[INFO] fetching crate photosynthesis 0.1.0...
[INFO] testing photosynthesis-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate photosynthesis 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate photosynthesis 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 photosynthesis 0.1.0
[INFO] finished tweaking crates.io crate photosynthesis 0.1.0
[INFO] tweaked toml for crates.io crate photosynthesis 0.1.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b95a6a9db142f99daa10b2e778eb9f040a8ec7b763cdd2c29ae6b70e9ed264d
[INFO] running `Command { std: "docker" "start" "-a" "7b95a6a9db142f99daa10b2e778eb9f040a8ec7b763cdd2c29ae6b70e9ed264d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b95a6a9db142f99daa10b2e778eb9f040a8ec7b763cdd2c29ae6b70e9ed264d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b95a6a9db142f99daa10b2e778eb9f040a8ec7b763cdd2c29ae6b70e9ed264d", kill_on_drop: false }`
[INFO] [stdout] 7b95a6a9db142f99daa10b2e778eb9f040a8ec7b763cdd2c29ae6b70e9ed264d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91ca0cdec05ad38018526b853cd65db5d063387698da3c58c264bad743716aa6
[INFO] running `Command { std: "docker" "start" "-a" "91ca0cdec05ad38018526b853cd65db5d063387698da3c58c264bad743716aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling photosynthesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "91ca0cdec05ad38018526b853cd65db5d063387698da3c58c264bad743716aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ca0cdec05ad38018526b853cd65db5d063387698da3c58c264bad743716aa6", kill_on_drop: false }`
[INFO] [stdout] 91ca0cdec05ad38018526b853cd65db5d063387698da3c58c264bad743716aa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ec5b94c1a90cbc7538aa19c6ce82f31bfbbd9b400afe1ed37473ed5ba7dcad7a
[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" "ec5b94c1a90cbc7538aa19c6ce82f31bfbbd9b400afe1ed37473ed5ba7dcad7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling photosynthesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "ec5b94c1a90cbc7538aa19c6ce82f31bfbbd9b400afe1ed37473ed5ba7dcad7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5b94c1a90cbc7538aa19c6ce82f31bfbbd9b400afe1ed37473ed5ba7dcad7a", kill_on_drop: false }`
[INFO] [stdout] ec5b94c1a90cbc7538aa19c6ce82f31bfbbd9b400afe1ed37473ed5ba7dcad7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d80b4ac548ac4e5052ccaffeca67688a6a4190cf413cb582dc7014be0b6d78a6
[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" "d80b4ac548ac4e5052ccaffeca67688a6a4190cf413cb582dc7014be0b6d78a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/photosynthesis-022ed315909853b0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests photosynthesis
[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 1 test
[INFO] [stdout] test src/lib.rs - synthesize (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d80b4ac548ac4e5052ccaffeca67688a6a4190cf413cb582dc7014be0b6d78a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80b4ac548ac4e5052ccaffeca67688a6a4190cf413cb582dc7014be0b6d78a6", kill_on_drop: false }`
[INFO] [stdout] d80b4ac548ac4e5052ccaffeca67688a6a4190cf413cb582dc7014be0b6d78a6