[INFO] cloning repository https://github.com/EugenFeuer/feuernes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EugenFeuer/feuernes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenFeuer%2Ffeuernes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenFeuer%2Ffeuernes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14a1b18f032c1724a3ed4792c3d2355f81c4b1f3
[INFO] checking EugenFeuer/feuernes against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEugenFeuer%2Ffeuernes" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EugenFeuer/feuernes on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EugenFeuer/feuernes
[INFO] finished tweaking git repo https://github.com/EugenFeuer/feuernes
[INFO] tweaked toml for git repo https://github.com/EugenFeuer/feuernes written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/EugenFeuer/feuernes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4541c98c5dd89640451a29f50d298dfd5306c20e4526089ee2b730f57f39fbed
[INFO] running `Command { std: "docker" "start" "-a" "4541c98c5dd89640451a29f50d298dfd5306c20e4526089ee2b730f57f39fbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4541c98c5dd89640451a29f50d298dfd5306c20e4526089ee2b730f57f39fbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4541c98c5dd89640451a29f50d298dfd5306c20e4526089ee2b730f57f39fbed", kill_on_drop: false }`
[INFO] [stdout] 4541c98c5dd89640451a29f50d298dfd5306c20e4526089ee2b730f57f39fbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad9315db45735ba1c890c0869024454ea7fa4982acc09014c65663dd41f7b22a
[INFO] running `Command { std: "docker" "start" "-a" "ad9315db45735ba1c890c0869024454ea7fa4982acc09014c65663dd41f7b22a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking feuernes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0609]: no field `history` on type `&mut CPU`
[INFO] [stdout]    --> src/cpu/cpu.rs:681:18
[INFO] [stdout]     |
[INFO] [stdout] 681 |             self.history.push(**code);
[INFO] [stdout]     |                  ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `pc`, `sp`, `acc`, `rx`, `ry` ... and 2 others
[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 E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `feuernes`
[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[E0609]: no field `history` on type `&mut cpu::CPU`
[INFO] [stdout]    --> src/cpu/cpu.rs:681:18
[INFO] [stdout]     |
[INFO] [stdout] 681 |             self.history.push(**code);
[INFO] [stdout]     |                  ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `pc`, `sp`, `acc`, `rx`, `ry` ... and 2 others
[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 E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ad9315db45735ba1c890c0869024454ea7fa4982acc09014c65663dd41f7b22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9315db45735ba1c890c0869024454ea7fa4982acc09014c65663dd41f7b22a", kill_on_drop: false }`
[INFO] [stdout] ad9315db45735ba1c890c0869024454ea7fa4982acc09014c65663dd41f7b22a