[INFO] updating cached repository https://github.com/meepoSenpai/trebuchet-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 542b57b2dabd8bdf5e3eed46a726cfb2be3fd4db
[INFO] checking meepoSenpai/trebuchet-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FmeepoSenpai%2Ftrebuchet-rs" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meepoSenpai/trebuchet-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/meepoSenpai/trebuchet-rs
[INFO] finished tweaking git repo https://github.com/meepoSenpai/trebuchet-rs
[INFO] tweaked toml for git repo https://github.com/meepoSenpai/trebuchet-rs written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/meepoSenpai/trebuchet-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 299c173622772d9057e8d0cdc14397204ffc7025cbd0c2606f5375b2433af373
[INFO] running `"docker" "start" "-a" "299c173622772d9057e8d0cdc14397204ffc7025cbd0c2606f5375b2433af373"`
[INFO] [stderr]    Compiling openssl v0.9.14
[INFO] [stderr]    Compiling openssl-sys v0.9.14
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking serde_urlencoded v0.4.3
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking ddg v0.3.0
[INFO] [stderr]     Checking trebuchet-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/launch.rs:5:49
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn launch_app(path: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/launch.rs:13:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_search.rs:21:69
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn search_for_file<'a>(search: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/launch.rs:5:49
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn launch_app(path: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/launch.rs:13:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_search.rs:21:69
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn search_for_file<'a>(search: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/web_search.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 | ...                   let mut counter = &mut counter;
[INFO] [stderr]    |                           ----^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_launch`
[INFO] [stderr]   --> src/launch.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/web_search.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 | ...                   let mut counter = &mut counter;
[INFO] [stderr]    |                           ----^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_launch`
[INFO] [stderr]   --> src/launch.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `"docker" "inspect" "299c173622772d9057e8d0cdc14397204ffc7025cbd0c2606f5375b2433af373"`
[INFO] running `"docker" "rm" "-f" "299c173622772d9057e8d0cdc14397204ffc7025cbd0c2606f5375b2433af373"`
[INFO] [stdout] 299c173622772d9057e8d0cdc14397204ffc7025cbd0c2606f5375b2433af373