[INFO] fetching crate unwrap_to 0.1.0...
[INFO] testing unwrap_to-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate unwrap_to 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unwrap_to 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unwrap_to 0.1.0
[INFO] finished tweaking crates.io crate unwrap_to 0.1.0
[INFO] tweaked toml for crates.io crate unwrap_to 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", 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] fd0376031e6a759c4d40e2e23570b954a3c8b6ee60e2f377eabf8b7bd60edadf
[INFO] running `Command { std: "docker" "start" "-a" "fd0376031e6a759c4d40e2e23570b954a3c8b6ee60e2f377eabf8b7bd60edadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0376031e6a759c4d40e2e23570b954a3c8b6ee60e2f377eabf8b7bd60edadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0376031e6a759c4d40e2e23570b954a3c8b6ee60e2f377eabf8b7bd60edadf", kill_on_drop: false }`
[INFO] [stdout] fd0376031e6a759c4d40e2e23570b954a3c8b6ee60e2f377eabf8b7bd60edadf
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 91f1deb88c86d067b2a2dfc1c3fefb153a4bc1491f75e5a1a4b5eb74b752f721
[INFO] running `Command { std: "docker" "start" "-a" "91f1deb88c86d067b2a2dfc1c3fefb153a4bc1491f75e5a1a4b5eb74b752f721", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap_to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "91f1deb88c86d067b2a2dfc1c3fefb153a4bc1491f75e5a1a4b5eb74b752f721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f1deb88c86d067b2a2dfc1c3fefb153a4bc1491f75e5a1a4b5eb74b752f721", kill_on_drop: false }`
[INFO] [stdout] 91f1deb88c86d067b2a2dfc1c3fefb153a4bc1491f75e5a1a4b5eb74b752f721
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e4265a30240c7a601b27bd1f4cb8b1ff73fb3bb866ff3ddcbd8c419d0dac0c
[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" "94e4265a30240c7a601b27bd1f4cb8b1ff73fb3bb866ff3ddcbd8c419d0dac0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap_to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "94e4265a30240c7a601b27bd1f4cb8b1ff73fb3bb866ff3ddcbd8c419d0dac0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e4265a30240c7a601b27bd1f4cb8b1ff73fb3bb866ff3ddcbd8c419d0dac0c", kill_on_drop: false }`
[INFO] [stdout] 94e4265a30240c7a601b27bd1f4cb8b1ff73fb3bb866ff3ddcbd8c419d0dac0c
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41728ccd745b450f744b6a7e65eab9ff4cf92eca511acc02fd8f9416ee8e864b
[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" "41728ccd745b450f744b6a7e65eab9ff4cf92eca511acc02fd8f9416ee8e864b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unwrap_to-c72b9df2dcc364df)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests unwrap_to
[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 2 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - unwrap_to (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41728ccd745b450f744b6a7e65eab9ff4cf92eca511acc02fd8f9416ee8e864b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41728ccd745b450f744b6a7e65eab9ff4cf92eca511acc02fd8f9416ee8e864b", kill_on_drop: false }`
[INFO] [stdout] 41728ccd745b450f744b6a7e65eab9ff4cf92eca511acc02fd8f9416ee8e864b