[INFO] cloning repository https://github.com/ahosavalike-ucsd-courses/cse231-proj6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahosavalike-ucsd-courses/cse231-proj6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahosavalike-ucsd-courses%2Fcse231-proj6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahosavalike-ucsd-courses%2Fcse231-proj6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c124c38bad15803b4298aca6987799b08ba3aea
[INFO] testing ahosavalike-ucsd-courses/cse231-proj6 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahosavalike-ucsd-courses%2Fcse231-proj6" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ahosavalike-ucsd-courses/cse231-proj6
[INFO] finished tweaking git repo https://github.com/ahosavalike-ucsd-courses/cse231-proj6
[INFO] tweaked toml for git repo https://github.com/ahosavalike-ucsd-courses/cse231-proj6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ahosavalike-ucsd-courses/cse231-proj6 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ahosavalike-ucsd-courses/cse231-proj6 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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 pad v0.1.6
[INFO] [stderr]   Downloaded sexp v1.1.4
[INFO] [stderr]   Downloaded dynasmrt v2.0.0
[INFO] [stderr]   Downloaded unwind_safe v0.1.0
[INFO] [stderr]   Downloaded dynasm v2.0.0
[INFO] [stderr]   Downloaded prettydiff v0.6.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.4
[INFO] [stderr]   Downloaded rustix v0.37.14
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8f6464364a471e14fd6460f77f0a28b1f1060af875c4f60d783fa9dcec861c
[INFO] running `Command { std: "docker" "start" "-a" "bd8f6464364a471e14fd6460f77f0a28b1f1060af875c4f60d783fa9dcec861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8f6464364a471e14fd6460f77f0a28b1f1060af875c4f60d783fa9dcec861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8f6464364a471e14fd6460f77f0a28b1f1060af875c4f60d783fa9dcec861c", kill_on_drop: false }`
[INFO] [stdout] bd8f6464364a471e14fd6460f77f0a28b1f1060af875c4f60d783fa9dcec861c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a99c0e8075b588029f12e7149fd7bf31fea79e4bd6f3850051e49a4efadc4cb
[INFO] running `Command { std: "docker" "start" "-a" "2a99c0e8075b588029f12e7149fd7bf31fea79e4bd6f3850051e49a4efadc4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling sexp v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unwind_safe v0.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a99c0e8075b588029f12e7149fd7bf31fea79e4bd6f3850051e49a4efadc4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a99c0e8075b588029f12e7149fd7bf31fea79e4bd6f3850051e49a4efadc4cb", kill_on_drop: false }`
[INFO] [stdout] 2a99c0e8075b588029f12e7149fd7bf31fea79e4bd6f3850051e49a4efadc4cb