[INFO] fetching crate confirm 0.1.0...
[INFO] testing confirm-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate confirm 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate confirm 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 confirm 0.1.0
[INFO] finished tweaking crates.io crate confirm 0.1.0
[INFO] tweaked toml for crates.io crate confirm 0.1.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fe4c51eb2a8bd3240f2bd598eb8944ab4cebba42f2b455cffc0a67bce703bcca
[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" "fe4c51eb2a8bd3240f2bd598eb8944ab4cebba42f2b455cffc0a67bce703bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe4c51eb2a8bd3240f2bd598eb8944ab4cebba42f2b455cffc0a67bce703bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4c51eb2a8bd3240f2bd598eb8944ab4cebba42f2b455cffc0a67bce703bcca", kill_on_drop: false }`
[INFO] [stdout] fe4c51eb2a8bd3240f2bd598eb8944ab4cebba42f2b455cffc0a67bce703bcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 57e367e3bf0a7f5f2a8859a714b6447e1f4a7ad5d7ca5c877408aa3a32dc4ac2
[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" "57e367e3bf0a7f5f2a8859a714b6447e1f4a7ad5d7ca5c877408aa3a32dc4ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling confirm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "57e367e3bf0a7f5f2a8859a714b6447e1f4a7ad5d7ca5c877408aa3a32dc4ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e367e3bf0a7f5f2a8859a714b6447e1f4a7ad5d7ca5c877408aa3a32dc4ac2", kill_on_drop: false }`
[INFO] [stdout] 57e367e3bf0a7f5f2a8859a714b6447e1f4a7ad5d7ca5c877408aa3a32dc4ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4fd91d9d7855376dbea599e8a36fd0bba51edc28962e41d5749c2e133f6b6ba7
[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" "4fd91d9d7855376dbea599e8a36fd0bba51edc28962e41d5749c2e133f6b6ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling confirm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "4fd91d9d7855376dbea599e8a36fd0bba51edc28962e41d5749c2e133f6b6ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd91d9d7855376dbea599e8a36fd0bba51edc28962e41d5749c2e133f6b6ba7", kill_on_drop: false }`
[INFO] [stdout] 4fd91d9d7855376dbea599e8a36fd0bba51edc28962e41d5749c2e133f6b6ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] aa65ad6918e8778785f20503deda768cc70a3fac25152ab3e8ed7d62547cb2b4
[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" "aa65ad6918e8778785f20503deda768cc70a3fac25152ab3e8ed7d62547cb2b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/confirm-02e54348e29af10d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test returns_false_for_negative ... ok
[INFO] [stdout] test returns_true_for_positive ... ok
[INFO] [stdout] test returns_false_by_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa65ad6918e8778785f20503deda768cc70a3fac25152ab3e8ed7d62547cb2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa65ad6918e8778785f20503deda768cc70a3fac25152ab3e8ed7d62547cb2b4", kill_on_drop: false }`
[INFO] [stdout] aa65ad6918e8778785f20503deda768cc70a3fac25152ab3e8ed7d62547cb2b4