[INFO] fetching crate tea 0.1.0...
[INFO] testing tea-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tea 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tea 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tea 0.1.0
[INFO] finished tweaking crates.io crate tea 0.1.0
[INFO] tweaked toml for crates.io crate tea 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d8ad15b13635923795e1ef42c6f88c230e3f23a86a07af8cf578644535b3745
[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" "5d8ad15b13635923795e1ef42c6f88c230e3f23a86a07af8cf578644535b3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8ad15b13635923795e1ef42c6f88c230e3f23a86a07af8cf578644535b3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8ad15b13635923795e1ef42c6f88c230e3f23a86a07af8cf578644535b3745", kill_on_drop: false }`
[INFO] [stdout] 5d8ad15b13635923795e1ef42c6f88c230e3f23a86a07af8cf578644535b3745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61fea2a1cf891269970466752a62f364ed3e12dcd5d274146291ed5b840574ec
[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" "61fea2a1cf891269970466752a62f364ed3e12dcd5d274146291ed5b840574ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling petgraph v0.2.10
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling pistoncore-input v0.17.1
[INFO] [stderr]    Compiling stb_truetype v0.2.8
[INFO] [stderr]    Compiling rusttype v0.2.4
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling wayland-scanner v0.8.7
[INFO] [stderr]    Compiling daggy v0.4.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling glutin v0.8.1
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling wayland-sys v0.8.7
[INFO] [stderr]    Compiling wayland-window v0.5.0
[INFO] [stderr]    Compiling wayland-kbd v0.8.0
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling winit v0.6.4
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling conrod v0.51.1
[INFO] [stderr]    Compiling tea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result::Result`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2m 04s
[INFO] running `Command { std: "docker" "inspect" "61fea2a1cf891269970466752a62f364ed3e12dcd5d274146291ed5b840574ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fea2a1cf891269970466752a62f364ed3e12dcd5d274146291ed5b840574ec", kill_on_drop: false }`
[INFO] [stdout] 61fea2a1cf891269970466752a62f364ed3e12dcd5d274146291ed5b840574ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] 127714d13b7dd3b99f4503254e19c1ad147611ea818be87afcc0beb96e07412b
[INFO] running `Command { std: "docker" "start" "-a" "127714d13b7dd3b99f4503254e19c1ad147611ea818be87afcc0beb96e07412b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result::Result`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.47s
[INFO] running `Command { std: "docker" "inspect" "127714d13b7dd3b99f4503254e19c1ad147611ea818be87afcc0beb96e07412b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127714d13b7dd3b99f4503254e19c1ad147611ea818be87afcc0beb96e07412b", kill_on_drop: false }`
[INFO] [stdout] 127714d13b7dd3b99f4503254e19c1ad147611ea818be87afcc0beb96e07412b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] c36a120b74294b7c292c632cabdc519aec9563f7ec3ed5af7048eff04fe2b52e
[INFO] running `Command { std: "docker" "start" "-a" "c36a120b74294b7c292c632cabdc519aec9563f7ec3ed5af7048eff04fe2b52e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tea-806b8a9a1a1a5906
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c36a120b74294b7c292c632cabdc519aec9563f7ec3ed5af7048eff04fe2b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36a120b74294b7c292c632cabdc519aec9563f7ec3ed5af7048eff04fe2b52e", kill_on_drop: false }`
[INFO] [stdout] c36a120b74294b7c292c632cabdc519aec9563f7ec3ed5af7048eff04fe2b52e