[INFO] cloning repository https://github.com/BlockProject3D/fpkg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlockProject3D/fpkg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockProject3D%2Ffpkg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockProject3D%2Ffpkg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4831b0ce0aeb1c245ecc5d3091507481fd8346d0
[INFO] checking BlockProject3D/fpkg against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockProject3D%2Ffpkg" "/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/BlockProject3D/fpkg on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlockProject3D/fpkg
[INFO] finished tweaking git repo https://github.com/BlockProject3D/fpkg
[INFO] tweaked toml for git repo https://github.com/BlockProject3D/fpkg written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BlockProject3D/fpkg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] [stderr]   Downloaded lua52-sys v0.1.2
[INFO] [stderr]   Downloaded hlua v0.3.1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] f2cd946577ce4e72b5dae18dd70681dd8b01b89dcdf76cb5c4507a89d4ea57f1
[INFO] running `Command { std: "docker" "start" "-a" "f2cd946577ce4e72b5dae18dd70681dd8b01b89dcdf76cb5c4507a89d4ea57f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2cd946577ce4e72b5dae18dd70681dd8b01b89dcdf76cb5c4507a89d4ea57f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cd946577ce4e72b5dae18dd70681dd8b01b89dcdf76cb5c4507a89d4ea57f1", kill_on_drop: false }`
[INFO] [stdout] f2cd946577ce4e72b5dae18dd70681dd8b01b89dcdf76cb5c4507a89d4ea57f1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e19c322b2848aa60f844a7ce4bd465cdc358376a61bb1532b447598b908eeb1
[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" "1e19c322b2848aa60f844a7ce4bd465cdc358376a61bb1532b447598b908eeb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking hlua v0.3.1
[INFO] [stderr]     Checking fpkg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lualoader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut v: Vec<Command> = Vec::new();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generic`
[INFO] [stdout]   --> src/builder.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Generic(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bash`
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Bash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PowerShell`
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PowerShell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cmd`
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Cmd,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PlatformIndependent`
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PlatformIndependent
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/command.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(s: &str, shell: Shell) -> Command
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/profile.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn get(&self, name: &str) -> Option<&String>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lualoader.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut v: Vec<Command> = Vec::new();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Generic`
[INFO] [stdout]   --> src/builder.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Generic(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bash`
[INFO] [stdout]  --> src/command.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Bash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PowerShell`
[INFO] [stdout]  --> src/command.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     PowerShell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cmd`
[INFO] [stdout]  --> src/command.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Cmd,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PlatformIndependent`
[INFO] [stdout]  --> src/command.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PlatformIndependent
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/command.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(s: &str, shell: Shell) -> Command
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/profile.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn get(&self, name: &str) -> Option<&String>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
[INFO] running `Command { std: "docker" "inspect" "1e19c322b2848aa60f844a7ce4bd465cdc358376a61bb1532b447598b908eeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e19c322b2848aa60f844a7ce4bd465cdc358376a61bb1532b447598b908eeb1", kill_on_drop: false }`
[INFO] [stdout] 1e19c322b2848aa60f844a7ce4bd465cdc358376a61bb1532b447598b908eeb1