[INFO] cloning repository https://github.com/xerxesnoPT/Rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xerxesnoPT/Rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d101a664f7af1b49a9ab908cd5020cf343240525
[INFO] checking xerxesnoPT/Rust_study against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxerxesnoPT%2FRust_study" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xerxesnoPT/Rust_study on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xerxesnoPT/Rust_study
[INFO] finished tweaking git repo https://github.com/xerxesnoPT/Rust_study
[INFO] tweaked toml for git repo https://github.com/xerxesnoPT/Rust_study written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/xerxesnoPT/Rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88c6f40c4cce4dae08d3504a1a22cb490f798739a9b6c357857caa784a61ac3a
[INFO] running `Command { std: "docker" "start" "-a" "88c6f40c4cce4dae08d3504a1a22cb490f798739a9b6c357857caa784a61ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c6f40c4cce4dae08d3504a1a22cb490f798739a9b6c357857caa784a61ac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c6f40c4cce4dae08d3504a1a22cb490f798739a9b6c357857caa784a61ac3a", kill_on_drop: false }`
[INFO] [stdout] 88c6f40c4cce4dae08d3504a1a22cb490f798739a9b6c357857caa784a61ac3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19aa5afbb11cb236a88c0b662ea088dec016ee91203e2be137918ffda07bce05
[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" "19aa5afbb11cb236a88c0b662ea088dec016ee91203e2be137918ffda07bce05", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0762]: unterminated character literal
[INFO] [stdout]   --> src/main.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     hello.push_str('orld!');
[INFO] [stdout]    |                          ^^^
[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 E0762`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_cargo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0762]: unterminated character literal
[INFO] [stdout]   --> src/main.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     hello.push_str('orld!');
[INFO] [stdout]    |                          ^^^
[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 E0762`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "19aa5afbb11cb236a88c0b662ea088dec016ee91203e2be137918ffda07bce05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19aa5afbb11cb236a88c0b662ea088dec016ee91203e2be137918ffda07bce05", kill_on_drop: false }`
[INFO] [stdout] 19aa5afbb11cb236a88c0b662ea088dec016ee91203e2be137918ffda07bce05