[INFO] updating cached repository https://github.com/LuttaMustache/ifap
[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] 43721ef5835ea451f06de045cf0b304b947f27b6
[INFO] checking LuttaMustache/ifap against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuttaMustache%2Fifap" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LuttaMustache/ifap on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LuttaMustache/ifap
[INFO] finished tweaking git repo https://github.com/LuttaMustache/ifap
[INFO] tweaked toml for git repo https://github.com/LuttaMustache/ifap written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LuttaMustache/ifap already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] f3ef419e1580dd1b2a46f3fcbcc120ffb435d6d9dab8a706215892a5940fb0cc
[INFO] running `"docker" "start" "-a" "f3ef419e1580dd1b2a46f3fcbcc120ffb435d6d9dab8a706215892a5940fb0cc"`
[INFO] [stderr]     Checking manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/commands/save.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/commands/save.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `librarian::get_project_dir`
[INFO] [stderr]  --> src/commands/open.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use librarian::get_project_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/commands/save.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/commands/save.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `librarian::get_project_dir`
[INFO] [stderr]  --> src/commands/open.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use librarian::get_project_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `project_name`
[INFO] [stderr]  --> src/commands/open.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     project_name : String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gold`
[INFO] [stderr]  --> src/gold/mod.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Gold {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gold/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(path: String) -> Gold {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]   --> src/gold/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn run(&self) -> Result<(), error::ShellError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gold/mod.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     io::stdout().flush();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `project_name`
[INFO] [stderr]  --> src/commands/open.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     project_name : String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gold`
[INFO] [stderr]  --> src/gold/mod.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Gold {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gold/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(path: String) -> Gold {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]   --> src/gold/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn run(&self) -> Result<(), error::ShellError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gold/mod.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     io::stdout().flush();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "f3ef419e1580dd1b2a46f3fcbcc120ffb435d6d9dab8a706215892a5940fb0cc"`
[INFO] running `"docker" "rm" "-f" "f3ef419e1580dd1b2a46f3fcbcc120ffb435d6d9dab8a706215892a5940fb0cc"`
[INFO] [stdout] f3ef419e1580dd1b2a46f3fcbcc120ffb435d6d9dab8a706215892a5940fb0cc