[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] testing sector-f/toylang against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Ftoylang" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/toylang on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.3.0
[INFO] [stderr]   Downloaded peg v0.5.4
[INFO] [stderr]   Downloaded bytecount v0.1.7
[INFO] [stderr]   Downloaded itertools v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded liner v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21bccdcd468c05073ce9e19005e5904bf73d79003547c0c4546366614585ec75
[INFO] running `Command { std: "docker" "start" "-a" "21bccdcd468c05073ce9e19005e5904bf73d79003547c0c4546366614585ec75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21bccdcd468c05073ce9e19005e5904bf73d79003547c0c4546366614585ec75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bccdcd468c05073ce9e19005e5904bf73d79003547c0c4546366614585ec75", kill_on_drop: false }`
[INFO] [stdout] 21bccdcd468c05073ce9e19005e5904bf73d79003547c0c4546366614585ec75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79096fa28a419cd15e973456d2a2d74c7864b3cf1dff06d06afc3640c4e2135b
[INFO] running `Command { std: "docker" "start" "-a" "79096fa28a419cd15e973456d2a2d74c7864b3cf1dff06d06afc3640c4e2135b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling bytecount v0.1.7
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]    Compiling itertools v0.7.1
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling 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" "79096fa28a419cd15e973456d2a2d74c7864b3cf1dff06d06afc3640c4e2135b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79096fa28a419cd15e973456d2a2d74c7864b3cf1dff06d06afc3640c4e2135b", kill_on_drop: false }`
[INFO] [stdout] 79096fa28a419cd15e973456d2a2d74c7864b3cf1dff06d06afc3640c4e2135b