[INFO] fetching crate espadrille 0.1.0...
[INFO] testing espadrille-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate espadrille 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate espadrille 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate espadrille 0.1.0
[INFO] finished tweaking crates.io crate espadrille 0.1.0
[INFO] tweaked toml for crates.io crate espadrille 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate espadrille 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f2834173d1c0b6058524ff0bfe379765691feda16a7b78481c1160109c26efc
[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" "1f2834173d1c0b6058524ff0bfe379765691feda16a7b78481c1160109c26efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f2834173d1c0b6058524ff0bfe379765691feda16a7b78481c1160109c26efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2834173d1c0b6058524ff0bfe379765691feda16a7b78481c1160109c26efc", kill_on_drop: false }`
[INFO] [stdout] 1f2834173d1c0b6058524ff0bfe379765691feda16a7b78481c1160109c26efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d8dd20c273d859ebb1cdb66e2f9c5c20e0d3ceaefd88b64b64358508658c19
[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" "e7d8dd20c273d859ebb1cdb66e2f9c5c20e0d3ceaefd88b64b64358508658c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MinorVersion(u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.69s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7d8dd20c273d859ebb1cdb66e2f9c5c20e0d3ceaefd88b64b64358508658c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d8dd20c273d859ebb1cdb66e2f9c5c20e0d3ceaefd88b64b64358508658c19", kill_on_drop: false }`
[INFO] [stdout] e7d8dd20c273d859ebb1cdb66e2f9c5c20e0d3ceaefd88b64b64358508658c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8afedf25f32c1358d08b62e7b9f13aebfe475dda66f35f441f7ce406f4ea3d8b
[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" "8afedf25f32c1358d08b62e7b9f13aebfe475dda66f35f441f7ce406f4ea3d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling espadrille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout]   --> src/env.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     MinorVersion(u8, u8),
[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 0.90s
[INFO] running `Command { std: "docker" "inspect" "8afedf25f32c1358d08b62e7b9f13aebfe475dda66f35f441f7ce406f4ea3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afedf25f32c1358d08b62e7b9f13aebfe475dda66f35f441f7ce406f4ea3d8b", kill_on_drop: false }`
[INFO] [stdout] 8afedf25f32c1358d08b62e7b9f13aebfe475dda66f35f441f7ce406f4ea3d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a1e651ff9eb296adbc13dca2d87b22e1b6c5082d6038c0d33833d1b52cac290
[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" "2a1e651ff9eb296adbc13dca2d87b22e1b6c5082d6038c0d33833d1b52cac290", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `MinorVersion`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/env.rs:11:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 11 |     MinorVersion(u8, u8),
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/espadrille-27f892ce95f4e92f
[INFO] running `Command { std: "docker" "inspect" "2a1e651ff9eb296adbc13dca2d87b22e1b6c5082d6038c0d33833d1b52cac290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1e651ff9eb296adbc13dca2d87b22e1b6c5082d6038c0d33833d1b52cac290", kill_on_drop: false }`
[INFO] [stdout] 2a1e651ff9eb296adbc13dca2d87b22e1b6c5082d6038c0d33833d1b52cac290