[INFO] fetching crate backpack 0.1.0...
[INFO] testing backpack-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate backpack 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate backpack 0.1.0 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 backpack 0.1.0
[INFO] finished tweaking crates.io crate backpack 0.1.0
[INFO] tweaked toml for crates.io crate backpack 0.1.0 written to /workspace/builds/worker-9/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dd4d02f2dd759c8bc5eebc02d7d4f3fe1d975e3a6c25a706c3f1e6d31b1517f
[INFO] running `Command { std: "docker" "start" "-a" "9dd4d02f2dd759c8bc5eebc02d7d4f3fe1d975e3a6c25a706c3f1e6d31b1517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd4d02f2dd759c8bc5eebc02d7d4f3fe1d975e3a6c25a706c3f1e6d31b1517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd4d02f2dd759c8bc5eebc02d7d4f3fe1d975e3a6c25a706c3f1e6d31b1517f", kill_on_drop: false }`
[INFO] [stdout] 9dd4d02f2dd759c8bc5eebc02d7d4f3fe1d975e3a6c25a706c3f1e6d31b1517f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 90fb84e8224660d8823a066cc62db049332c22b3669aa57476d9ccd13e375904
[INFO] running `Command { std: "docker" "start" "-a" "90fb84e8224660d8823a066cc62db049332c22b3669aa57476d9ccd13e375904", kill_on_drop: false }`
[INFO] [stderr]    Compiling backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "90fb84e8224660d8823a066cc62db049332c22b3669aa57476d9ccd13e375904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fb84e8224660d8823a066cc62db049332c22b3669aa57476d9ccd13e375904", kill_on_drop: false }`
[INFO] [stdout] 90fb84e8224660d8823a066cc62db049332c22b3669aa57476d9ccd13e375904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 00ebc1c8a73ba8354a6f967d9992a323a5fa36a6c96816ff88790eee543ceadb
[INFO] running `Command { std: "docker" "start" "-a" "00ebc1c8a73ba8354a6f967d9992a323a5fa36a6c96816ff88790eee543ceadb", kill_on_drop: false }`
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `File`
[INFO] [stdout]  --> src/file.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "00ebc1c8a73ba8354a6f967d9992a323a5fa36a6c96816ff88790eee543ceadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ebc1c8a73ba8354a6f967d9992a323a5fa36a6c96816ff88790eee543ceadb", kill_on_drop: false }`
[INFO] [stdout] 00ebc1c8a73ba8354a6f967d9992a323a5fa36a6c96816ff88790eee543ceadb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0d2e76ac1a20dd42f400d37bd489bc9260bb89d7d487f8698643aa6286c85c06
[INFO] running `Command { std: "docker" "start" "-a" "0d2e76ac1a20dd42f400d37bd489bc9260bb89d7d487f8698643aa6286c85c06", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `File`
[INFO] [stderr]  --> src/file.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum File {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backpack` (lib) generated 1 warning
[INFO] [stderr] warning: `backpack` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backpack-d8fab884b6ba654e)
[INFO] [stderr]    Doc-tests backpack
[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" "0d2e76ac1a20dd42f400d37bd489bc9260bb89d7d487f8698643aa6286c85c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2e76ac1a20dd42f400d37bd489bc9260bb89d7d487f8698643aa6286c85c06", kill_on_drop: false }`
[INFO] [stdout] 0d2e76ac1a20dd42f400d37bd489bc9260bb89d7d487f8698643aa6286c85c06