[INFO] fetching crate syncgroup 0.1.1...
[INFO] testing syncgroup-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate syncgroup 0.1.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate syncgroup 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-83/source/Cargo.toml
[INFO] crate crates.io crate syncgroup 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468d59b0b19e03410ad27f8726d3fa4696ca61b3fb2a6300a7e61276f2226a90
[INFO] running `Command { std: "docker" "start" "-a" "468d59b0b19e03410ad27f8726d3fa4696ca61b3fb2a6300a7e61276f2226a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468d59b0b19e03410ad27f8726d3fa4696ca61b3fb2a6300a7e61276f2226a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468d59b0b19e03410ad27f8726d3fa4696ca61b3fb2a6300a7e61276f2226a90", kill_on_drop: false }`
[INFO] [stdout] 468d59b0b19e03410ad27f8726d3fa4696ca61b3fb2a6300a7e61276f2226a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac0268b830b422636911e9093b0f07c8fd026398763ef29079ee4be0bce922f
[INFO] running `Command { std: "docker" "start" "-a" "6ac0268b830b422636911e9093b0f07c8fd026398763ef29079ee4be0bce922f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6ac0268b830b422636911e9093b0f07c8fd026398763ef29079ee4be0bce922f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac0268b830b422636911e9093b0f07c8fd026398763ef29079ee4be0bce922f", kill_on_drop: false }`
[INFO] [stdout] 6ac0268b830b422636911e9093b0f07c8fd026398763ef29079ee4be0bce922f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc237c86a010af83f28baadec582d4b7a72c693628d06a99394e5f1e3d55ea0
[INFO] running `Command { std: "docker" "start" "-a" "ddc237c86a010af83f28baadec582d4b7a72c693628d06a99394e5f1e3d55ea0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ddc237c86a010af83f28baadec582d4b7a72c693628d06a99394e5f1e3d55ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc237c86a010af83f28baadec582d4b7a72c693628d06a99394e5f1e3d55ea0", kill_on_drop: false }`
[INFO] [stdout] ddc237c86a010af83f28baadec582d4b7a72c693628d06a99394e5f1e3d55ea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fde3f9d6df3cb6cbf426fa69309626b6f24d92625a7ed3b9fece47bbddc3cce
[INFO] running `Command { std: "docker" "start" "-a" "3fde3f9d6df3cb6cbf426fa69309626b6f24d92625a7ed3b9fece47bbddc3cce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syncgroup-6603e8a190f08ae9)
[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" "3fde3f9d6df3cb6cbf426fa69309626b6f24d92625a7ed3b9fece47bbddc3cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fde3f9d6df3cb6cbf426fa69309626b6f24d92625a7ed3b9fece47bbddc3cce", kill_on_drop: false }`
[INFO] [stdout] 3fde3f9d6df3cb6cbf426fa69309626b6f24d92625a7ed3b9fece47bbddc3cce