[INFO] cloning repository https://github.com/MinkowskiMetric/my_rust_lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinkowskiMetric/my_rust_lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3496e2dde413a430903bee4bf9a8f278877700e9
[INFO] checking MinkowskiMetric/my_rust_lox against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinkowskiMetric/my_rust_lox on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinkowskiMetric/my_rust_lox
[INFO] finished tweaking git repo https://github.com/MinkowskiMetric/my_rust_lox
[INFO] tweaked toml for git repo https://github.com/MinkowskiMetric/my_rust_lox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MinkowskiMetric/my_rust_lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owned_chars v0.3.2
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded delegate-attr v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6211941fccfaeacc85f9c51e4606fefccb4d62d53bceb48b55d09f88130d074
[INFO] running `Command { std: "docker" "start" "-a" "c6211941fccfaeacc85f9c51e4606fefccb4d62d53bceb48b55d09f88130d074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6211941fccfaeacc85f9c51e4606fefccb4d62d53bceb48b55d09f88130d074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6211941fccfaeacc85f9c51e4606fefccb4d62d53bceb48b55d09f88130d074", kill_on_drop: false }`
[INFO] [stdout] c6211941fccfaeacc85f9c51e4606fefccb4d62d53bceb48b55d09f88130d074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a21c6fb1ece412bd5e4816dfe9f9c0e53ebe064ebd29f56325f46732f0c6f3a
[INFO] running `Command { std: "docker" "start" "-a" "4a21c6fb1ece412bd5e4816dfe9f9c0e53ebe064ebd29f56325f46732f0c6f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]     Checking owned_chars v0.3.2
[INFO] [stderr]     Checking my-rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "4a21c6fb1ece412bd5e4816dfe9f9c0e53ebe064ebd29f56325f46732f0c6f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a21c6fb1ece412bd5e4816dfe9f9c0e53ebe064ebd29f56325f46732f0c6f3a", kill_on_drop: false }`
[INFO] [stdout] 4a21c6fb1ece412bd5e4816dfe9f9c0e53ebe064ebd29f56325f46732f0c6f3a