[INFO] cloning repository https://github.com/ZachBaird/RustCrashCourse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZachBaird/RustCrashCourse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZachBaird%2FRustCrashCourse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZachBaird%2FRustCrashCourse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3db95120a4ab338eb7ef9ac9b0d752046ab6ab6
[INFO] checking ZachBaird/RustCrashCourse against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZachBaird%2FRustCrashCourse" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZachBaird/RustCrashCourse on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZachBaird/RustCrashCourse
[INFO] finished tweaking git repo https://github.com/ZachBaird/RustCrashCourse
[INFO] tweaked toml for git repo https://github.com/ZachBaird/RustCrashCourse written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ZachBaird/RustCrashCourse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 741b461c0918afab2d111ebdf532a2a25324030ad7d1d85f00895a8ab4d5c2cd
[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" "741b461c0918afab2d111ebdf532a2a25324030ad7d1d85f00895a8ab4d5c2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "741b461c0918afab2d111ebdf532a2a25324030ad7d1d85f00895a8ab4d5c2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741b461c0918afab2d111ebdf532a2a25324030ad7d1d85f00895a8ab4d5c2cd", kill_on_drop: false }`
[INFO] [stdout] 741b461c0918afab2d111ebdf532a2a25324030ad7d1d85f00895a8ab4d5c2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a760b4f90532cbfde39bcdbad46920d9897d543ca2a57bc666d211d31694bf9a
[INFO] running `Command { std: "docker" "start" "-a" "a760b4f90532cbfde39bcdbad46920d9897d543ca2a57bc666d211d31694bf9a", kill_on_drop: false }`
[INFO] [stderr]     Checking crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `p` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/structs.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |   let p = Person::new("Zach", "Baird");
[INFO] [stdout]    |       - help: consider changing this to be mutable: `mut p`
[INFO] [stdout] ...
[INFO] [stdout] 52 |   p.set_last_name("Doe");
[INFO] [stdout]    |   ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `p` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/structs.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |   let p = Person::new("Zach", "Baird");
[INFO] [stdout]    |       - help: consider changing this to be mutable: `mut p`
[INFO] [stdout] ...
[INFO] [stdout] 52 |   p.set_last_name("Doe");
[INFO] [stdout]    |   ^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crash_course`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a760b4f90532cbfde39bcdbad46920d9897d543ca2a57bc666d211d31694bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a760b4f90532cbfde39bcdbad46920d9897d543ca2a57bc666d211d31694bf9a", kill_on_drop: false }`
[INFO] [stdout] a760b4f90532cbfde39bcdbad46920d9897d543ca2a57bc666d211d31694bf9a