[INFO] cloning repository https://github.com/mickjohn/friendly_file_server_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mickjohn/friendly_file_server_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Ffriendly_file_server_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Ffriendly_file_server_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e3c484dff43a69d08e930a982b29c5fb7c4035
[INFO] checking mickjohn/friendly_file_server_rust against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Ffriendly_file_server_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mickjohn/friendly_file_server_rust on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mickjohn/friendly_file_server_rust
[INFO] finished tweaking git repo https://github.com/mickjohn/friendly_file_server_rust
[INFO] tweaked toml for git repo https://github.com/mickjohn/friendly_file_server_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mickjohn/friendly_file_server_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] f595ad3b120a06d409d3ff6695ebb418f23ea1485bdf8c09febbfd2099c46d26
[INFO] running `Command { std: "docker" "start" "-a" "f595ad3b120a06d409d3ff6695ebb418f23ea1485bdf8c09febbfd2099c46d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f595ad3b120a06d409d3ff6695ebb418f23ea1485bdf8c09febbfd2099c46d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f595ad3b120a06d409d3ff6695ebb418f23ea1485bdf8c09febbfd2099c46d26", kill_on_drop: false }`
[INFO] [stdout] f595ad3b120a06d409d3ff6695ebb418f23ea1485bdf8c09febbfd2099c46d26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd597143a1a2a59c2c1b5393f1c58ab3c653aba35b177c5de59028dcb6202af4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd597143a1a2a59c2c1b5393f1c58ab3c653aba35b177c5de59028dcb6202af4", kill_on_drop: false }`
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[INFO] [stderr]     Checking friendly_file_server_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `ADMIN_NAME`
[INFO] [stdout]   --> src/webserver/filters.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ADMIN_NAME: &'static str = "admin";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `admin`
[INFO] [stdout]    --> src/webserver/filters.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn admin(users: UserMap) -> impl Filter<Extract = (Authenticated,), Error = warp::Rejection> + Clone {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADMIN_NAME`
[INFO] [stdout]   --> src/webserver/filters.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ADMIN_NAME: &'static str = "admin";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `admin`
[INFO] [stdout]    --> src/webserver/filters.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn admin(users: UserMap) -> impl Filter<Extract = (Authenticated,), Error = warp::Rejection> + Clone {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "dd597143a1a2a59c2c1b5393f1c58ab3c653aba35b177c5de59028dcb6202af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd597143a1a2a59c2c1b5393f1c58ab3c653aba35b177c5de59028dcb6202af4", kill_on_drop: false }`
[INFO] [stdout] dd597143a1a2a59c2c1b5393f1c58ab3c653aba35b177c5de59028dcb6202af4