[INFO] cloning repository https://github.com/internetimagery/transmute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/internetimagery/transmute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finternetimagery%2Ftransmute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finternetimagery%2Ftransmute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e7fae3112d2a232aab9ff21c33dd9fd7fce5cb0
[INFO] checking internetimagery/transmute against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finternetimagery%2Ftransmute" "/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/internetimagery/transmute on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/internetimagery/transmute
[INFO] finished tweaking git repo https://github.com/internetimagery/transmute
[INFO] tweaked toml for git repo https://github.com/internetimagery/transmute written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/internetimagery/transmute already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ca42ad6f0f75707c49747d170cb8295bb755fe45b44779c2b490e8f98c9817
[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" "47ca42ad6f0f75707c49747d170cb8295bb755fe45b44779c2b490e8f98c9817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ca42ad6f0f75707c49747d170cb8295bb755fe45b44779c2b490e8f98c9817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ca42ad6f0f75707c49747d170cb8295bb755fe45b44779c2b490e8f98c9817", kill_on_drop: false }`
[INFO] [stdout] 47ca42ad6f0f75707c49747d170cb8295bb755fe45b44779c2b490e8f98c9817
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] 1fcecacc5c23e7f1797a96527ef1317cc3623df01889993a17eab41f014bbb9f
[INFO] running `Command { std: "docker" "start" "-a" "1fcecacc5c23e7f1797a96527ef1317cc3623df01889993a17eab41f014bbb9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cpython v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stdout] error[E0425]: cannot find value `PYTHONSYS_ENV_VAR` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.5.0/build.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let flags = match env::var(PYTHONSYS_ENV_VAR) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PYTHONSYS_ENV_VAR` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpython-0.5.0/build.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 PYTHONSYS_ENV_VAR
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpython`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1fcecacc5c23e7f1797a96527ef1317cc3623df01889993a17eab41f014bbb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcecacc5c23e7f1797a96527ef1317cc3623df01889993a17eab41f014bbb9f", kill_on_drop: false }`
[INFO] [stdout] 1fcecacc5c23e7f1797a96527ef1317cc3623df01889993a17eab41f014bbb9f