[INFO] fetching crate image-base64-wasm 0.3.0...
[INFO] testing image-base64-wasm-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate image-base64-wasm 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate image-base64-wasm 0.3.0 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate image-base64-wasm 0.3.0
[INFO] finished tweaking crates.io crate image-base64-wasm 0.3.0
[INFO] tweaked toml for crates.io crate image-base64-wasm 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1fca99b5e4c27c043f4ea4eecce30a00b06335a6291c1563d11afc5d54ce9d70
[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" "1fca99b5e4c27c043f4ea4eecce30a00b06335a6291c1563d11afc5d54ce9d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fca99b5e4c27c043f4ea4eecce30a00b06335a6291c1563d11afc5d54ce9d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fca99b5e4c27c043f4ea4eecce30a00b06335a6291c1563d11afc5d54ce9d70", kill_on_drop: false }`
[INFO] [stdout] 1fca99b5e4c27c043f4ea4eecce30a00b06335a6291c1563d11afc5d54ce9d70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1f40abb5fda13a3e4ded92de2c963fa513c5e20149ebbf93c2127b1c5b180137
[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" "1f40abb5fda13a3e4ded92de2c963fa513c5e20149ebbf93c2127b1c5b180137", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling image-base64-wasm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "1f40abb5fda13a3e4ded92de2c963fa513c5e20149ebbf93c2127b1c5b180137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f40abb5fda13a3e4ded92de2c963fa513c5e20149ebbf93c2127b1c5b180137", kill_on_drop: false }`
[INFO] [stdout] 1f40abb5fda13a3e4ded92de2c963fa513c5e20149ebbf93c2127b1c5b180137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 46a6cc8a1333906eca651ef7c6351e3692e339ef9e30fdb86011992175a7f59b
[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" "46a6cc8a1333906eca651ef7c6351e3692e339ef9e30fdb86011992175a7f59b", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-base64-wasm v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `image_base64`
[INFO] [stdout]  --> tests/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate image_base64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image-base64-wasm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "46a6cc8a1333906eca651ef7c6351e3692e339ef9e30fdb86011992175a7f59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a6cc8a1333906eca651ef7c6351e3692e339ef9e30fdb86011992175a7f59b", kill_on_drop: false }`
[INFO] [stdout] 46a6cc8a1333906eca651ef7c6351e3692e339ef9e30fdb86011992175a7f59b