[INFO] cloning repository https://github.com/xecua/mini-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xecua/mini-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxecua%2Fmini-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxecua%2Fmini-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab3d36713891a032ed3fbd3a0c208d5149cde574
[INFO] testing xecua/mini-py against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxecua%2Fmini-py" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xecua/mini-py on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xecua/mini-py
[INFO] finished tweaking git repo https://github.com/xecua/mini-py
[INFO] tweaked toml for git repo https://github.com/xecua/mini-py written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/xecua/mini-py already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdio-override v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9088a6090f1fd194c686817c5e0a7d47e26a490e2e38397af359ab5f8838e26
[INFO] running `Command { std: "docker" "start" "-a" "d9088a6090f1fd194c686817c5e0a7d47e26a490e2e38397af359ab5f8838e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9088a6090f1fd194c686817c5e0a7d47e26a490e2e38397af359ab5f8838e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9088a6090f1fd194c686817c5e0a7d47e26a490e2e38397af359ab5f8838e26", kill_on_drop: false }`
[INFO] [stdout] d9088a6090f1fd194c686817c5e0a7d47e26a490e2e38397af359ab5f8838e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 479ea43c928ceb2a54a5eae22ce8ea1e862a4d37eb95ddd45a9ffa3205d0fe74
[INFO] running `Command { std: "docker" "start" "-a" "479ea43c928ceb2a54a5eae22ce8ea1e862a4d37eb95ddd45a9ffa3205d0fe74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling minipython v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `PWD` not defined
[INFO] [stdout]   --> src/eval/evaluator.rs:98:64
[INFO] [stdout]    |
[INFO] [stdout] 98 |             parser: Parser::new(&format!("{}/src/std/init.py", env!("PWD")))?,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minipython` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "479ea43c928ceb2a54a5eae22ce8ea1e862a4d37eb95ddd45a9ffa3205d0fe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479ea43c928ceb2a54a5eae22ce8ea1e862a4d37eb95ddd45a9ffa3205d0fe74", kill_on_drop: false }`
[INFO] [stdout] 479ea43c928ceb2a54a5eae22ce8ea1e862a4d37eb95ddd45a9ffa3205d0fe74