[INFO] cloning repository https://github.com/ZPTX4869/lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZPTX4869/lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a309621a7f9854854aca9ddc52bc7828569e331a
[INFO] testing ZPTX4869/lists against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flists" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZPTX4869/lists on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZPTX4869/lists
[INFO] finished tweaking git repo https://github.com/ZPTX4869/lists
[INFO] tweaked toml for git repo https://github.com/ZPTX4869/lists written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/ZPTX4869/lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6475e53f52e7feae79e4e0d977f940984ffbb42184edc361490ef98b45328581
[INFO] running `Command { std: "docker" "start" "-a" "6475e53f52e7feae79e4e0d977f940984ffbb42184edc361490ef98b45328581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6475e53f52e7feae79e4e0d977f940984ffbb42184edc361490ef98b45328581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6475e53f52e7feae79e4e0d977f940984ffbb42184edc361490ef98b45328581", kill_on_drop: false }`
[INFO] [stdout] 6475e53f52e7feae79e4e0d977f940984ffbb42184edc361490ef98b45328581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d33a3ee1b6a9231d812610c5c67354ff6d5301d4d2358155274900b91dcfc2
[INFO] running `Command { std: "docker" "start" "-a" "d6d33a3ee1b6a9231d812610c5c67354ff6d5301d4d2358155274900b91dcfc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn consume(a: String) {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut a = "hello".to_string();
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0505]: cannot move out of `a` because it is borrowed
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 8  |     let b = &a;
[INFO] [stdout]    |             -- borrow of `a` occurs here
[INFO] [stdout] 9  |     {
[INFO] [stdout] 10 |         consume(a);
[INFO] [stdout]    |                 ^ move out of `a` occurs here
[INFO] [stdout] 11 |     }
[INFO] [stdout] 12 |     println!("{}", b)
[INFO] [stdout]    |                    - borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0505`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lists` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d6d33a3ee1b6a9231d812610c5c67354ff6d5301d4d2358155274900b91dcfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d33a3ee1b6a9231d812610c5c67354ff6d5301d4d2358155274900b91dcfc2", kill_on_drop: false }`
[INFO] [stdout] d6d33a3ee1b6a9231d812610c5c67354ff6d5301d4d2358155274900b91dcfc2