[INFO] cloning repository https://github.com/kenpratt/rusty_scheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kenpratt/rusty_scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenpratt%2Frusty_scheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenpratt%2Frusty_scheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2020c424a065882e064cfee97341219e0da605fd
[INFO] checking kenpratt/rusty_scheme against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkenpratt%2Frusty_scheme" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kenpratt/rusty_scheme on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kenpratt/rusty_scheme
[INFO] finished tweaking git repo https://github.com/kenpratt/rusty_scheme
[INFO] tweaked toml for git repo https://github.com/kenpratt/rusty_scheme written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kenpratt/rusty_scheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.11
[INFO] [stderr]   Downloaded log v0.3.1
[INFO] [stderr]   Downloaded libc v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de78f52b8d162300688295e2ec11c8d51c3a98b320aa20b4d5359e4d7b92c91
[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" "0de78f52b8d162300688295e2ec11c8d51c3a98b320aa20b4d5359e4d7b92c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de78f52b8d162300688295e2ec11c8d51c3a98b320aa20b4d5359e4d7b92c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de78f52b8d162300688295e2ec11c8d51c3a98b320aa20b4d5359e4d7b92c91", kill_on_drop: false }`
[INFO] [stdout] 0de78f52b8d162300688295e2ec11c8d51c3a98b320aa20b4d5359e4d7b92c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee107f10d4cdf395d34f6c7ff0e7cce306cf5aeee2fec8ed78794a5bc55bc26
[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" "8ee107f10d4cdf395d34f6c7ff0e7cce306cf5aeee2fec8ed78794a5bc55bc26", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.6
[INFO] [stderr]     Checking log v0.3.1
[INFO] [stderr]     Checking getopts v0.2.11
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.11/src/lib.rs:974:33
[INFO] [stdout]     |
[INFO] [stdout] 921 |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]     |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 925 |         state = match (state, whitespace, limit) {
[INFO] [stdout]     |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 974 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]     |                                 ^ use of borrowed `state`
[INFO] [stdout] 975 |         machine(&mut cont, (fake_i, ' '));
[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 `getopts`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8ee107f10d4cdf395d34f6c7ff0e7cce306cf5aeee2fec8ed78794a5bc55bc26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee107f10d4cdf395d34f6c7ff0e7cce306cf5aeee2fec8ed78794a5bc55bc26", kill_on_drop: false }`
[INFO] [stdout] 8ee107f10d4cdf395d34f6c7ff0e7cce306cf5aeee2fec8ed78794a5bc55bc26