[INFO] cloning repository https://github.com/bch29/battlebots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bch29/battlebots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbch29%2Fbattlebots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbch29%2Fbattlebots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc35b194f7cbd3ce538e9770573ac03bee7440e1
[INFO] checking bch29/battlebots against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbch29%2Fbattlebots" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bch29/battlebots on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bch29/battlebots
[INFO] finished tweaking git repo https://github.com/bch29/battlebots
[INFO] tweaked toml for git repo https://github.com/bch29/battlebots written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bch29/battlebots already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.7.11
[INFO] [stderr]   Downloaded shared_library v0.1.4
[INFO] [stderr]   Downloaded android_glue v0.1.3
[INFO] [stderr]   Downloaded gleam v0.2.20
[INFO] [stderr]   Downloaded quasi v0.13.0
[INFO] [stderr]   Downloaded quasi_codegen v0.13.0
[INFO] [stderr]   Downloaded serde_macros v0.7.11
[INFO] [stderr]   Downloaded gl_generator v0.5.1
[INFO] [stderr]   Downloaded quasi_macros v0.13.0
[INFO] [stderr]   Downloaded libloading v0.2.2
[INFO] [stderr]   Downloaded serde_codegen v0.7.11
[INFO] [stderr]   Downloaded serde_json v0.7.3
[INFO] [stderr]   Downloaded x11-dl v2.6.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.4
[INFO] [stderr]   Downloaded glium v0.14.0
[INFO] [stderr]   Downloaded serde_item v0.2.0
[INFO] [stderr]   Downloaded aster v0.19.0
[INFO] [stderr]   Downloaded glutin v0.5.2
[INFO] [stderr]   Downloaded cgmath v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 083a3ebe62f0fefea3f29abdf5bb1b243005db1444b77b62098a508ad42b3c48
[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" "083a3ebe62f0fefea3f29abdf5bb1b243005db1444b77b62098a508ad42b3c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083a3ebe62f0fefea3f29abdf5bb1b243005db1444b77b62098a508ad42b3c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083a3ebe62f0fefea3f29abdf5bb1b243005db1444b77b62098a508ad42b3c48", kill_on_drop: false }`
[INFO] [stdout] 083a3ebe62f0fefea3f29abdf5bb1b243005db1444b77b62098a508ad42b3c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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] 6126dea137983c253907c0a36a84636c8c1034336f1d1ad5c0e1ddc59551485f
[INFO] running `Command { std: "docker" "start" "-a" "6126dea137983c253907c0a36a84636c8c1034336f1d1ad5c0e1ddc59551485f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]    Compiling x11-dl v2.6.1
[INFO] [stderr]    Compiling aster v0.19.0
[INFO] [stderr]    Compiling serde_codegen v0.7.11
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling serde_item v0.2.0
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_item-0.2.0/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quasi v0.13.0
[INFO] [stderr]     Checking serde v0.7.11
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_item`
[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] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.13.0/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.19.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6126dea137983c253907c0a36a84636c8c1034336f1d1ad5c0e1ddc59551485f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6126dea137983c253907c0a36a84636c8c1034336f1d1ad5c0e1ddc59551485f", kill_on_drop: false }`
[INFO] [stdout] 6126dea137983c253907c0a36a84636c8c1034336f1d1ad5c0e1ddc59551485f