[INFO] fetching crate syncgroup 0.1.1...
[INFO] testing syncgroup-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate syncgroup 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate syncgroup 0.1.1
[INFO] finished tweaking crates.io crate syncgroup 0.1.1
[INFO] tweaked toml for crates.io crate syncgroup 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncgroup 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syncgroup 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd39be3d465d4a4b7215622bee026a81257ab7b15e4b7ca5a5368272be828a48
[INFO] running `Command { std: "docker" "start" "-a" "dd39be3d465d4a4b7215622bee026a81257ab7b15e4b7ca5a5368272be828a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd39be3d465d4a4b7215622bee026a81257ab7b15e4b7ca5a5368272be828a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd39be3d465d4a4b7215622bee026a81257ab7b15e4b7ca5a5368272be828a48", kill_on_drop: false }`
[INFO] [stdout] dd39be3d465d4a4b7215622bee026a81257ab7b15e4b7ca5a5368272be828a48
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f549b292625da0565d5dc4e4571dff136d482932d43f0e7e6c400fa2a75a6d1a
[INFO] running `Command { std: "docker" "start" "-a" "f549b292625da0565d5dc4e4571dff136d482932d43f0e7e6c400fa2a75a6d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f549b292625da0565d5dc4e4571dff136d482932d43f0e7e6c400fa2a75a6d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f549b292625da0565d5dc4e4571dff136d482932d43f0e7e6c400fa2a75a6d1a", kill_on_drop: false }`
[INFO] [stdout] f549b292625da0565d5dc4e4571dff136d482932d43f0e7e6c400fa2a75a6d1a
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31dc90e29418415e7422121a2242adb3d7c438dcd843a9ac60e10a0b1e07a84
[INFO] running `Command { std: "docker" "start" "-a" "d31dc90e29418415e7422121a2242adb3d7c438dcd843a9ac60e10a0b1e07a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d31dc90e29418415e7422121a2242adb3d7c438dcd843a9ac60e10a0b1e07a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31dc90e29418415e7422121a2242adb3d7c438dcd843a9ac60e10a0b1e07a84", kill_on_drop: false }`
[INFO] [stdout] d31dc90e29418415e7422121a2242adb3d7c438dcd843a9ac60e10a0b1e07a84
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91b28c1df26de0520782295404c557c64acd8f2043bbeb4a97153b9a0f97ed47
[INFO] running `Command { std: "docker" "start" "-a" "91b28c1df26de0520782295404c557c64acd8f2043bbeb4a97153b9a0f97ed47", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/syncgroup-bd9c994e90d8d55f)
[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" "91b28c1df26de0520782295404c557c64acd8f2043bbeb4a97153b9a0f97ed47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b28c1df26de0520782295404c557c64acd8f2043bbeb4a97153b9a0f97ed47", kill_on_drop: false }`
[INFO] [stdout] 91b28c1df26de0520782295404c557c64acd8f2043bbeb4a97153b9a0f97ed47