[INFO] updating cached repository https://github.com/lachlansneff/forge
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ea06f25c19c62313ed28b10e94bc5c47bd2d5ea
[INFO] checking lachlansneff/forge against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fforge" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lachlansneff/forge on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lachlansneff/forge
[INFO] finished tweaking git repo https://github.com/lachlansneff/forge
[INFO] tweaked toml for git repo https://github.com/lachlansneff/forge written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lachlansneff/forge already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88f0b3e9024150b1998b553d647bd55e55b93a72f513d68f1157a2cef505a22d
[INFO] running `"docker" "start" "-a" "88f0b3e9024150b1998b553d647bd55e55b93a72f513d68f1157a2cef505a22d"`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]     Checking rustc_version v0.2.1
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking forge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/log.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/log.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/log.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn success(s: &str) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn warn(s: &str) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cargo`
[INFO] [stderr]   --> src/cargo.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Cargo,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verbose`
[INFO] [stderr]   --> src/cli.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn version(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/log.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/log.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/log.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn success(s: &str) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn warn(s: &str) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cargo`
[INFO] [stderr]   --> src/cargo.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Cargo,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verbose`
[INFO] [stderr]   --> src/cli.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn version(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `"docker" "inspect" "88f0b3e9024150b1998b553d647bd55e55b93a72f513d68f1157a2cef505a22d"`
[INFO] running `"docker" "rm" "-f" "88f0b3e9024150b1998b553d647bd55e55b93a72f513d68f1157a2cef505a22d"`
[INFO] [stdout] 88f0b3e9024150b1998b553d647bd55e55b93a72f513d68f1157a2cef505a22d