[INFO] cloning repository https://github.com/milyin/sexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milyin/sexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9768367f60c3b3803dd1a6df31649a5e6992a111
[INFO] checking milyin/sexpr against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milyin/sexpr 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/milyin/sexpr
[INFO] finished tweaking git repo https://github.com/milyin/sexpr
[INFO] tweaked toml for git repo https://github.com/milyin/sexpr written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/milyin/sexpr 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] aa0a975811f4de9f0c93c690c3f2c6e8c1fe7c253b16c637e2c3783c3566a556
[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" "aa0a975811f4de9f0c93c690c3f2c6e8c1fe7c253b16c637e2c3783c3566a556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0a975811f4de9f0c93c690c3f2c6e8c1fe7c253b16c637e2c3783c3566a556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0a975811f4de9f0c93c690c3f2c6e8c1fe7c253b16c637e2c3783c3566a556", kill_on_drop: false }`
[INFO] [stdout] aa0a975811f4de9f0c93c690c3f2c6e8c1fe7c253b16c637e2c3783c3566a556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 8eb7280c3412767953bff966c77df958122184f8c7cc2d31fb40db65dbbdf1c8
[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" "8eb7280c3412767953bff966c77df958122184f8c7cc2d31fb40db65dbbdf1c8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking sexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                      ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `rest`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest @ ..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                      ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `rest`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest @ ..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sexpr`
[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" "8eb7280c3412767953bff966c77df958122184f8c7cc2d31fb40db65dbbdf1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb7280c3412767953bff966c77df958122184f8c7cc2d31fb40db65dbbdf1c8", kill_on_drop: false }`
[INFO] [stdout] 8eb7280c3412767953bff966c77df958122184f8c7cc2d31fb40db65dbbdf1c8