[INFO] updating cached repository https://github.com/KeisukeToyota/gstats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcbb41505afb717a05937e61ea17319698441508
[INFO] testing KeisukeToyota/gstats against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fgstats" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeisukeToyota/gstats on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KeisukeToyota/gstats
[INFO] finished tweaking git repo https://github.com/KeisukeToyota/gstats
[INFO] tweaked toml for git repo https://github.com/KeisukeToyota/gstats written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/KeisukeToyota/gstats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e16fedcf6b206010beb6e55cf8a146a6f8d0a1c10056dc016973498dc920a71
[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" "9e16fedcf6b206010beb6e55cf8a146a6f8d0a1c10056dc016973498dc920a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e16fedcf6b206010beb6e55cf8a146a6f8d0a1c10056dc016973498dc920a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e16fedcf6b206010beb6e55cf8a146a6f8d0a1c10056dc016973498dc920a71", kill_on_drop: false }`
[INFO] [stdout] 9e16fedcf6b206010beb6e55cf8a146a6f8d0a1c10056dc016973498dc920a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79766c5c461e32b430a01a9adb86731b9437ac560ea6e6dd24ece4c1a7fdd0a
[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" "d79766c5c461e32b430a01a9adb86731b9437ac560ea6e6dd24ece4c1a7fdd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling seahorse v0.2.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.22
[INFO] [stderr]    Compiling gstats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `GITHUB_TOKEN` not defined
[INFO] [stdout]   --> src/lib/commands.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let token = env!("GITHUB_TOKEN");
[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 `GITHUB_TOKEN` not defined
[INFO] [stdout]   --> src/lib/commands.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let token = env!("GITHUB_TOKEN");
[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 `gstats`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d79766c5c461e32b430a01a9adb86731b9437ac560ea6e6dd24ece4c1a7fdd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79766c5c461e32b430a01a9adb86731b9437ac560ea6e6dd24ece4c1a7fdd0a", kill_on_drop: false }`
[INFO] [stdout] d79766c5c461e32b430a01a9adb86731b9437ac560ea6e6dd24ece4c1a7fdd0a