[INFO] cloning repository https://github.com/samuelselleck/unsafe_adventures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelselleck/unsafe_adventures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelselleck%2Funsafe_adventures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelselleck%2Funsafe_adventures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c475e9f80db37810a4d3fa2908c456b42c51bba
[INFO] checking samuelselleck/unsafe_adventures against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelselleck%2Funsafe_adventures" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samuelselleck/unsafe_adventures
[INFO] finished tweaking git repo https://github.com/samuelselleck/unsafe_adventures
[INFO] tweaked toml for git repo https://github.com/samuelselleck/unsafe_adventures written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samuelselleck/unsafe_adventures on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samuelselleck/unsafe_adventures 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02ee58d096a3988609c97b1a54bc0d7d94ec349fd1bc1b0310ec155726e84bc
[INFO] running `Command { std: "docker" "start" "-a" "a02ee58d096a3988609c97b1a54bc0d7d94ec349fd1bc1b0310ec155726e84bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02ee58d096a3988609c97b1a54bc0d7d94ec349fd1bc1b0310ec155726e84bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02ee58d096a3988609c97b1a54bc0d7d94ec349fd1bc1b0310ec155726e84bc", kill_on_drop: false }`
[INFO] [stdout] a02ee58d096a3988609c97b1a54bc0d7d94ec349fd1bc1b0310ec155726e84bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1e31dc1ac35dc1598d09314ddc8367125fca60780d6fd3dc675afeb76796e6
[INFO] running `Command { std: "docker" "start" "-a" "2f1e31dc1ac35dc1598d09314ddc8367125fca60780d6fd3dc675afeb76796e6", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe_adventures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `rc` and `tree`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use unsafe_adventures::{rc, tree};
[INFO] [stdout]   |                         ^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `rc` and `tree`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use unsafe_adventures::{rc, tree};
[INFO] [stdout]   |                         ^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `weak_count` is never used
[INFO] [stdout]   --> src/rc.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> Weak<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn weak_count(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2f1e31dc1ac35dc1598d09314ddc8367125fca60780d6fd3dc675afeb76796e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1e31dc1ac35dc1598d09314ddc8367125fca60780d6fd3dc675afeb76796e6", kill_on_drop: false }`
[INFO] [stdout] 2f1e31dc1ac35dc1598d09314ddc8367125fca60780d6fd3dc675afeb76796e6