[INFO] cloning repository https://github.com/sector-f/toylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sector-f/toylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Ftoylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Ftoylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a355a0b1d4bb1817768051f6efbe0a8ea34359ee
[INFO] checking sector-f/toylang against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Ftoylang" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/toylang on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sector-f/toylang
[INFO] finished tweaking git repo https://github.com/sector-f/toylang
[INFO] tweaked toml for git repo https://github.com/sector-f/toylang written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/toylang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96c337375efaeadd07082187128bc83cb7296e976e98228fe59963fe640b04b1
[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" "96c337375efaeadd07082187128bc83cb7296e976e98228fe59963fe640b04b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c337375efaeadd07082187128bc83cb7296e976e98228fe59963fe640b04b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c337375efaeadd07082187128bc83cb7296e976e98228fe59963fe640b04b1", kill_on_drop: false }`
[INFO] [stdout] 96c337375efaeadd07082187128bc83cb7296e976e98228fe59963fe640b04b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 2dcf4805a82531572255411abac3f0db2a098c623395f31440e03fb34f01dd72
[INFO] running `Command { std: "docker" "start" "-a" "2dcf4805a82531572255411abac3f0db2a098c623395f31440e03fb34f01dd72", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]     Checking itertools v0.7.1
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking liner v0.4.2
[INFO] [stderr]    Compiling toylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.2/src/context.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer));
[INFO] [stdout]    |                                                                        ---- borrow of `*self` occurs here
[INFO] [stdout] 97 |             match self.key_bindings {
[INFO] [stdout] 98 |                 KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ use of borrowed `*self`
[INFO] [stdout] 99 |                 KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler),
[INFO] [stdout]    |                                                                      -- borrow later used here
[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 E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `liner`
[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" "2dcf4805a82531572255411abac3f0db2a098c623395f31440e03fb34f01dd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcf4805a82531572255411abac3f0db2a098c623395f31440e03fb34f01dd72", kill_on_drop: false }`
[INFO] [stdout] 2dcf4805a82531572255411abac3f0db2a098c623395f31440e03fb34f01dd72