[INFO] cloning repository https://github.com/ymgyt/rustc-vs-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/rustc-vs-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e78b2d1117246e4fa1482230861a73522b03a5f8
[INFO] testing ymgyt/rustc-vs-me against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/rustc-vs-me on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ymgyt/rustc-vs-me
[INFO] finished tweaking git repo https://github.com/ymgyt/rustc-vs-me
[INFO] tweaked toml for git repo https://github.com/ymgyt/rustc-vs-me written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/rustc-vs-me already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c648d80cd5114b710713d1b2e3485b73a7f4a1c9a44cf947d3cde32583177f34
[INFO] running `Command { std: "docker" "start" "-a" "c648d80cd5114b710713d1b2e3485b73a7f4a1c9a44cf947d3cde32583177f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c648d80cd5114b710713d1b2e3485b73a7f4a1c9a44cf947d3cde32583177f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c648d80cd5114b710713d1b2e3485b73a7f4a1c9a44cf947d3cde32583177f34", kill_on_drop: false }`
[INFO] [stdout] c648d80cd5114b710713d1b2e3485b73a7f4a1c9a44cf947d3cde32583177f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8eebc67c35bfeb261dac684fed7618f456b800638105bf06797e1543d557c15
[INFO] running `Command { std: "docker" "start" "-a" "a8eebc67c35bfeb261dac684fed7618f456b800638105bf06797e1543d557c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-vs-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "a8eebc67c35bfeb261dac684fed7618f456b800638105bf06797e1543d557c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8eebc67c35bfeb261dac684fed7618f456b800638105bf06797e1543d557c15", kill_on_drop: false }`
[INFO] [stdout] a8eebc67c35bfeb261dac684fed7618f456b800638105bf06797e1543d557c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9735aa9ebb5d64e296f2f104afd79c5fda9aba790ab1e0b41128df44e9827caf
[INFO] running `Command { std: "docker" "start" "-a" "9735aa9ebb5d64e296f2f104afd79c5fda9aba790ab1e0b41128df44e9827caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-vs-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0507]: cannot move out of a mutable reference
[INFO] [stdout]   --> examples/error.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | /             self.reader
[INFO] [stdout] 23 | |                 .by_ref()
[INFO] [stdout]    | |_________________________^ move occurs because value has type `R`, which does not implement the `Copy` trait
[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 E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-vs-me` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9735aa9ebb5d64e296f2f104afd79c5fda9aba790ab1e0b41128df44e9827caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9735aa9ebb5d64e296f2f104afd79c5fda9aba790ab1e0b41128df44e9827caf", kill_on_drop: false }`
[INFO] [stdout] 9735aa9ebb5d64e296f2f104afd79c5fda9aba790ab1e0b41128df44e9827caf