[INFO] fetching crate stag 0.3.0...
[INFO] testing stag-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stag 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stag 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] started tweaking crates.io crate stag 0.3.0
[INFO] finished tweaking crates.io crate stag 0.3.0
[INFO] tweaked toml for crates.io crate stag 0.3.0 written to /workspace/builds/worker-7/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 image v0.17.0
[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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6edb576b544505dd995da058708e0bd53cd438fa1300aa3e39730bd194b4a178
[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" "6edb576b544505dd995da058708e0bd53cd438fa1300aa3e39730bd194b4a178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6edb576b544505dd995da058708e0bd53cd438fa1300aa3e39730bd194b4a178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edb576b544505dd995da058708e0bd53cd438fa1300aa3e39730bd194b4a178", kill_on_drop: false }`
[INFO] [stdout] 6edb576b544505dd995da058708e0bd53cd438fa1300aa3e39730bd194b4a178
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c1bc2c881604b7fc8acf3b567d21217e3424dbc1ee1ba734fa27359bd14791
[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" "d0c1bc2c881604b7fc8acf3b567d21217e3424dbc1ee1ba734fa27359bd14791", kill_on_drop: false }`
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling stag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `Command { std: "docker" "inspect" "d0c1bc2c881604b7fc8acf3b567d21217e3424dbc1ee1ba734fa27359bd14791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c1bc2c881604b7fc8acf3b567d21217e3424dbc1ee1ba734fa27359bd14791", kill_on_drop: false }`
[INFO] [stdout] d0c1bc2c881604b7fc8acf3b567d21217e3424dbc1ee1ba734fa27359bd14791
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20252de79e45ce63dadc8f939bd74c837f94b085b664c3df40efbacb41c53b42
[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" "20252de79e45ce63dadc8f939bd74c837f94b085b664c3df40efbacb41c53b42", kill_on_drop: false }`
[INFO] [stderr]    Compiling stag v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "20252de79e45ce63dadc8f939bd74c837f94b085b664c3df40efbacb41c53b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20252de79e45ce63dadc8f939bd74c837f94b085b664c3df40efbacb41c53b42", kill_on_drop: false }`
[INFO] [stdout] 20252de79e45ce63dadc8f939bd74c837f94b085b664c3df40efbacb41c53b42
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d477ea608ad2cc2f4fe95c1da7393948bdb9aaf5d1856928ef50405d79d54a1b
[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" "d477ea608ad2cc2f4fe95c1da7393948bdb9aaf5d1856928ef50405d79d54a1b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stag-f8c05f08b52c7183
[INFO] [stdout] test gray_alpha::test::alpha ... ok
[INFO] [stdout] test rgb::test::all ... ok
[INFO] [stdout] test gray_alpha::test::all ... ok
[INFO] [stdout] test rgba::test::all ... ok
[INFO] [stdout] test rgba::test::alpha ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d477ea608ad2cc2f4fe95c1da7393948bdb9aaf5d1856928ef50405d79d54a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d477ea608ad2cc2f4fe95c1da7393948bdb9aaf5d1856928ef50405d79d54a1b", kill_on_drop: false }`
[INFO] [stdout] d477ea608ad2cc2f4fe95c1da7393948bdb9aaf5d1856928ef50405d79d54a1b