[INFO] cloning repository https://github.com/rd3v/rust-fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rd3v/rust-fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frd3v%2Frust-fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frd3v%2Frust-fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db477bad7be0c06077f44d77515ec867166eef00
[INFO] testing rd3v/rust-fundamentals against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frd3v%2Frust-fundamentals" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rd3v/rust-fundamentals on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rd3v/rust-fundamentals
[INFO] finished tweaking git repo https://github.com/rd3v/rust-fundamentals
[INFO] tweaked toml for git repo https://github.com/rd3v/rust-fundamentals written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/rd3v/rust-fundamentals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded ferris-says v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac24a1473d20be14d8f957880df2baa1d19ceed221d023c7d13e4c4e4107dd81
[INFO] running `Command { std: "docker" "start" "-a" "ac24a1473d20be14d8f957880df2baa1d19ceed221d023c7d13e4c4e4107dd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac24a1473d20be14d8f957880df2baa1d19ceed221d023c7d13e4c4e4107dd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac24a1473d20be14d8f957880df2baa1d19ceed221d023c7d13e4c4e4107dd81", kill_on_drop: false }`
[INFO] [stdout] ac24a1473d20be14d8f957880df2baa1d19ceed221d023c7d13e4c4e4107dd81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1295e74a0a7287516f39115ffed7af02745903e076f75b02a5457fff5bcfa4
[INFO] running `Command { std: "docker" "start" "-a" "cd1295e74a0a7287516f39115ffed7af02745903e076f75b02a5457fff5bcfa4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.2
[INFO] [stderr]    Compiling fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let out = ""
[INFO] [stdout]   |                 ^ help: add `;` here
[INFO] [stdout] 7 | }
[INFO] [stdout]   | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ferris_says::say`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ferris_says::say;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{stdout, BufWriter};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fundamentals` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cd1295e74a0a7287516f39115ffed7af02745903e076f75b02a5457fff5bcfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1295e74a0a7287516f39115ffed7af02745903e076f75b02a5457fff5bcfa4", kill_on_drop: false }`
[INFO] [stdout] cd1295e74a0a7287516f39115ffed7af02745903e076f75b02a5457fff5bcfa4
