[INFO] fetching crate spawn-std-core 0.1.0-alpha.1...
[INFO] testing spawn-std-core-0.1.0-alpha.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate spawn-std-core 0.1.0-alpha.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate spawn-std-core 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate spawn-std-core 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate spawn-std-core 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spawn-std-core 0.1.0-alpha.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spawn-std-core 0.1.0-alpha.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc96dc360feca90cd2c47ddf9636128debb4ceefe4f0357f0a19a0156f786ece
[INFO] running `Command { std: "docker" "start" "-a" "cc96dc360feca90cd2c47ddf9636128debb4ceefe4f0357f0a19a0156f786ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc96dc360feca90cd2c47ddf9636128debb4ceefe4f0357f0a19a0156f786ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc96dc360feca90cd2c47ddf9636128debb4ceefe4f0357f0a19a0156f786ece", kill_on_drop: false }`
[INFO] [stdout] cc96dc360feca90cd2c47ddf9636128debb4ceefe4f0357f0a19a0156f786ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c70159dc4e2385d1f5a03af0ca229503f2fd49adc65f9136f7a81af24d14573
[INFO] running `Command { std: "docker" "start" "-a" "4c70159dc4e2385d1f5a03af0ca229503f2fd49adc65f9136f7a81af24d14573", kill_on_drop: false }`
[INFO] [stderr]    Compiling spawn-std-core v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4c70159dc4e2385d1f5a03af0ca229503f2fd49adc65f9136f7a81af24d14573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c70159dc4e2385d1f5a03af0ca229503f2fd49adc65f9136f7a81af24d14573", kill_on_drop: false }`
[INFO] [stdout] 4c70159dc4e2385d1f5a03af0ca229503f2fd49adc65f9136f7a81af24d14573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100912e6bf408a44d7303f8c0782212414ceafccecf6eaf7ded687dbf451503c
[INFO] running `Command { std: "docker" "start" "-a" "100912e6bf408a44d7303f8c0782212414ceafccecf6eaf7ded687dbf451503c", kill_on_drop: false }`
[INFO] [stderr]    Compiling spawn-std-core v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "100912e6bf408a44d7303f8c0782212414ceafccecf6eaf7ded687dbf451503c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100912e6bf408a44d7303f8c0782212414ceafccecf6eaf7ded687dbf451503c", kill_on_drop: false }`
[INFO] [stdout] 100912e6bf408a44d7303f8c0782212414ceafccecf6eaf7ded687dbf451503c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c83b7a66ac01750963d5a450966094c20a58095ffdaf904dc9146c96607022f3
[INFO] running `Command { std: "docker" "start" "-a" "c83b7a66ac01750963d5a450966094c20a58095ffdaf904dc9146c96607022f3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spawn_std_core-6f81c427c84b6dc8)
[INFO] [stderr]    Doc-tests spawn_std_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c83b7a66ac01750963d5a450966094c20a58095ffdaf904dc9146c96607022f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83b7a66ac01750963d5a450966094c20a58095ffdaf904dc9146c96607022f3", kill_on_drop: false }`
[INFO] [stdout] c83b7a66ac01750963d5a450966094c20a58095ffdaf904dc9146c96607022f3