[INFO] fetching crate nanowrimo 0.2.5...
[INFO] testing nanowrimo-0.2.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nanowrimo 0.2.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nanowrimo 0.2.5 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 nanowrimo 0.2.5
[INFO] finished tweaking crates.io crate nanowrimo 0.2.5
[INFO] tweaked toml for crates.io crate nanowrimo 0.2.5 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[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 tokio-test v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 48561cfb7ac10b6d0b7b146614b640769e43ce2d65763225e4d41aa9122b1b36
[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" "48561cfb7ac10b6d0b7b146614b640769e43ce2d65763225e4d41aa9122b1b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48561cfb7ac10b6d0b7b146614b640769e43ce2d65763225e4d41aa9122b1b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48561cfb7ac10b6d0b7b146614b640769e43ce2d65763225e4d41aa9122b1b36", kill_on_drop: false }`
[INFO] [stdout] 48561cfb7ac10b6d0b7b146614b640769e43ce2d65763225e4d41aa9122b1b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d03eed8a498b0113e8bf33f6e1aa5c930f021f679855bc042d68131dd2da2a01
[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" "d03eed8a498b0113e8bf33f6e1aa5c930f021f679855bc042d68131dd2da2a01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling nanowrimo v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "d03eed8a498b0113e8bf33f6e1aa5c930f021f679855bc042d68131dd2da2a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03eed8a498b0113e8bf33f6e1aa5c930f021f679855bc042d68131dd2da2a01", kill_on_drop: false }`
[INFO] [stdout] d03eed8a498b0113e8bf33f6e1aa5c930f021f679855bc042d68131dd2da2a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f8d4a8eb0701e1df21303746b7d0c0e4fd156a78036a2717db33b52fa3ba14fb
[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" "f8d4a8eb0701e1df21303746b7d0c0e4fd156a78036a2717db33b52fa3ba14fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling tokio-test v0.3.0
[INFO] [stderr]    Compiling nanowrimo v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `NANO_USERNAME` not defined
[INFO] [stdout]  --> src/client/tests.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NanoClient::new_user(env!("NANO_USERNAME"), env!("NANO_PASSWORD")).await
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `NANO_PASSWORD` not defined
[INFO] [stdout]  --> src/client/tests.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NanoClient::new_user(env!("NANO_USERNAME"), env!("NANO_PASSWORD")).await
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nanowrimo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f8d4a8eb0701e1df21303746b7d0c0e4fd156a78036a2717db33b52fa3ba14fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d4a8eb0701e1df21303746b7d0c0e4fd156a78036a2717db33b52fa3ba14fb", kill_on_drop: false }`
[INFO] [stdout] f8d4a8eb0701e1df21303746b7d0c0e4fd156a78036a2717db33b52fa3ba14fb