[INFO] cloning repository https://github.com/thebracket/rust_brain_teasers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebracket/rust_brain_teasers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0398ab8977b5a701dfbe9ca13967dcf388541d18
[INFO] checking thebracket/rust_brain_teasers against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Frust_brain_teasers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thebracket/rust_brain_teasers on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thebracket/rust_brain_teasers
[INFO] finished tweaking git repo https://github.com/thebracket/rust_brain_teasers
[INFO] tweaked toml for git repo https://github.com/thebracket/rust_brain_teasers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thebracket/rust_brain_teasers 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" "+af54b6062f33b99e418444700f3a823ef0214052" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e1e0638dac7bf334b7937dd758566732bda82c93501dc56515b6a1d58bf15a
[INFO] running `Command { std: "docker" "start" "-a" "29e1e0638dac7bf334b7937dd758566732bda82c93501dc56515b6a1d58bf15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e1e0638dac7bf334b7937dd758566732bda82c93501dc56515b6a1d58bf15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e1e0638dac7bf334b7937dd758566732bda82c93501dc56515b6a1d58bf15a", kill_on_drop: false }`
[INFO] [stdout] 29e1e0638dac7bf334b7937dd758566732bda82c93501dc56515b6a1d58bf15a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac85704cfa6ec04fe1f181c87798beb0d8e86ffad38d63b804914b30bca340e
[INFO] running `Command { std: "docker" "start" "-a" "8ac85704cfa6ec04fe1f181c87798beb0d8e86ffad38d63b804914b30bca340e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking reboot_universe v0.1.0 (/opt/rustwide/workdir/reboot_universe)
[INFO] [stderr]     Checking gordian_knot v0.1.0 (/opt/rustwide/workdir/gordian_knot)
[INFO] [stderr]     Checking byte_sized v0.1.0 (/opt/rustwide/workdir/byte_sized)
[INFO] [stdout] error[E0505]: cannot move out of `document` because it is borrowed
[INFO] [stdout]   --> gordian_knot/src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 8  |     let mut document = Parser {
[INFO] [stdout]    |         ------------ binding `document` declared here
[INFO] [stdout] ...
[INFO] [stdout] 12 |     document.subtext = &document.body;
[INFO] [stdout]    |                        -------------- borrow of `document.body` occurs here
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |     let b = document;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             move out of `document` occurs here
[INFO] [stdout]    |             borrow later used here
[INFO] [stdout]    |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 12 |     document.subtext = &document.body.clone();
[INFO] [stdout]    |                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0505`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gordian_knot` (bin "gordian_knot" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8ac85704cfa6ec04fe1f181c87798beb0d8e86ffad38d63b804914b30bca340e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac85704cfa6ec04fe1f181c87798beb0d8e86ffad38d63b804914b30bca340e", kill_on_drop: false }`
[INFO] [stdout] 8ac85704cfa6ec04fe1f181c87798beb0d8e86ffad38d63b804914b30bca340e