[INFO] fetching crate syscalls 0.7.0...
[INFO] building syscalls-0.7.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate syscalls 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate syscalls 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate syscalls 0.7.0
[INFO] tweaked toml for crates.io crate syscalls 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syscalls 0.7.0 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 syscalls 0.7.0 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-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f980a28668be69e4a25af8d27b2311450d20861a53d78fa084ceef1bbd6e15c
[INFO] running `Command { std: "docker" "start" "-a" "1f980a28668be69e4a25af8d27b2311450d20861a53d78fa084ceef1bbd6e15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f980a28668be69e4a25af8d27b2311450d20861a53d78fa084ceef1bbd6e15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f980a28668be69e4a25af8d27b2311450d20861a53d78fa084ceef1bbd6e15c", kill_on_drop: false }`
[INFO] [stdout] 1f980a28668be69e4a25af8d27b2311450d20861a53d78fa084ceef1bbd6e15c
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a080ce3b0dbe1c81c909f3f788d0e00e32d9615df36c65c3feb90024e3f57ccb
[INFO] running `Command { std: "docker" "start" "-a" "a080ce3b0dbe1c81c909f3f788d0e00e32d9615df36c65c3feb90024e3f57ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling syscalls v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "a080ce3b0dbe1c81c909f3f788d0e00e32d9615df36c65c3feb90024e3f57ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a080ce3b0dbe1c81c909f3f788d0e00e32d9615df36c65c3feb90024e3f57ccb", kill_on_drop: false }`
[INFO] [stdout] a080ce3b0dbe1c81c909f3f788d0e00e32d9615df36c65c3feb90024e3f57ccb
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd0a37cae0f239abce9da0570d38d2f8ce97e9c2579f9e3fcf7621bbda6b1afa
[INFO] running `Command { std: "docker" "start" "-a" "bd0a37cae0f239abce9da0570d38d2f8ce97e9c2579f9e3fcf7621bbda6b1afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syscalls v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "bd0a37cae0f239abce9da0570d38d2f8ce97e9c2579f9e3fcf7621bbda6b1afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0a37cae0f239abce9da0570d38d2f8ce97e9c2579f9e3fcf7621bbda6b1afa", kill_on_drop: false }`
[INFO] [stdout] bd0a37cae0f239abce9da0570d38d2f8ce97e9c2579f9e3fcf7621bbda6b1afa