[INFO] cloning repository https://github.com/Francososa/grep-baby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Francososa/grep-baby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancososa%2Fgrep-baby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancososa%2Fgrep-baby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45799ec2c0f05909a13056f4a223f4e5ce03ec25
[INFO] testing Francososa/grep-baby against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancososa%2Fgrep-baby" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Francososa/grep-baby on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Francososa/grep-baby
[INFO] finished tweaking git repo https://github.com/Francososa/grep-baby
[INFO] tweaked toml for git repo https://github.com/Francososa/grep-baby written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Francososa/grep-baby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03c4e90e221a4371b9460cec84f6b5440af798c1983ce3247c0f18a609b9363
[INFO] running `Command { std: "docker" "start" "-a" "c03c4e90e221a4371b9460cec84f6b5440af798c1983ce3247c0f18a609b9363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03c4e90e221a4371b9460cec84f6b5440af798c1983ce3247c0f18a609b9363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03c4e90e221a4371b9460cec84f6b5440af798c1983ce3247c0f18a609b9363", kill_on_drop: false }`
[INFO] [stdout] c03c4e90e221a4371b9460cec84f6b5440af798c1983ce3247c0f18a609b9363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29b7783cf96cf89bd861dcd9012bce944234e7606327a0913712f5803861600
[INFO] running `Command { std: "docker" "start" "-a" "c29b7783cf96cf89bd861dcd9012bce944234e7606327a0913712f5803861600", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling grep-baby v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let stdin = io::stdin();
[INFO] [stdout]    |                     ^^ use of undeclared crate or module `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grep-baby` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c29b7783cf96cf89bd861dcd9012bce944234e7606327a0913712f5803861600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29b7783cf96cf89bd861dcd9012bce944234e7606327a0913712f5803861600", kill_on_drop: false }`
[INFO] [stdout] c29b7783cf96cf89bd861dcd9012bce944234e7606327a0913712f5803861600