[INFO] cloning repository https://github.com/qwertxzy/rem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qwertxzy/rem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwertxzy%2Frem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwertxzy%2Frem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1355d1502f7782b887c5eb93cd06cc26e5fc0b48
[INFO] checking qwertxzy/rem against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwertxzy%2Frem" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qwertxzy/rem
[INFO] finished tweaking git repo https://github.com/qwertxzy/rem
[INFO] tweaked toml for git repo https://github.com/qwertxzy/rem written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qwertxzy/rem on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qwertxzy/rem 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a447ff5377b27150a747019bb2263cfe37cc9a8862633fc0dce659be21ca2fe5
[INFO] running `Command { std: "docker" "start" "-a" "a447ff5377b27150a747019bb2263cfe37cc9a8862633fc0dce659be21ca2fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a447ff5377b27150a747019bb2263cfe37cc9a8862633fc0dce659be21ca2fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a447ff5377b27150a747019bb2263cfe37cc9a8862633fc0dce659be21ca2fe5", kill_on_drop: false }`
[INFO] [stdout] a447ff5377b27150a747019bb2263cfe37cc9a8862633fc0dce659be21ca2fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9822fb57187f6b3283cb8416d2b7be54d77e1a6d270f506c1bb9ba7ae200b52
[INFO] running `Command { std: "docker" "start" "-a" "b9822fb57187f6b3283cb8416d2b7be54d77e1a6d270f506c1bb9ba7ae200b52", kill_on_drop: false }`
[INFO] [stderr]     Checking rem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0616]: field `GPR` of struct `CPU` is private
[INFO] [stdout]   --> src/exceptionprocessor.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let syscall_number = cpu.GPR[2]; //read the syscall number from $v0
[INFO] [stdout]    |                                  ^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `GPR` of struct `CPU` is private
[INFO] [stdout]   --> src/exceptionprocessor.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let syscall_number = cpu.GPR[2]; //read the syscall number from $v0
[INFO] [stdout]    |                                  ^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0616`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0616`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rem` (bin "rem" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rem` (bin "rem") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b9822fb57187f6b3283cb8416d2b7be54d77e1a6d270f506c1bb9ba7ae200b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9822fb57187f6b3283cb8416d2b7be54d77e1a6d270f506c1bb9ba7ae200b52", kill_on_drop: false }`
[INFO] [stdout] b9822fb57187f6b3283cb8416d2b7be54d77e1a6d270f506c1bb9ba7ae200b52