[INFO] fetching crate twiggy-opt 0.7.0...
[INFO] testing twiggy-opt-0.7.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate twiggy-opt 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate twiggy-opt 0.7.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twiggy-opt 0.7.0
[INFO] finished tweaking crates.io crate twiggy-opt 0.7.0
[INFO] tweaked toml for crates.io crate twiggy-opt 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad135def8ba7fb6a68198399816c423fd7b85a488a644629b2e0b9758976d0bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad135def8ba7fb6a68198399816c423fd7b85a488a644629b2e0b9758976d0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad135def8ba7fb6a68198399816c423fd7b85a488a644629b2e0b9758976d0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad135def8ba7fb6a68198399816c423fd7b85a488a644629b2e0b9758976d0bb", kill_on_drop: false }`
[INFO] [stdout] ad135def8ba7fb6a68198399816c423fd7b85a488a644629b2e0b9758976d0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 050347085eee31b09505b51c1f0d2b122ac1ea2cae65210423481165c47678aa
[INFO] running `Command { std: "docker" "start" "-a" "050347085eee31b09505b51c1f0d2b122ac1ea2cae65210423481165c47678aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling wasmparser v0.35.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling twiggy-opt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling twiggy-ir v0.7.0
[INFO] [stderr]    Compiling twiggy-traits v0.7.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.47s
[INFO] running `Command { std: "docker" "inspect" "050347085eee31b09505b51c1f0d2b122ac1ea2cae65210423481165c47678aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050347085eee31b09505b51c1f0d2b122ac1ea2cae65210423481165c47678aa", kill_on_drop: false }`
[INFO] [stdout] 050347085eee31b09505b51c1f0d2b122ac1ea2cae65210423481165c47678aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 305153cb7f70294ef0272bddeca9292cdc906c4185da521209f7928a1b7b7c2f
[INFO] running `Command { std: "docker" "start" "-a" "305153cb7f70294ef0272bddeca9292cdc906c4185da521209f7928a1b7b7c2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling twiggy-opt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "305153cb7f70294ef0272bddeca9292cdc906c4185da521209f7928a1b7b7c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305153cb7f70294ef0272bddeca9292cdc906c4185da521209f7928a1b7b7c2f", kill_on_drop: false }`
[INFO] [stdout] 305153cb7f70294ef0272bddeca9292cdc906c4185da521209f7928a1b7b7c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 566462d2046cca5bbb9ec4ab97e29b0eea9c8ea7d4e85bce08eaaf49f22480a5
[INFO] running `Command { std: "docker" "start" "-a" "566462d2046cca5bbb9ec4ab97e29b0eea9c8ea7d4e85bce08eaaf49f22480a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twiggy_opt-c578230f1eabd984)
[INFO] [stderr]    Doc-tests twiggy-opt
[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" "566462d2046cca5bbb9ec4ab97e29b0eea9c8ea7d4e85bce08eaaf49f22480a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566462d2046cca5bbb9ec4ab97e29b0eea9c8ea7d4e85bce08eaaf49f22480a5", kill_on_drop: false }`
[INFO] [stdout] 566462d2046cca5bbb9ec4ab97e29b0eea9c8ea7d4e85bce08eaaf49f22480a5