[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] checking rd3v/rust-fundamentals against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frd3v%2Frust-fundamentals" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rd3v/rust-fundamentals on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] d84967d90aee68ac8873fca94e7d982d45e98ecd4e28dd6d659657599d2b6ddc
[INFO] running `Command { std: "docker" "start" "-a" "d84967d90aee68ac8873fca94e7d982d45e98ecd4e28dd6d659657599d2b6ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d84967d90aee68ac8873fca94e7d982d45e98ecd4e28dd6d659657599d2b6ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84967d90aee68ac8873fca94e7d982d45e98ecd4e28dd6d659657599d2b6ddc", kill_on_drop: false }`
[INFO] [stdout] d84967d90aee68ac8873fca94e7d982d45e98ecd4e28dd6d659657599d2b6ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 9a659e2fabab2cf0926e8c4f133ecf925ae56973406709fe509f8f616fc9a9c6
[INFO] running `Command { std: "docker" "start" "-a" "9a659e2fabab2cf0926e8c4f133ecf925ae56973406709fe509f8f616fc9a9c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.2
[INFO] [stderr]     Checking 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] 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] 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] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fundamentals`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9a659e2fabab2cf0926e8c4f133ecf925ae56973406709fe509f8f616fc9a9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a659e2fabab2cf0926e8c4f133ecf925ae56973406709fe509f8f616fc9a9c6", kill_on_drop: false }`
[INFO] [stdout] 9a659e2fabab2cf0926e8c4f133ecf925ae56973406709fe509f8f616fc9a9c6