[INFO] cloning repository https://github.com/cis198-2016f/shell-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cis198-2016f/shell-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis198-2016f%2Fshell-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis198-2016f%2Fshell-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e19147715ee3e1df4be8701dfcb0e7cc34eb51d
[INFO] checking cis198-2016f/shell-workshop/8e19147715ee3e1df4be8701dfcb0e7cc34eb51d against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis198-2016f%2Fshell-workshop" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cis198-2016f/shell-workshop on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cis198-2016f/shell-workshop
[INFO] finished tweaking git repo https://github.com/cis198-2016f/shell-workshop
[INFO] tweaked toml for git repo https://github.com/cis198-2016f/shell-workshop written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cis198-2016f/shell-workshop 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9cf11f0644deb3ac007fab7d842177b4c8325909066fe4a984a38319afc4117
[INFO] running `Command { std: "docker" "start" "-a" "c9cf11f0644deb3ac007fab7d842177b4c8325909066fe4a984a38319afc4117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cf11f0644deb3ac007fab7d842177b4c8325909066fe4a984a38319afc4117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cf11f0644deb3ac007fab7d842177b4c8325909066fe4a984a38319afc4117", kill_on_drop: false }`
[INFO] [stdout] c9cf11f0644deb3ac007fab7d842177b4c8325909066fe4a984a38319afc4117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd2db2b5de97f188f7c511299603cb55cdd368f1ca1ad1080ac484b5560beaa
[INFO] running `Command { std: "docker" "start" "-a" "ccd2db2b5de97f188f7c511299603cb55cdd368f1ca1ad1080ac484b5560beaa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking shell-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `write_flush` in this scope
[INFO] [stdout]   --> src/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 8  | fn print_flush(text: &str) -> io::Result<()>{
[INFO] [stdout]    | -------------------------------------------- similarly named function `print_flush` defined here
[INFO] [stdout] ...
[INFO] [stdout] 23 |         try!(write_flush("eggs> "));
[INFO] [stdout]    |              ^^^^^^^^^^^ help: a function with a similar name exists: `print_flush`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_flush` in this scope
[INFO] [stdout]   --> src/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 8  | fn print_flush(text: &str) -> io::Result<()>{
[INFO] [stdout]    | -------------------------------------------- similarly named function `print_flush` defined here
[INFO] [stdout] ...
[INFO] [stdout] 23 |         try!(write_flush("eggs> "));
[INFO] [stdout]    |              ^^^^^^^^^^^ help: a function with a similar name exists: `print_flush`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell-workshop` (bin "shell-workshop") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shell-workshop` (bin "shell-workshop" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ccd2db2b5de97f188f7c511299603cb55cdd368f1ca1ad1080ac484b5560beaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd2db2b5de97f188f7c511299603cb55cdd368f1ca1ad1080ac484b5560beaa", kill_on_drop: false }`
[INFO] [stdout] ccd2db2b5de97f188f7c511299603cb55cdd368f1ca1ad1080ac484b5560beaa