[INFO] fetching crate xkcdpass 0.5.0...
[INFO] testing xkcdpass-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xkcdpass 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xkcdpass 0.5.0 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 xkcdpass 0.5.0
[INFO] finished tweaking crates.io crate xkcdpass 0.5.0
[INFO] tweaked toml for crates.io crate xkcdpass 0.5.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 0b5ac5becc5a19f9a944625487e7799925ec9c90e9ca9b60c129ca4295a4b22e
[INFO] running `Command { std: "docker" "start" "-a" "0b5ac5becc5a19f9a944625487e7799925ec9c90e9ca9b60c129ca4295a4b22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5ac5becc5a19f9a944625487e7799925ec9c90e9ca9b60c129ca4295a4b22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5ac5becc5a19f9a944625487e7799925ec9c90e9ca9b60c129ca4295a4b22e", kill_on_drop: false }`
[INFO] [stdout] 0b5ac5becc5a19f9a944625487e7799925ec9c90e9ca9b60c129ca4295a4b22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f208cfe1fbef3acc70ebfec5d69b0d1e174764d8faa2f8922695a04ef375a5a6
[INFO] running `Command { std: "docker" "start" "-a" "f208cfe1fbef3acc70ebfec5d69b0d1e174764d8faa2f8922695a04ef375a5a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling xkcdpass v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "f208cfe1fbef3acc70ebfec5d69b0d1e174764d8faa2f8922695a04ef375a5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f208cfe1fbef3acc70ebfec5d69b0d1e174764d8faa2f8922695a04ef375a5a6", kill_on_drop: false }`
[INFO] [stdout] f208cfe1fbef3acc70ebfec5d69b0d1e174764d8faa2f8922695a04ef375a5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 7a6887b6cb5c3ddc2a4f5149fb6cebfdeb385d6c51a72b0495d40a34626403d6
[INFO] running `Command { std: "docker" "start" "-a" "7a6887b6cb5c3ddc2a4f5149fb6cebfdeb385d6c51a72b0495d40a34626403d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling xkcdpass v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7a6887b6cb5c3ddc2a4f5149fb6cebfdeb385d6c51a72b0495d40a34626403d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6887b6cb5c3ddc2a4f5149fb6cebfdeb385d6c51a72b0495d40a34626403d6", kill_on_drop: false }`
[INFO] [stdout] 7a6887b6cb5c3ddc2a4f5149fb6cebfdeb385d6c51a72b0495d40a34626403d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 581513acf61b8f241949a0acf4b219ec2d113acc72256ce37f30f5d879fa780f
[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" "581513acf61b8f241949a0acf4b219ec2d113acc72256ce37f30f5d879fa780f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xkcdpass-b1cb7d849c84126a
[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" "581513acf61b8f241949a0acf4b219ec2d113acc72256ce37f30f5d879fa780f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581513acf61b8f241949a0acf4b219ec2d113acc72256ce37f30f5d879fa780f", kill_on_drop: false }`
[INFO] [stdout] 581513acf61b8f241949a0acf4b219ec2d113acc72256ce37f30f5d879fa780f