de6f7f91f42c74d051ba1ff93d281f042c1e040ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601a51f6834ed8827beffe7de6f7f91f42c74d051ba1ff93d281f042c1e040ec", kill_on_drop: false }`
[INFO] [stdout] 601a51f6834ed8827beffe7de6f7f91f42c74d051ba1ff93d281f042c1e040ec
[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] 085c0c332773d9659ab462d1a147b69215b0eb6be63c1baf99f1560cc9e653a7
[INFO] running `Command { std: "docker" "start" "-a" "085c0c332773d9659ab462d1a147b69215b0eb6be63c1baf99f1560cc9e653a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling spawn-ptrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "085c0c332773d9659ab462d1a147b69215b0eb6be63c1baf99f1560cc9e653a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085c0c332773d9659ab462d1a147b69215b0eb6be63c1baf99f1560cc9e653a7", kill_on_drop: false }`
[INFO] [stdout] 085c0c332773d9659ab462d1a147b69215b0eb6be63c1baf99f1560cc9e653a7
[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] cafa62214eed54d08ace65f7feb82a1084081123dec4eb8a95372c7f444cd832
[INFO] running `Command { std: "docker" "start" "-a" "cafa62214eed54d08ace65f7feb82a1084081123dec4eb8a95372c7f444cd832", kill_on_drop: false }`
[INFO] [stderr]    Compiling spawn-ptrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "cafa62214eed54d08ace65f7feb82a1084081123dec4eb8a95372c7f444cd832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafa62214eed54d08ace65f7feb82a1084081123dec4eb8a95372c7f444cd832", kill_on_drop: false }`
[INFO] [stdout] cafa62214eed54d08ace65f7feb82a1084081123dec4eb8a95372c7f444cd832