[INFO] fetching crate purple 0.0.1-placeholder...
[INFO] testing purple-0.0.1-placeholder against 1.49.0 for beta-1.50-1
[INFO] extracting crate purple 0.0.1-placeholder into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate purple 0.0.1-placeholder 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 purple 0.0.1-placeholder
[INFO] finished tweaking crates.io crate purple 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate purple 0.0.1-placeholder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate purple 0.0.1-placeholder already has a lockfile, it will not be regenerated
[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] 12544d0e50942202934218391d392597a8526bac2a2eceac570910eeb92b3219
[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" "12544d0e50942202934218391d392597a8526bac2a2eceac570910eeb92b3219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12544d0e50942202934218391d392597a8526bac2a2eceac570910eeb92b3219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12544d0e50942202934218391d392597a8526bac2a2eceac570910eeb92b3219", kill_on_drop: false }`
[INFO] [stdout] 12544d0e50942202934218391d392597a8526bac2a2eceac570910eeb92b3219
[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] eaefab053a6cb1eb58372cc91ce929b3561809ad225d33d281edc19d927dee16
[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" "eaefab053a6cb1eb58372cc91ce929b3561809ad225d33d281edc19d927dee16", kill_on_drop: false }`
[INFO] [stderr]    Compiling purple v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "eaefab053a6cb1eb58372cc91ce929b3561809ad225d33d281edc19d927dee16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaefab053a6cb1eb58372cc91ce929b3561809ad225d33d281edc19d927dee16", kill_on_drop: false }`
[INFO] [stdout] eaefab053a6cb1eb58372cc91ce929b3561809ad225d33d281edc19d927dee16
[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] [stdout] 5e722311920e13197ef3f95c1325f096d009e18b8caaa87cce94c34a74833528
[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" "5e722311920e13197ef3f95c1325f096d009e18b8caaa87cce94c34a74833528", kill_on_drop: false }`
[INFO] [stderr]    Compiling purple v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "5e722311920e13197ef3f95c1325f096d009e18b8caaa87cce94c34a74833528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e722311920e13197ef3f95c1325f096d009e18b8caaa87cce94c34a74833528", kill_on_drop: false }`
[INFO] [stdout] 5e722311920e13197ef3f95c1325f096d009e18b8caaa87cce94c34a74833528
[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] 1b47dd5a47ca0a966b2b0f905d8e838b29f54898f3c4287daf7269ca34444f63
[INFO] running `Command { std: "docker" "start" "-a" "1b47dd5a47ca0a966b2b0f905d8e838b29f54898f3c4287daf7269ca34444f63", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/purple-ee2a19919a4978b8
[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" "1b47dd5a47ca0a966b2b0f905d8e838b29f54898f3c4287daf7269ca34444f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b47dd5a47ca0a966b2b0f905d8e838b29f54898f3c4287daf7269ca34444f63", kill_on_drop: false }`
[INFO] [stdout] 1b47dd5a47ca0a966b2b0f905d8e838b29f54898f3c4287daf7269ca34444f63